02 RA45312EN05GLA0 Flexi WCDMA BTS Module Installation

1 © Nokia Siemens Networks RA45312EN05GLA0

Flexi WCDMA BTS Module Installation RU10


Nokia Siemens Networks Academy

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Flexi WCDMA BTS Module Installation



After completing this module, the participant will be able to:

Practical:

Examine for correctly installed NSN Flexi WCDMA BTS modules



AC/DC Power Module

System Module

RF Modules 1-3



After completing this module, the participant will be able to:

Theory:

Describe installation options for NSN Flexi WCDMA BTS

Practical:

Install NSN Flexi WCDMA BTS modules


Handling the modules and unpacking the delivery

Preparing the modules for installation

Grounding

Installing the stand-alone BTS on the floor

Fixing adapter mechanics to plinth

Mounting the stand-alone BTS on the wall

Mounting the stand-alone BTS on the pole Installing modules inside NSN cabinet

Installing optional modules

Installing transmission sub-module

Connecting external power feed

Work order


Handling the modules and unpacking the delivery

When handling the modules, always use the antistatic wrist strap as shown in the figure below. The cabinet must be grounded, otherwise the antistatic wrist strap will not work. Refer to Grounding the BTS section.

ESD ANTI-STATIC WRIST STRAPS SHOULD BE WORN WHEN HANDLING ANY UNIT WHICH DISPLAYS THE ESD

LOGO

ESD ANTI-STATIC WRIST STRAPS SHOULD BE WORN WHEN HANDLING ANY UNIT WHICH DISPLAYS THE ESD

LOGO


Unpack and check the delivery System Module

Delivery contains module, cable entries, ESD wrist strap, cable clamps, screws.


Unpack and check the delivery RF Module

Delivery contains module with cabling, cable entries, optical cable assembly, Power cable assembly, 2 optical transceivers (SFP), screws.


Flexi WCDMA BTS Standalone Installation


Preparing the modules for a stand-alone installation 1/2

• Module rear cover must be attached first to protect moving parts

• Safety catch should be installed for wall and pole installation


Preparing the modules for a stand-alone installation 2/2


There are two options as to how to lift a stand-alone BTS:

• A stand-alone BTS can be lifted stacked (max. two modules per plinth) and cabled. When lifting a stacked BTS, the lifting points on the plinth must be used.

• The plinth can be lifted and mounted first and then each module lifted separately. When lifting a single module, a lifting bag must be used.

Attach the hoisting belt or rope so that the angle between the belt or rope and the plinth is minimum 60°. The distance between the plinth and the belt or rope is minimum 400 mm.

Lifting the stand-alone BTS

The equipment is heavy. Take care when lifting it.


Grounding principle of the stand-alone BTS


Anchoring the plinth on the floor

• The plinth is mandatory when the modules are not mounted in an optional cabinet or 19" rack.

• When choosing the location for the plinth, take into consideration the required maintenance space

• If there are more than five modules in a stack, side access to the back is needed for back maintenance.


Clearances 1/2

Plinth anchoring points, minimum clearances (without maintenance access)

Anchoring plinth on base with maintenance space in the back


Clearances 2/2


Installing modules on the floor

• The stand-alone BTS (without a cabinet) can be installed on the floor in a stack of up to nine modules (maximum height 27U).

• To meet the earthquake requirement for Zone 4, no more than five modules (maximum height 15U) can be installed in one stack. More than six modules in a stack meets the vibrational requirements for earthquake Zone 2.

• If Flexi Power Module (FPMA) is used, its recommended position is at the bottom of the module stack


Installing modules on the floor


Recommended Installation Order HW Rel1


Flexi WCDMA BTS Wall and Pole Installation


Fixing adapter for wall and pole installations

Adapter mechanics brackets are installed on the plinth in wall and pole installations.


Fixing adapter for wall and pole installations

• Fixing adapter mechanics can be done with right or left hand side mode

• Right hand installation is recommended

Warning

Risk of physical injury. Secure the screws with a thread-locking compound in pole and wall installations.


Mounting the plinth on the wall 1/4


Mounting the plinth on the wall 2/4


Mounting the modules on the wall 3/4


Mounting the modules on the wall 4/4

The stand-alone BTS can be installed on a wall. The maximum number of modules per plinth is two.

If Flexi Power Module (FPMA) is used, it should be installed on the same plinth as the System Module

Excess torsion damages the casings. In wall and pole installation, do not install more than two modules per plinth


Caution

Incorrect installation may lead to damage to the modules.

The modulesmust be installed with the front panels facing left or right.

Do not installthe modules with the front panels facing up or down.


Mounting the plinth on a pole with VMPB

Pole mounting brackets bolt lengths, hole numbers and torque values

Pole mounting bracket hole numbering

There are three different lengths of bolts available and four places for the

bolts in the pole mounting brackets. When attaching the brackets to the

pole, use the shortest possible bolts and the holes whose distance is the

closest to the pole diameter. See the following table and figure for more

details.

