Ipsat Manual

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Notice

This publication and its contents are proprietary to Radyne ComStream, Inc. and are intended solely for the contractual use of itscustomers for no other purpose than to install and operate the equipment described herein. This publication and its contents shall not

be used or distributed for any other purpose and/or otherwise communicated, disclosed, or reproduced, in any way whatsoever,without prior written consent of ComStream.

Only experienced personnel should install and/or operate this equipment. Prior to installing or operating any equipment or partsthereof, personnel must carefully read and understand all of the contents of this publication. To properly install and operate thisequipment and/or all parts thereof, personnel must strictly and explicitly follow all of the instructions in this publication.

FAILURE TO COMPLETELY READ AND FULLY UNDERSTAND AND FOLLOW ALL OF THE CONTENTS OF THIS

PUBLICATION PRIOR TO INSTALLING AND/OR OPERATING THIS EQUIPMENT, OR PARTS THEREOF, MAY

RESULT IN INJURY TO PERSONNEL AND/OR DAMAGE TO THE EQUIPMENT, OR PARTS THEREOF.

Radyne ComStream does not assume any liability arising out of the application or use of any products, component parts, circuits,software, or firmware described herein. Radyne ComStream further does not convey any license under its patent, trademark,copyright, or common- law rights nor the similar rights of others. Radyne ComStream further reserves the right to make any changesin any products, or parts thereof, described herein without notice.2001-2002 Radyne ComStream, Inc. All rights reserved.

Radyne ComStream is a registered trademark. Other brand and product names mentioned herein may be trademarks or registeredtrademarks of their respective owners.

Contents are provided with Restricted Rights. Use, duplication, or disclosure by the government is subject to restrictions as set forth insubparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software [OCT. 1988] clause at DFARS 252.227-7013 andsubparagraphs (a) through (d) of the Commercial Computer Software-Restricted Rights [JUNE 1987] clause at FAR 52.227-19, asapplicable. Manufacturer is Radyne ComStream, Inc., 6340 Sequence Drive, San Diego, CA 92121 USA.

Contents of this manual are provided as is without warranty of any kind, either expressed or implied, including, but not limited to, theimplied warranties of merchantability, fitness for a particular purpose, and non-infringement.

Content could include technical inaccuracies or typographical errors. Changes are incorporated in new editions of this manual. RadyneComStream may make improvements and / or changes in the product(s) and / or the program(s) described in this manual at any timewithout notice.

In no event will Radyne ComStream be liable for direct, indirect, special, incidental, economic, cover, or consequential damages

arising out of the use or inability to use the contents even if advised of the possibility of such damages. Some jurisdictions do notallow the exclusion or limitation of implied warranties, or the limitation of liability for incidental or consequential damages, so theabove limitation or exclusion may not apply to you. For further information on legal and intellectual property matters, contact RadyneComStream.

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in acommercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used inaccordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in aresidential area is likely to cause harmful interference in which case the user will be required to correct the interference at his ownexpense.

WARNING! Electric Shock HazardDo Not Open The Equipment!Service Only by Radyne ComStream, Inc.

Gefhrliche Spannung!ffuen des Gertes und Service nur dur Radyne ComStream, Inc.The IPSat contains no user-serviceable parts. Do not attempt to service this product yourself. Any attempt to doso will invalidate any and all warranties.

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Table of Contents:

Notice.......................................................................................................................................... 1Preface........................................................................................................................................ 4

Using This Guide:...................................................................................................... 4

Revision History........................................................................................................ 6Customer Service....................................................................................................... 6Product Shipments..................................................................................................... 7Warranty Statement ................................................................................................... 8Return Procedure ....................................................................................................... 9Other Radyne ComStream Products........................................................................ 10Safety Precautions ................................................................................................... 11

Overview .................................................................................................................................. 16System Overview..................................................................................................... 16IPSat Overview........................................................................................................ 18

Installation ............................................................................................................................... 20Placement................................................................................................................. 20

Required Cables....................................................................................................... 20Powering On The IPSat ........................................................................................... 24Basic Configuration................................................................................................. 24Rear Panel Connections........................................................................................... 28

FrontPanelOperation............................................................................................................ 32Front Panel Components.......................................................................................... 32IPSat Menu Structure............................................................................................... 34Navigating through the Menus ................................................................................ 35Front Panel Navigation Buttons............................................................................... 37Entering Commands From the Front Panel ............................................................. 38Entering Commands Using the Terminal Emulator ................................................ 39TX Enable Button.................................................................................................... 40

Front Panel Menu Descriptions ............................................................................... 40Front Panel Lockout ................................................................................................ 49IPSatConsoleDesign .............................................................................................................. 50

IPSat Menu Tree...................................................................................................... 50IPSat Console Parameters........................................................................................ 51

FaultsandMaintenance ......................................................................................................... 64Fault and Status Indicators....................................................................................... 64Rear Panel LED Indicators ...................................................................................... 65Fault Reporting........................................................................................................ 65Maintenance............................................................................................................. 67

AppendixA .............................................................................................................................. 68Technical Specifications.......................................................................................... 68

AppendixB .............................................................................................................................. 71Cable Specifications ................................................................................................ 71Overview ................................................................................................................. 71IFL F- and N Connectors......................................................................................... 72Optional Power Detector Cable ............................................................................... 77

AppendixC .............................................................................................................................. 79Outdoor Unit Recommendations ............................................................................. 79

Index......................................................................................................................................... 80

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Preface

Using This Guide:

This guide is your sourcebook for using the IPSat Satellite Terminal

and describes the installation, operation, and configuration for thisproduct. An overview of system and product level requirements,technical specifications, and troubleshooting procedures are alsoprovided.

This guide is designed to help you find information quickly and easily.To take full advantage of this design, please take a moment to reviewthe specific formats.

Important Information

Throughout this guide you will find icons designed to help you identifyimportant information. These icons are:

This hazard icon identifies the possibility of electric shock when youperform an operation with the IPSat or if you do not use the IPSataccording to instructions.

The caution icon identifies information that requires careful attentionin order to prevent equipment damage and/or injury to the operator.

The note icon identifies information for the proper operation of yourequipment, including helpful hints, shortcuts, or important reminders.

Illustrations

Some illustrations contained in this guide may differ slightly fromthose shown on your front panel display, rear panel, or remote terminaldue to variations in your setup, configuration, or customization.

Figures depicting equipment may differ from those at your site:therefore, refer to the labeling on your Radyne ComStream equipmentto identify the components. An effort has been made to use illustrationsthat reflect basic equipment and configurations of the majority ofcustomers.

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Revision History

This guide is periodically updated and revised. For documentationupdates, call Customer Service.

Revision Date Type of Revision

A Dec 01 Initial releaseB Jan 02 Recommended the use of Ethernet

Switch on the IPSat Ethernet interface.

C Oct 03 Rewrite

Customer Service

We hope this guide provides all the information and instructions youneed to operate the IPSat. However, if you need assistance, contactRadyne ComStream Customer Service at our corporate office located

in the United States, through any of the following:

Phone (858) 458-1800 Monday-Friday

7:30 a.m. 6:00 p.m. pacific standard time

Fax (858) 657-5455

After-hours emergency Customer Service Paging (858) 458-1800option 5. Leave a detailed voice message and your call will bereturned.

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Product Shipments

Please verify that your company name and address are correct on thepacking slip that is included with your equipment. Notify RadyneComStream Customer Service if any of the information is incorrect.

Ensure that you write down the following numbers and include them in

any correspondence with Radyne ComStream concerning your order:

Purchase order

Model

Reference line

Sales order

Errors

If any part of your shipment is missing or incorrect, call RadyneComStream Customer Service.

Cartons and Packing Materials

The factory shipping carton and packing materials are designed toprotect the equipment from excessive shock and vibration that canoccur during shipping.

Use the original shipping carton and packing materials to repack theunit for shipment to another location or to return the unit toComStream for repair.

For additional information on equipment repacking, refer to theWarranty booklet that accompanied the product shipment.

LCD Display

When you receive your IPSat, the LCD display may be covered with aplastic protective covering. To remove the protective covering, gentlylift one of the corners and peel off the covering.

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Warranty Statement

Radyne ComStream warrants that its products are free from defects inmaterial and workmanship at the time of shipment and that theyconform to applicable specifications. In no event will RadyneComStream be liable for consequential misuse or damages.

The Radyne ComStream IPSat is warranted against any above-mentioned defects that may occur within two years of the shippingdate.

Should it be necessary to make a claim against this warranty, the buyershall first notify Radyne ComStream Customer Service to define thenature of the problem. When returning products, please be aware of thefollowing:

Products returned to Radyne ComStream, whether for upgrade,warranted or out-of-warranty repair work, or maintenance,

must comply with the ComStream Return Procedure. Products shall be forwarded to Radyne ComStream,

transportation prepaid.

Products returned to ComStream freight collect or without areturn material authorization number will not be accepted.

Radyne ComStream shall not accept any responsibility forreturned products that are improperly packaged and/ordamaged in shipment. If possible, please use original shippingand packaging materials.

Original product identification markings and labels must nothave been removed, defaced, or altered. Further, to preserve

the warranty the product should not be subjected to abuse,improper installation or application, alteration, accident, ornegligence in use, storage, transportation, or handling.

Any returned product shall be completely evaluated in an attempt toduplicate the problem so that appropriate corrective action and repairmay be completed. Following repair, the product shall be thoroughlytested for compliance with appropriate specifications. This process willbe handled promptly but may be subject to available labor and materialresources.

The Radyne ComStream warranty, as stated herein, is in lieu of allother warranties, expressed, implied, or statutory.

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Return Procedure

If it is necessary to return a product for out-of-warranty repair,upgrade, or any modification, the following procedures must befollowed:

Contact ComStream Customer Service, located in the United States, byphone or fax, at:

Phone (858) 458-1800

Fax (858) 657-5455

Speak to a ComStream Customer Service representative about anyquestions, issues, or problems. Quite often equipment problems can becorrected over the phone, which keeps your equipment in service andavoids unnecessary and costly downtime.

Should it be necessary to return a product to ComStream for anyreason, the ComStream Customer Service representative will issue you

a return material authorization (RMA) number. To issue an RMAnumber, the ComStream representative will need the product serialnumber and model number.

You may be returning a product for either: repair, upgrade, ormodification. If you are returning the product for:

Repair Include a complete description of the problem, the operatingconditions that caused the problem, and any circumstances that mayhave led to the problem. This information is essential for ComStreamrepair technicians to reproduce, diagnose, and correct the problem.

Upgrade or modification Include a complete description of the

current configuration and the desired change(s). This information willallow a ComStream Customer Service representative to provide aformal quote for the upgrade.

Include a purchase order (PO) for any upgrade or out-of-warrantyrepair work being performed. ComStream will begin repair work aftera PO is received.

Reference the RMA number on all paperwork that accompanies theequipment, and write the RMA number clearly on the outside of theshipping container.

Ship your module in the original shipping carton and packaging (or itsequivalent), prepaid to:

Radyne ComStream, Inc.6340 Sequence DriveSan Diego, CA 92121 USA

RMA Number

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Do not include product accessories such as manuals, other printedmaterial, or rack-mount brackets.

When handling or shipping static-sensitive equipment, observeantistatic procedures, and always use antistatic bags for shipment.

All equipment upgrade and repair requests will be completely

evaluated and the required work performed promptly. The equipmentwill then be thoroughly tested for compliance with appropriatespecifications.

Other Radyne ComStream Products

The ComStream Web site, found at www.radynecomstream.com,provides information about the entire line of ComStream products andsystems, including internet over satellite systems, broadcast receivers,earth stations, high-speed and DVB modems, cable and microwaveproducts, and frequency converters.

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Safety Precautions

Carefully read and follow all safety, use, and operating instructionsbefore operating the IPSat. Heed all warnings and cautions containedin this guide. Retain these instructions for future reference.

Follow Startup ProcedureDo not plug in the IPSat until you have connected the unit and read thechapter on installation.

Provide a Safe Location

Place the IPSat in a rack or on a stable surface of sufficient size andstrength, where it will not be jarred, hit, or pushed off its surface.Ensure that all cables and cords are out of the way and will not betripped over, as this could cause personal injury or serious damage tothe equipment.

Avoid Water and MoistureIf the equipment is exposed to any liquid, contact ComStream, asserious damage could occur to the IPSat or its components.

Avoid Heat, Humidity, and Dust

To avoid internal damage, the IPSat should be placed away from allheat sources, including radiators, heater ducts, and so on, out of directsunlight and away from high humidity, excessive dust, or mechanicalvibrations that can cause damage to internal parts.

Provide Adequate VentilationSlots and openings on the IPSat are provided for ventilation that isneeded to ensure reliable operation. To avoid overheating and ensurethat the ventilation slots are not blocked, place the IPSat on a smooth,hard surface that has at least two inches of clearance around the unitand adequate air circulation. If the equipment is placed in a closedarea, such as a rack, ensure that proper ventilation is provided and thatthe internal rack operating temperature does not exceed the maximumrated temperature at the position of the IPSat.

Never place the IPSat on a soft surface that would obstruct the requiredairflow into the ventilation slots

.

Use Correct Power Source

For units equipped with a North American power cord, the cord has anIEC-compatible female plug on one end, and a male plug on the otherend. This cord is UL and CSA approved up to 125 VAC at 10 A and isready to use with no user wiring required.

For units equipped with an International power cord, the cord has anIEC-compatible female plug on one end, and three stripped and tinnedbare wires on the other end. This cord is approved up to 250 VAC at

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6 A and complies with the international color codes of green/yellow(ground), blue (neutral), and brown (line).

If these color codes do not correspond to the colored markings on theterminals in the plug, use the following standards:

The green/yellow wire must be connected to the plug terminal

marked by the letter E or by the earth symbol ( ) or color-coded green and yellow.

The blue wire must be connected to the plug terminal markedwith the letter N or color-coded black.

The brown wire must be connected to the plug terminalmarked with the letter L or color-coded red.

An AC plug must be attached to the International power cord inaccordance with government standards and codes in effect at theinstallation site. If an un-terminated power cord is supplied with theunit, the appropriate certified termination plug must be installed. The

following is a list of the required certifying agencies for variouscountries

Country Agency Country Agency

Australia SAA Italy IMQ

Austria OVE Japan MITI

Belgium CEBEC Netherlands KEMA

Canada CSA New Zealand SECV, SECQ, SECWA,EANSW, ETSA, HECT

Denmark DEMKO Norway NEMKO

Finland FEI Rep. S. Africa SABSFrance UTE Spain AEE

Germany VDE Sweden SEMKO

India ISI Switzerland SEV

Ireland IIRS UnitedKingdom

ASTA, BSI

Route Power Cords Safely

Route power cords so they are not walked on or pinched. Pay

particular attention to cords and connections at the plugs, receptacles(such as power strips), and the point where they exit from the IPSatand attach to other equipment. Do not place any items on or againstpower cords.

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No Stacking

Do not place or stack any objects on top of the IPSat. Other equipmentmay be placed in a rack or on a shelf above or below the IPSat, butnever stacked directly on top of it.

Protect Against Lightning and Power SurgesWhen the IPSat is installed, have the professional installer ground theunit to protect against voltage surges and built-up static charges. Forinformation on grounding standards for electrical and radio equipment,refer to the electrical code in the country of installation.

Protect the IPSat from lightning and power-line surges during a stormby unplugging it from the wall outlet and disconnecting the coaxialcable.

Turn the IPSat Off When Changing Circuit Boards

Turn the IPSat off before installing or removing any circuit boards

from chassis slots. Possible damage may occur to modem, boards, orrelated equipment if power is left on during this procedure.

Provide Antistatic Protection

Wear a properly grounded antistatic wrist strap to prevent electrostaticdamage to components when handling circuit boards or otherelectronic modules.

Keep Objects Outside

Touching internal IPSat parts is dangerous to both you and the unit.Never put any object, including your fingers, through slots or

openings, as this could result in touching dangerous voltage points,short-circuiting parts, electric shock, or fire.

There are no user-serviceable parts inside the IPSat. If an object fallsinto the equipment, unplug the unit and contact ComStream CustomerService, as serious damage could occur to the IPSat or its components.

Use Approved Attachments Only

Use only ComStream-approved equipment with the IPSat.

Clean the IPSat

Before cleaning the IPSat, unplug it from the wall outlet. Do not useany type of abrasive pads, scouring powders, aerosol cleaners, orsolvents such as alcohol or benzene.

Use only a clean, soft cloth lightly moistened with a mild detergentsolution. Wipe all equipment with a clean, soft cloth lightly moistenedwith water to remove the detergent solution.

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Service the IPSat

Do not attempt to service the IPSat yourself, as there are no user-serviceable parts. Opening or removing covers may expose you todangerous voltages or other hazards as well as void your warranty.Contact ComStream Customer Service to obtain qualified servicepersonnel.

The following conditions indicate that the equipment needs servicing:

The power cord or plug has been damaged.

An object has fallen into the IPSat.

Liquid has been spilled into the IPSat, or it has been exposedto rain or water.

The unit has been dropped or the cover has been damaged.

The IPSat does not operate normally, or it shows a markedchange in performance.

Perform Safety Checks

Upon completion of any service or repairs to the IPSat, ask the servicetechnician to perform safety checks to verify that the unit is in safeoperating condition.

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Overview

System Overview

The typical IP over-satellite system consists of a network hub with asingle, very high-speed uplink broadcasting to numerous remote

stations, each of which includes an IPSat terminal.The IPSat Terminal is part of a satellite-based IP network that allowsremote sites high-speed communications access to and fromLAN/WAN links. The IPSat provides full two-way connectivity to thehub over a satellite channel and to a local Ethernet network through astandard 10/100Base-T interface. The hub receives inbound SCPCsatellite carriers from IPSat remote terminals through a MultipleReceive Terminal (MRT), offering up to 12 demodulators in only ninerack units of space.

The hub system is scalable from 1 to 72 Mbps outbound and cansupport virtually any number of satellite return channels. Any

combination of Internet protocol data streams, both TCP and UDP,unicast and multicast, may be carried between the hub and remotestations. ComStream can also integrate additional networkingequipment and applications based on your system requirements.

Basic Network Topology Diagram

Hub Equipment

While the networking equipment used in the hub will vary greatly withthe particular application of the network, the basic core of the systemremains the same and includes the following:

Internet Protocol Encapsulator (IP Encapsulator)

Satellite Modulator, DM-240 Multiple Receiver Terminal (MRT)

Optional Equipment

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Hub Network Functional Block Diagram

Internet Protocol Encapsulator (IPE)

The IPE receives data from the hub IP network and encapsulates thedata into a MPEG transport stream according to DVB data broadcastspecification EN 301 192.

Satellite Modulator DM-240

The DM-240 is ComStream's standard DVB-compliant satellitemodulator. Connecting to the IPE, the input interfaces include DVBSPI, ASI, M2P, and RS-422. The modulator accepts the input MPEGtransport stream and provides scrambling, FEC encoding, andmodulation of the satellite carrier channel in accordance with DVBspecification EN 300 421.

Multiple Receiver Terminal (MRT)

The MRT is a 9 rack-unit chassis housing redundant, hot-swappableAC power supplies, L-band amplifiers and distribution, and up to 12SCPC demodulators.

The chassis includes integrated cooling fans and front panel LEDsshowing status of all installed demodulators. The demodulator cardsare hot swappable and operate between 19.2 kbps to 8.448 Mbps,meeting the same performance specifications as ComStreams standardDBR2000 receiver. Each demodulator is connected to a Cisco router,which provides a standard Ethernet interface to the hub Ethernetnetwork for return channel traffic from remote stations.

Optional Equipment

Based on the system application, a network may require additional

equipment including: MPEG video and audio encoders

TCP optimization hardware

Quality of service (QoS) or traffic-shaping hardware

Basic network equipment

Application servers

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IPSat Overview

The IPSat Terminal is an integrated two-way SCPC satellite modemwith combined IP router/bridge functionality designed specifically tocarry high-speed broadband internet traffic.

IPSat Remote System Block Diagram

The IPSat Terminal is a two rack-unit chassis including a DVB-compliant demodulator, MPEG transport demux, IP stack processor,and Ethernet controller functions. Innovative design of the receive pathallows use of up to the full satellite channel bandwidth to output to theEthernet port.

IP data passed to the IPSat Ethernet port is accepted and processedbased on internal static routing tables, framed in HDLC packets, andpassed to the satellite modulator. The modulator scrambles, FECencodes, and modulates the data on an L-band IF carrier fortransmission to the satellite. Up to 64 static routes may be defined in

the IPSat.

Connecting multiple client computers through an Ethernet Hub may causedata collisions and subsequent loss of data. To resolve this potential issue,Radyne ComStream strongly recommends the use of an Ethernet Switch onthe IPSat Ethernet interface.

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Installation

This chapter provides step-by-step procedures for installing andcabling the IPSat and a description of all IPSat rear panel connectionsand required cables.

Do not remove the IPSat top cover! The IPSat is powered by an exposed,switching AC power supply which presents an electric shock hazard when thetop cover is removed. Personal injury or damage to the equipment can occurwhen the top cover is removed. None of the procedures in this manual requirethe removal of the IPSat top cover.

Before beginning your installation, read the Safety Precautions as they containimportant safety information and other instructions required to install theIPSat.

Placement

When installing the IPSat, always position the equipment to allow easyaccess to the rear panel and provide adequate ventilation.

To properly install the IPSat, follow the instructions provided in theshipping kit.

Ventilation

It is important that all installations allow adequate ventilation to theIPSat at all times. To keep the system cool and running smoothly, thepower supply-cooling fan exhausts air through grillwork openings onthe rear panel and pulls external air through the slots at the sides of theunit.

The minimum airflow clearance space is three inches at the sides of theIPSat and six inches at the rear.

Required Cables

For detailed information on cable specifications, including cablepinouts, connector drawings, and cable lengths, refer to the appendixon cable specifications.

The following cables are used to connect the IPSat Terminal:

RJ45 Cat 5 10/100 BaseT Ethernet cable, either straightthrough or crossover. This cable connects the J84 port to astandard Ethernet interface.

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Cabling the IPSat

Refer to the following diagram when cabling the IPSat. For a moredetailed description of the IPSat interconnections, refer to the RearPanel Connections Section later in this chapter.

IPSat Cabling

o connect the cables to the IPSat terminal, follow these steps:

wer right of the

3. attenuator

coaxial cable, part number 05-

l

b. ired, connect the IFL

T1. Place the IPSat AC switch in the Off position.

2. Connect the IPSat ground stud, located to the lofan on the rear panel, to the rack ground, or to another solidconnection to earth ground with heavy gauge wire.

Connect the IPSat to the upconverter. If an optionalis required, follow step 3b.

a. Connect the IFL TX0954-001, from the IPSat TX Out (J61) to the LMR400 coaxial cable. Then connect the LMR 400 coaxiacable to the upconverter input.

If an optional Attenuator is requTX coaxial cable, part number 05-0954-001, from theIPSat TX Out (J61) to the Attenuator. Then connectthe Attenuator to the upconverter input using theLMR 400 coaxial cable.

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4. Connect the IPSat to the LNB. Connect the RG-11 IFL Rxcoaxial cable from the IPSat Rx In (J64) to the LNB output.The LNB is a standard DRO or PLL type used to convert thereceived C, Ku, or Ka-band carrier to L-band. Two signals arepresent on the IFL coaxial cable:

RF carrier signal (L-band)

DC power

5. Connect the IPSat to a remote terminal. Connect the RS-232cable from the IPSat console port (J83) to a terminal or PCwith Terminal emulation software, such as HyperTerminal,installed.

6. Connect the IPSat to an Ethernet interface by doing one of thefollowing:

Connect the CAT 5 straight-through cable from theIPSat Ethernet 10/100 BaseT port (J84) to a 10/100port on a switch.

Connect the CAT 5 crossover cable to a 10/100 porton a server, PC, or TCP Optimizer.

7. Connect an external power supply to the IPSat, if required.

Ensure that the external power supply equipment isturned Off.

Connect the external power supply cable, part number05-0952-001, from the DC Power In J60 connector tothe external power supply equipment. Then connectthe external power supply equipment to an AC outletaccording to that manufacturers instructions.

8. If an optional power detector is required, connect the P1

connector of the Y-cable to the TX / Rx J63 connector. For the optional power detector, connect the P1 15-pin

connector of the power detector cable to the Y-cableP3 connector. Connect the circular plug of the powerdetector cable to the power detector on the ODU.

9. Connect the IPSat to an AC power source.

Ensure the IPSat power switch is in the Off, or 0,position.

Select an AC power cord. If an international powercord is selected, attach a connector in accordance withlocal regulations and laws.

Connect the female plug of the AC power cord to theAC power receptacle on the IPSat rear panel.

Connect the male plug of the AC power cord to anexternal AC power conditioning surge suppressor.

Connect the AC power conditioning surge suppressorto an AC outlet.

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Corrupted AC input power can interrupt IPSat operations and causepermanent damage to the unit. You should purchase and install acommercially available, external AC power conditioning surge suppressor to

protect the IPSat against power spikes and line transients.

Powering On The IPSat

Once the cabling and interconnections for the IPSat are completed, youmay power-up the unit. The IPSat power switch is a rocker switchlocated on the rear panel.

The power switch is labeled with a and an 0. The represents theOn position, while the 0 represents the Off position.

To power up the IPSat, press the power switch to the ON, or position. The power-on cycle takes approximately three to fourminutes to complete, as the unit performs extensive self-diagnostics inthis time period.

Basic Configuration Before proceeding with the configuration, obtain the basic installationinformation at the end of this chapter.

Press the Esc key. The following screen should appear:

Navigate to the Main Menu by pressing the space bar. The followingscreen should appear:

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Most of the IPSat configuration can be performed with the BasicConfiguration Menu. The parameters are defined as follows:

IP Address: Used to identify the IPSat on the network and is usuallydefined by your service provider

Subnet Mask: Used by the IPSat in conjunction with its IP address tomake forwarding decisions and is usually defined by your serviceprovider.

Default Gateway: Used in situations where one or more routers exist

on the IPSats subnet accessible through the Ethernet interface. When apacket is received from the DVB channel and the IPSat determines thatthe packet contains a destination IP address that is not on its ownsubnet, the IPSat forwards the packet to a gateway. The gateway ischosen by searching the static routes that have been defined; if nostatic route exists to handle the destination network, the packet isforwarded to the default gateway. Note: The default gateway (andstatic route) configuration only applies to forwarding decisions madeon packets received by the DVB port (demodulator or receive port),not packets received by the Ethernet port. Packet received by theEthernet port that contains an unknown destination network will beforwarded out the HDLC port (modulator or transmit port).

MPEG PID 1: When a PID (Program Identifier) value is entered, theIPSat will accept and process all traffic received by the DVB port(demodulator or receive port) that contains the PID value. At least onePID must be entered to receive DVB traffic and is usually defined byyour service provider.

MPEG PID 2: Same as above.

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RC-Rx coding rate: Sets the type and rate of the FEC (Forward ErrorCorrection) decoding performed by the demodulator. Defined byservice provider. Default is Vit 2/3.

RD-Rx Data Rate: Sets the data rate in bps (bits per second) that thedemodulator receives at and is usually defined by your serviceprovider. The Rx Symbol Rate is automatically determined by the RxCoding Rate and the Rx Data Rate.

RS-Rx Frequency: Sets the L-band frequency in Hz (hertz) that thedemodulator receives at and is usually defined by your serviceprovider.

TC-TX Coding Rate: Sets the type and rate of the FEC (ForwardError Correction) coding performed by the modulator. Defined byservice provider. Default is Vit 1/2. Note: When the service provider isusing Radyne ComStreams MRT (Multiple Receiver Terminal), theTX Coding Rate must use the DVB symbol-mapped Viterbi types(DVB 1/2, DVB 3/4, DVB 7/8) or the sequential types.

TD-TX Data Rate: Sets the data rate in bps (bits per second) that the

modulator transmits at and is usually defined by your service provider.The TX Symbol Rate is automatically determined by the TX CodingRate and the TX Data Rate.

TS-TX Frequency: Sets the L-band frequency in Hz (hertz) that themodulator transmits at and is usually defined by your service provider.

TP-TX Power Level: Determines the power level in dBm (decibel-meter) that the modulator transmits at. Default is 0.0dbm.

EM-Modulator: Enables or disables the modulator. It performs thesame function as pressing TX Enable on the front panel. Default isdisabled.

HP-10 MHz Reference: Enables or disables 10 MHz BUC (Block

UpConverter) reference frequency. Default is disabled.MIV-24 Volt Output: Selects the source for the power to the BUC(Block UpConverter). Choices are disabled, enabled internal andenabled external. Default is disabled. Note: Enabled internal has amaximum of 24vdc at 3 AMPS.

AE-Modulator Auto Enable: Used to automatically return themodulator, 10 MHz and 24vdc to previous state upon power-up orreset when set to Auto; otherwise, when set to manual, the modulatormust be manually enabled upon power-up or reset. Default is Manual.

PC-Pure Carrier: Enables or disables the transmission of anunmodulated carrier (continuous wave) out of the modulator. The purecarrier signal is used for diagnostic and installation procedures. Defaultis disabled.

Once all of the parameters have been configured, press the Esc key. Areset may be required for some of the settings to take effect. If this isthe case, the IPSat will reset itself after displaying a user prompt.

Refer to the Console chapter for more information about configurationand monitoring tasks and utilities that are available.

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Rear Panel Connections

All IPSat external connections are located on the rear panel.

IPSat Rear Panel

Remote Port J1

The Remote Control (J1) port interfaces to a remote terminal toprovide remote configuration, monitor, and control functionality of theIPSat. The Remote Control port is only used in special circumstances.Most configuration and monitoring tasks are accomplished with theConsole Port.

Connector: RS-232 and RS-485 electrical on DB-9 female connector.

Status Relay Port J68

This port is not used.

External Input Power Supply Port J60

The DC Power In (J60) port supplies up to 48 VDC at 6 amps to theIFL cable for external (UPA).

Connector: Mini-UHF connectorTransmit Out Port J61

The TX Out (J61) port provides the transmit IF output, reference, andDC power to the ODU transmitter. The IPSat modulator haselectronically adjustable output power. For normal IPSat operations,the output power of the L-band modulator is set between 35 and 8dBm, in 0.1 dB steps. The output frequency is programmable in therange of 950 to 1750 MHz.

The output impedance is 50 ohms, with a return loss of 8 dB or better.

Connector: Mini-UHF connector

Optional Power Detector Port J63

The Tx/Rx (J63) port uses a Y-cable to interface with optional powerdetector and/or user data equipment. This port provides DC andreceives a 4 to 400 KHz signal for the optional BUC power detectorfor closed loop power control.

Connector: DB26 HD

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Basic Installation Information Sheet

Basic Insta lla t ion In format ion

G e n e r a l In fo rma t io n

Da te _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ In s ta l le r_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ S i te l o ca ti o n _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

C u s t o m e r

Na m e _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ P .O .C . a n d p h o n e # _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Satell i te

Na m e _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ L o n g i tu d e (d e g re e s ) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Opera t ing band Polar izat ion C -b a n d L inear Co-P o l Cross-Po l Ku -b a n d C i r cula r RHC P L H C P

Earth Sta t ion

Al t itude ( fee t ) _______ _____ __ Magnet ic dev ia t ion degrees/minu tes)_________

Long i tude (degrees/minu tes) ____________ La t i tude (degrees/minu tes)___________

Antenna

S ize _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ -_ _ _ M a n u fa c tu re r_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Offse t ang le (deg) ___________ _____ ___( fo r o f fse t an tennas nom ina lly 22 .5) Eleva t ion ang le (deg) ________________ Az imu th a n g le (d e g ) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Po la r iza t ion ang le (deg) ___________________

O DU In fo r ma t io n

Rad io t ransmi t te r ga in ________________ L NB T yp e _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

IFL cab le leng th ________________ IF L ca b le T yp e _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

IDU Co n f ig u r a t io nPa r a me te r s

T r a n s mi t Re c e iv e

Da ta ra te (b p s ) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

F re q u e n cy (h z ) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Co d in g Ra te _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Ne tw o r k Pa r a me te r s

IPSa t IP Ad d re ss _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Su b n e t M a sk _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

De fa u l t G a te wa y _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

M p e g P ID 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ M p e g P ID 2 _ _ _ _ _ _ _ _ _ _ _ _

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Front Panel Operation

This chapter presents the following information about the IPSat frontpanel:

Using front panel components

Navigating through menus

Menu and command description

Lockout feature

Front Panel Components

The IPSat has an interactive front panel with push buttons, LEDindicators, and an LCD display allowing the IPSat modem parametersto be configured, monitored, and controlled from the front panel.

IPSat Front Panel

The front panel consists of:

24-character LCD displays menus, parameters, information,

and messages Previous button used to scroll up to a previous menu level

or to leave a command without changing its parameter

Selection buttons all three selection buttons are used toselect a menu item. The left and middle buttons may be used toscroll down through the list of commands. The right button isused to select a parameter so that it can be modified.

Modify up and down buttons used to scroll up and downthrough a list of commands and through the list of parametersfor a selected command.

Cursor left and right buttons used to:

o Scroll within the current menu level

o Activate the cursor within a selected parameter

o Move the cursor through the parameter field

Enter button used to issue a command or set a parameter

TX Enable dedicated button with illuminated message usedto enable and disable modulator output. This button does not

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affect the LCD display and is independent of all other buttonson the front panel.

Illuminated status and fault alert messages provide at-a-glance status checking enabling you to quickly scan the frontpanel to check for any abnormal operating conditions.

o Rx Sync illuminates green when the entire receivesignal and data path of the IPSat is synchronized to thereceive signal and valid data is being provided at theuser data port.

o Fault illuminates red when a fault condition exists.The red fault message is associated with the IPSatcurrent fault status register.

o Fault illuminates yellow when a selected IPSat faulthas been logged.

o Test Mode illuminates yellow when the IPSat is inPure Carrier mode. The Test Mode message must beoff, or invisible, for the IPSat to operate normally.

o View Only illuminates yellow indicating that thefront panel is in lockout mode.

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IPSat Menu Structure

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Navigating through the Menus

The front panel menu structure consists of menus, commands andparameters.

LCD Symbols

There are three important symbols that appear on the front panel LCD:

Karats >> or Faults>

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This example shows the Configuration main menu. The numbersrepresent the rear panel slot in which the specific cards are installed.More signifies that there are more configuration menu items to view.

4:S stm> 5:M&C> More>

Commands

All commands and their associated parameters are displayed on theLCD with the command listed first followed by its current parametersetting. The following example shows the command, Baud, and itscurrent parameter setting of 1200 bps.

Information

Baud Rate 1200

Information, such as current faults, faults in the history log, and systemmessages, is displayed as ASCII text strings. In the following example,a fault listed in the fault log is displayed. The number four representsthe specific card which the fault is associated with, the fault, ModemReset Occurred, is shown, and the karats >> indicate that there isadditional information associated with that fault.

4:Modem Reset Occurred >>

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Front Panel Navigation Buttons

The following front panel buttons are used to move through menus inorder to configure, monitor, and control the IPSat:

Selection Buttons

The three Selection buttons are used to select the menu item,command, or parameter displayed on the LCD. To select the displayeditem, you press the Selection button located directly below it. TheSelection button performs the following tasks:

At a menu level, all of the Selection buttons move you to theselected submenu

In a command list, the Left and Middle Selection buttonsscroll through the list of commands

The Right Selection button causes the parameter to flash,indicating that the parameter can be modified.

Once the parameter is selected (flashing), you can continue to

press the Right Selection button to scroll through the list ofavailable parameters. Or, you may press the Left or CenterSelection buttons to leave the selected parameter, and continueto scroll through the command list.

Modify Up and Down Buttons

Once a parameter is selected, use the Modify buttons to scroll throughthe list of available parameters. If the parameter is a numeric value, theModify buttons can be used to increase and decrease the value.

Cursor Left and Right Buttons

The cursor buttons perform several functions depending upon yourlocation within the menu structure.

At a menu level use the cursor buttons to scroll within thecurrent menu level

Once a parameter is selected, press either cursor button toactivate the cursor. The cursor is represented by one or moreflashing characters in the LCD display. Once the cursor isactivated, use the left and right cursor buttons to move thecursor through the parameter field.

Enter Button

The Enter button is used to issue a command, such as the clear faultscommand, or to set a parameter, such as a baud rate. The Enter buttonperforms the following tasks:

When the required command is displayed and selected(blinking), the Enter button executes the command.

When a parameter is selected (blinking), the Enter buttonconfigures the system with the new parameter value. The newvalues are then stored in nonvolatile memory.

Previous Button

The Previous button performs the following tasks:

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At a menu level, the Previous button moves you up to the nexthigher menu level

In a command list, the Previous button moves you up to themenu level

When a parameter is selected, the Previous button moves you

up to the menu level

Entering Commands From the Front Panel

To issue a command from the front panel:

1. Navigate to the required command using the Selection, Cursor,and Modify buttons.

2. Select the command by press the right Selection button or one

of the Cursor buttons. All or part of the command or itsparameter will flash.

3. Change the parameter as needed.

If the parameter is in a list, scroll through the list by doing oneof the following:

Use the Modify buttons to scroll up or down throughthe list.

Press the right Selection button to scroll down throughthe list.

If the parameter requires a numeric entry:

Use the Cursor buttons to move the cursor to the

correct numeric position.

Use the Modify buttons to increase or decrease thenumeric value.

For numeric parameters such as frequency values or transmitpower levels, cursor location determines the amount the valueis changed based on its numeric position (tens, hundreds, etc.).

For example, assume that the number 0 (zero) is displayed andyou need to set the value to 102000. To do this perform thesesteps:

Select the parameter. The cursor displays and blinksunder the zero.

Press the left cursor button three times, moving thecursor over three digit positions, to the thousandsposition.

Press the Modify Up button twice. The number 2000displays.

Press the left cursor button two times, moving thecursor over two digit positions.

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Press the Modify Up button once. The number 102000displays.

4. Set the new command parameter by pressing the Enter button.An asterisk (*) appears briefly on the LCD and thendisappears. The command and its updated parameter will bedisplayed and will not flash.

If the Enter button is notpressed, the parameter willnot be changed.

Ifno part of the parameter is flashing, pressing theEnter button will have no effect.

To leave a parameterwithoutmodifying it, when all or part isflashing, navigate to another command or level using the leftor center Selection buttons or the Previous button.

Entering Commands Using the Terminal Emulator

Commands not directly displayed on the front panel can be modified

and issued from the front panel using the terminal emulator commandThe following remote command syntax is used when issuingcommands using the front panel terminal emulator :AA command:

:

where:

refers to a two- or three-lettercommand abbreviation used for remote command entry thatreplaces the AA on the display.

There must be one space between the command mnemonic andthe parameter; this space is entered by pressing the right arrowkey.

refers to any value pertaining to thecommand.

The parameter for a query command is a question mark (?);some commands do not require a parameter.

To issue a command using the terminal emulator:

1. Navigate to the terminal emulator :AA command.

2. Select the :AA command. A blinking cursor will display tothe right of the command.

3. Use the Left Cursor button to move the cursor over two

positions to the left, so that it is located to the right of thecolon (:). The cursor should be located under the first Aand be blinking.

4. Enter the required remote command using the correctterminal emulator syntax.

a. Use the Modify Up and Down buttons to scrollthrough the list of characters. The characters display in

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the following order when you use the Modify Downbutton:

A through Z

Space

? (question mark)

(hyphen)

, (comma)

0 through 9

The characters display in the reverse order when usingthe Modify Up button.

b. Move the cursor the right using the Right Cursorbutton.

c. Repeat steps a and b as necessary until you haveentered the entire command.

5. Issue the command by pressing the Enter button.

If the command was a query, the LCD will displaythe response for a few seconds and then redisplay:AA.

If the command was successfully executed, theLCD will redisplay :AA.

If an error occurs, the LCD will display an errormessage for a few seconds and then redisplay:AA.

TX Enable Button

The TX Enable button is used to enable and disable modulator output.This button does not affect the LCD display and is independent of allother buttons on the front panel.

Front Panel Menu Descriptions

The following table provides detailed descriptions of the IPSat frontpanel menus and commands. The commands are organized in the orderin which they appear on the front panel. Included are:

Menu level

Front panel command

Command function

Available parameters for that command or the response formatif the command is query-only

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IPSat Front Panel Commands

Command Function Parameter or Range

Config>Systm

UserTxData Sets the primary transmit data rate in bps.

This command automatically issues all appropriate

transmit data rate commands to all modules in theprimary transmit data path and automaticallyaccounts for any overhead added by a module to thedata stream. UserTxData represents the data rate thatis input to the I/O card in the primary transmit data

path.

Parameter values are: 4800 to 2336000 bps

Default: 0

UserRxData Sets the primary receive data rate in bps.

This command automatically issues allappropriatereceive data rate commands to all modules in the

primary receive data path and to automaticallyaccounts for any overhead removed by a modulefrom the data stream. UserRxData represents the datarate that is output from the I/O card in the primary

receive data path.


Default: 0

Modem Resets the IPSat. This has the same affect as turningthe power switch off and on. Upon reset, allconditions and parameters, with the exception ofthose stored in NV memory (configuration

parameters) are returned to default settings.

Displays Powerup Test in Progress. When thereset is complete, system displays IPSat Terminal.

LoopBack Places the IPSat in Loopback test mode.

This command is useful for testing andtroubleshooting the IPSat.

Loopback connections are used primarily to isolatethe location of a problem in a communications

circuit. The IPSat always power-ups or resets with allloopbacks disabled.

Parameters are:

DISABLE (default) normal operation, all loopbacks ardisabled

IF IF loopback enables the demodulator to accept an IFinput from the modulator through an external coaxial

loopback cable.NEAR near data loopback. Enables the transmit clockand data signals (TT and SD) from the DTE to be routed

back to the DTE on the receive clock and data lines (RTand RD). In internal timing mode, the ST clock from themodulator is routed to the RT output (instead of TT).

FAR far data loopback. Enables the receive clock anddata signals (RT and RD) to drive the modulator in placeof the transmit clock and send data signals (TT and SD)from the DTE. The modulator is temporarily operated inexternal timing during far data loopback operation but isreturned to user-selected timing upon exiting far dataloopback mode.

Loopback connections are used primarily to isolate thelocation of a problem in a communications circuit. TheIPSat always power-ups or resets with all loopbacksdisabled.

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Init FactoryDefault

Initializes all configuration parameters to theirdefault states, stores them in NV memory, and

performs a complete earth station reset.

This command is useful when IPSat configurationparameters have changed, their states are unknown,or the unit will not sync or pass data. To return theIPSat to proper functioning, issue the IN commandand then issue any commands required for customconfiguration of the IPSat.

Displays In Process, followed by Powerup Testin Progress. When the initialization is complete,system displays IPSat Terminal.

Initialize NewFirmware

Use this command when new software is added to anIPSat option card, including M&C software, toensure proper operation after installation. Thiscommand performs a complete initialization andreset ofallcards, returning all configuration

parameters to their default settings and reconfiguringthe NV memory map.

Displays In Process, followed by Powerup Testin Progress. When the initialization is complete,system displays IPSat Terminal.

Config>M&C>RemoteBaud Rate Sets the asynchronous communication baud rate for

the remote control port. The baud rate must matchthe baud rate of the remote control device

Parameters are: 75, 300, 1200, 2400, 4800, 9600

Default = 1200

Remote Control Sets the remote control port at the RS-232 or RS-485electrical level

Parameters are: RS232 (default)

RS485

Remote Dat/Par Sets data parity for the remote control port. Parameters are:

7/ODD (default) 7 data bits with odd parity

8/NONE 8 data bits with no parity

Protocol Sets the protocol used for the remote control port Parameters are:

ASCII (default) used with character-based computer

terminalsPACKET ComStream packet protocol

Packet Address Sets the device address when packet protocol isselected for the remote control protocol.

The Packet Address command is notused for ASCIIprotocol remote control operation.

Parameters are 1 - 31. Default: 1

Note: Do not assign more than one device to an addresson a common control bus.

Config>M&C>S/W Ver

Software Query-only; displays the software version of aspecified card

Query response values are in the format of:

:Software V

where:

is the slot number

is the name of the card

is the software version number

Config>M&C>Misc

:AA Terminal emulator; used to enter remote commandsthat have no front panel equivalent.

To enter a command, use appropriate remote syntax

___

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Lamptest Tests all six backlit message LEDs on the frontpanel by illuminating them for a few seconds andthen automatically returning them to their validstates.

On causes the message LEDs to light for a few secondand then return automatically to their valid states.

Clock Sets the IPSats real-time clock, in 24-hour time.The real-time clock is used for various IPSatfunctions including time-stamped faults

parameter values are expressed in hourminutes, and seconds as follows:

hh hours in two-digit, 24-hour format from 00 to 23

mm minutes in two-digit format from 00 to 59

ss seconds in two-digit format from 00 to 59

There is no default; issuing an Init Factory Defaultcommand does not reset the value stored in NV memoryfor this command. The time set by the factory is thecurrent time for U.S.A. Pacific standard time.

For example, to set the real-time clock to 4:43:01 p.m.issue the command Clock 16:43:01

Date Mo/Da/Yr Sets the real-time date. mo>, , and parameters are:mo month expressed in two-digit format from 01(January) to 12 (December)

da day expressed in two-digit format from 01 to 31

yr year expressed by the last two digits of the year from00 to 99

There is no default; issuing an Init Factory Defaultcommand does not reset the value stored in NV memoryfor this command. The date set by the factory is thecurrent date for U.S.A. Pacific standard time.

For example, to set the real-time date as 28 August 2003issue the remote command DAY 082803.

Config>Modem

TxDataRate Transmit data rate in bps.

Sets the data rate that is input to the modulator fortransmission. This rate is the transmit data rateexpected at the user data I/O connector


Default: 9600 bps

Additional Information: TxDataRate and TxSymRate arrelated by the following equation, which depends onmodulation index (TX Mode Type) and code rate(TX Code Rate):

Data Rate = (Symbol Rate) (Code Rate) (Mod Index

where:

Code Rate is 1, 1/2, 3/4, or 7/8

Mod Index is 1 for BPSK or 2 for QPSKChanging the TxDataRate parameter causes the transmitsymbol rate to change automatically according to thisequation, using the currently selected modulation indexand code rate.

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RxDataRate Receive data rate in bps.

Sets the data rate that is output by the demodulatorafter demodulating and decoding the receivesignal. This rate is the receive data rate provided atthe user data interface


Default: 20000000bps

Additional Information: The RxDataRate and

RxSymRate are related by the following equation, whichdepends on the modulation index (Rx Mod Rate) andcode rate (RxCode Rate):

Data Rate = (Symbol Rate) (Code Rate) (Mod Index

where:

Code Rate is 1, 1/2, 3/4, or 7/8

Mod Index is 1 for BPSK or 2 for QPSK

Changing the RxDataRate parameter causes the receivesymbol rate to change automatically according to thisequation, using the currently selected modulation indexand code rate.

TxIF Sets the transmit IF carrier synthesizer frequency

for the L-band modulator in kHz

Parameter values are: 950000000 to 1525000000 kHz

Default: 950000000 kHzRxIF Sets the transmit IF carrier synthesizer frequency

for the L-band demodulator in kHz.Parameter values are: 950000000 to 1700000000 kHz

Default: 950000000 kHz

TxSymRate Sets the transmit modulator symbol rate in sps Parameter values are: 9600 to 2336000 sps

Default: 0 sps

Additional Information: TxSymRate and TxDataRate arrelated by the following equation, which depends onmodulation index (TX Mod Rate) and code rate(TX Code Rate):

Symbol Rate = Data Rate (Code Rate Mod Index)

where:

Code Rate is 1, 1/2, 3/4, or 7/8Mod Index is 1 for BPSK or 2 for QPSK

Changing the TxSymRate parameter causes the transmitdata rate to change automatically according to thisequation, using the currently selected modulation indexand code rate.

RxSymRate Sets the receive modulator symbol rate in sps. Parameter values are: 9600 to 2336000 sps

Default: 19200 sps

Additional Information: RxSymRate and RxDataRateare related by the following equation, which depends onmodulation index (Rx Mod Type) and code rate(Rx Code Rate):

Symbol Rate = Data Rate (Code Rate Mod Index)

where:

Code Rate is 1, 1/2, 3/4, or 7/8

Mod Index is 1 for BPSK or 2 for QPSK

Changing the RxSymRate parameter causes the receivedata rate to change automatically according to thisequation, using the currently selected modulation indexand code rate.

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IPSat Front Panel Command


Rx Sample Rate Sets the receive sample rate in MHz Parameters are: 45 (default), 61, 81, 91 MHz

TX Code Rate Transmit FEC coding rate.

Sets the transmit type and rate of FEC

convolutional encoding performed by themodulator. The modulator supports both Viterbi-and Sequential-compatible convolutional-encodingalgorithms as well as uncoded operation.

Parameters are:

Uncoded

Seq 1/2Seq 3/4

Vit 1/2 (default)

Vit 3/4

Vit 7/8

DVB 1/2

DVB 2/3

DVB 3/4

DVB 5/6

DVB 7/8

Rx Code Rate Receive FEC coding rate.

Sets the type and rate of FEC decoding performedby the demodulator. The demodulator supportsViterbi and Sequential decoding algorithms as wellas uncoded operation.

Parameters are:

Vit 1/2

Vit 3/5

Vit 2/3 (default)

Vit 3/4

Vit 4/5

Vit 5/6

Vit 6/7

Vit 7/8

TX Mod Type Sets the transmit modulation type for themodulator.

Parameters are: BPSK (default), QPSK

Rx Mod Type Sets the receive modulation type for thedemodulator. Parameters are: BPSK (default), QPSK

TX Diff Decoding Controls the transmit differential encoding on themodulator.

Parameters are:

OFF disables differential encoding

ON enables support for standard as well as QPSKuncoded operation

Rx Diff Decoding Controls the receive differential decoding on thedemodulator.

Parameters are:

OFF disables differential decoding

ON enables support for standard as well as QPSKuncoded operation

TX Filter Type Transmit filter mask.

Sets the spectral shape of the modulated TxIFsignal. The modulator digital filter coefficients areprogrammed to create an optimal match to thedemodulator baseband digital filter, which resultsin exceptional IPSat performance.

Parameters are:

ComStrm (default) ComStream; select if the IPSat is tooperate with existing ComStream earth stations, CMxxxCVxxx, DTxxxx, or DBRxxx products in a closed-network application; exceptions are the CM2000,CM3000, and CM720

IBS/IDR filter used for Intelsat- or DVB-compatible,open-network applications

SMS filter used for Eutelsat-compatible, open-networkapplications

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Acquisition Restarts acquisition. Parameters are:

STOP causes the demodulator to stop searching for areceive signal carrier. This is typically the status if thedemodulator is synchronized to the receive signal and isactively demodulating valid data.

LOCK (default) causes the demodulator to beginsearching for the receive signal carrier. The demodulatorwill acquire the carrier closest to the frequency at whichthe search begins. Reentering this command restartsacquisition.

TxPwrLevel Sets the output power level of the modulator indBm.

Parameter values are: 350 to 80 dBm

Default: 0.0 dBm

TX Pure Carrier Pure carrier mode. This command forces themodulator to transmit an unmodulated carrier, alsoreferred to as continuous wave (CW).

Parameters are:

OFF (default) enables the transmission of a normal,

modulated carrierON enables pure carrier transmission

The pure carrier signal is used for diagnostic and systeminstallation. When enabled, the ST clock on the data I/Oconnector is reduced to 0 Hz.

10MhzOutput Enables 10 Mhz Reference Clock for BUC Parameters are:

OFF (default) Disabled

On - Enabled

Demod Offset Query-only; displays the frequency offset betweenthe demodulator synthesizer frequency setting(remote RS command or front panel Rx Freqcommand) and the actual demodulator RxIF

carrier frequency.

The response is displayed in units of hertz, typicallywithin the range of 30000 Hz; however, measurementcapabilities may extend past 30000 Hz. If thedemodulator is not locked to a receive signal, an N/A

response will display.Ref Output Enable Specifies timeout in seconds before radio output is

automatically turned on.Parameters values are:

0 to 32767

Default is 180

Auto Carrier Enable Automatically enables modulator, 10 MhzReference and BUC DC Volt after power cycle orreset.

Parameters are:

Auto Enable

Manual - Disabled

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ODU Power Cntrl Enables and selects source for BUC DC Voltage. Parameters are:

OFF Disabled (Default)

INT Enabled Internally

EXT Enabled ExternallyTX Clock Source Transmit bit timing.

Sets the source of the modulator bit time, transmitdata clock. The DTE must provide the DT8000with send data (SD) that transitions on the risingedge of the selected transmit clock.

Parameters are:

INT (default) internal timing. The modulator generatesits own transmit clock (station timing, or ST) based uponthe internal IPSat clock.

EXT external timing. The modulator uses the TT clockprovided by the DTE as the transmit clock.

LOOP loop timing. This routes the RT signal from thedemodulator into the TT clock input of the modulator ansets the modulator for external timing operation.

Note: It is recommended that loop timing be done in theDTE equipment rather than the IPSat to prevent data

pattern slips due to an incorrect clock-data relationship athe modulator transmit data latch. If the DTE does notsupport loop timing mode, the IPSat loop timingconfiguration may be used for data rates below 500 kbpswith a data cable length under 5 m (15 ft) from the IPSatto the DTE.

TX Scrambling Sets the scrambling algorithm applied to thetransmit data stream.

Parameters are:

OFF scrambling disabled

COMSTRM (default) ComStream-compatiblescrambling

IDR Man. IDR, IESS-308-compatible scrambling

Rx Scrambling Sets the descrambling algorithm applied to the

receive data stream.

Parameters are:

OFF descrambling disabled

COMSTRM (default) ComStream-compatibledescrambling

IDR Man. IDR, IESS-308-compatible descrambling

Monitor

Eb/No Query-only; displays the current Eb/N0 level in dB. Query response values: 0 to 21.0

The displayed value represents an estimate of the Eb/N0and is in the range of 0 to 21 dB in 0.1-dB steps. Theaccuracy of the measurement depends on two factors:

Value of the Eb/N0 when queried from 5 to 10 dBprovides very accurate estimates

Symbol rate of the IPSat high symbol rates providemore accurate measurements than low symbol rates

The result is within 0.5 dB.

Additional Information: If Eb/No is viewed when theIPSat is not locked to a receive carrier, an N/A responsewill display.

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AGC Level Query-only; displays the gain factor applied to thereceived signal.

Query response values: 0 to 255

A low number indicates a strong receive signal as high a-30 dBm; a high number indicates a weak receive signalas low as -90 dBm. A return value of 60 to 80 indicates agood signal level.

Note: The demodulator automatically adjusts the gainfactor to keep the baseband signal at a constant level,regardless of RxIF input signal power. The range for thisinput signal power is -30 to -90 dBm.

Chan Err Rate Query-only; displays the channel error rate.

If the Chan Err Rate is viewed when the IPSat isnot locked to a receive carrier, or if it is operatinguncoded, an N/A front panel message will appear.

Query response values: are in the form n x 10^-y.

TX Clk Query-only; displays the frequency of the TTclock supplied by the DTE to the data I/Oconnector of the IPSat. The parameter has an

accuracy that is better than 1 percent of thefrequency being measured. The frequency of theTT clock is expressed in kHz.

Query response values: are in the form n x 10^-y.

Rx Clk Query-only; displays the frequency of the RTclock supplied by the data I/O connector of theIPSAT to the DTE. The parameter has an accuracythat is better than 1 percent of the frequency

being measured. The frequency of the RT clock isexpressed in kHz.

Query response values: 0 to 2336000 kHz.

Faults

FaultLog Query-only; displays the faults found in the faultlog.

Displays logged modem faults.

Current Query-only; displays the real-time current faults. Displays current modem faults; faults can be scrolledthrough by using the Modify Up and Down buttons.

Clear Clears the fault history log.

Note: Upon power-up or reset, the IPSat fault logregister must be cleared by executing the Clearcommand before fault monitoring can begin.

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Front Panel Lockout

For some installations, the front panel may need to be disabled. Forthese applications the IPSat provides view-only and complete frontpanel lockout modes. These modes prohibit accidental or unauthorizedmodifications to the IPSat operating configuration. Since the lockoutconfiguration parameter is stored in NV memory, it remains unchangedafter an IPSat reset or power-up.

To lock out the front panel, change from one lockout mode to another,or return the front panel to normal operation, perform the followingsteps:

1. Access the front panel LockOut command by pressing thePrevious, Up Modify, and left Cursor buttons Previous ^

Ipsat Manual

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