Pole Diameter Bolt length Hole Number* Torque value

60 - 90 mm 120 mm 1 29 Nm

95 - 125 mm 120 mm 2 29 Nm

126 - 165 mm 200 mm 1 29 Nm

166 - 210 mm 200 mm 2 29 Nm

211 - 255 mm 300 mm 3 29 Nm

256 - 300 mm 300 mm 4 29 Nm

*Hole numbering is presented in the following figure


Mounting the plinth on a pole


Mounting the plinth on the pole with FPKA

Flexi Pole Mounting Kit (FPKA) is designed for poles between 60 mm (2.4 in.) and 120 mm (4.7 in.) in diameter.

If the pole is wider than 120 mm, then pole mounting kit (VMPB) is required for the installation


Recommended module installation order

Do not install more than two modules per plinth

The modules must be installed with front panels facing left or right. Do not install modules so that the front panels face up or down.


Mounting the modules on the Pole

Warning!

• Excess torsion damages the casings. In wall and pole installation, do not install more than two modules per plinth.

• Incorrect installation may lead to damage to the modules. The modules must be installed with the front panels facing left or right. Do not install the modules with the front panels facing up or down.


Installing fixing plates for the casing


Installation example: modules on the pole

The following figure illustrates an example of the basic configuration of one System Module and three RF Modules installed on a pole.

The installation in the figure is a right- hand installation, however, the BTS can also be installed as a left-hand installation.


Transmission sub-module installation


Installing Remote Radio Head (FRGE) to a poleRemote Radio Head (FRGE) is installed to a pole using Flexi Pole Kit (FPKA).

Steps

1. Fix the upper mounting bracket on the pole and attach the mounting bracket screws on the bracket.

2. Fix one half of the lower mounting bracket on the Remote Radio Head.


3. Lift the module on the pole and fit it to the mounting screws of the pole mounting brackets.

4. Tighten the mounting screws to 30 Nm.

Make sure that the brackets are carefully aligned so that the module does not get twisted during installation.

5. Place the counterpart of the lower pole mounting bracket in its place.

Installing Remote Radio Head (FRGE) to a pole


6. Detach the IP cover at the bottom.

7. Connect the grounding cable to the bottom of the Remote Radio Head.

8. Connect the two antenna jumper cables.

9. Strip the DC cable as needed.



10. Connect the DC cable.Connect the black wire to the terminal marked with a plus sign (+) and the blue wire to the terminal marked with a minus sign (-).

11. Install the SFP



12. Connect the optical cable.Fix it with a cable tie to the cable tie point on the left side.13. Replace the IP cover.When inserting the IP cover, make sure that the gaskets at the bottom of the cover are properly fitted in the slots. Fix with four screw.



Installing Remote Radio Head (FRGE) to a wall

Steps

1. Mark the mounting hole locations on the wall and drill the holes for the screws (or any other fixing method).

2. Fix the upper mounting screws to the wall.

3. Lift the Remote Radio Head on the wall and fit it to the mounting

screws.

Tighten the screws.


4. Insert the lower mounting screws.

5. Tighten the screws.

6. Detach the IP cover at the bottom.



7. Connect the grounding cable to the bottom of the Remote Radio head

8. Connect the two antenna jumper cables.

9. Strip the DC cable as needed.



10. Connect the DC cable.

Connect the black wire to the terminal marked with a plus sign (+)

and the blue wire to the terminal marked with a minus sign (-).

11. Install the SFP.



12. Connect the optical cable.

Fix it with a cable tie to the cable tie point on the left side.

13. Replace the IP cover.

When inserting the IP cover, make sure that the gaskets at thebottom of the cover are properly fitted in the slots.

Fix with four screw.



Checklist for installing modules


Flexi WCDMA BTS Delivery Package


Delivery contents of the System Module

The System Module delivery contains the following items:

• System Module

• 2 x System Module cable entries

• ESD wrist strap

• 2 x cable clamps

• Stress relief plate for the power cable

• 4 x M5 screws for fixing cable entries to the casing

• 4 x K30 screws for the cable clamps

• 2 x M5 screws for fixing the casing to another casing or plinth

• 20 x cable ties

• Flexi WCDMA BTS Quick Guide


Contents of the RF Module delivery

The RF Module delivery contains the following items:

• RF Module

• 2 x RF Module cable entries

• Optical cable

• Power cable

• 2 x optical transceivers

• 4 x M5 screws for fixing cable entries to the casing

• 2 x M5 screws for fixing the casing to another casing or plinth

• 10 x cable ties


Delivery contents of the plinth

The plinth delivery contains the following items:

. Mounting kit for floor, wall and pole

. Adapter mechanics (used in wall and pole installations only)

. Spring washers (18 pcs for M5 screws and 8 pcs for M8 screws)

. 2 x fixing plate for the casing

. 12 x M5 screws

. 6 x M8 screws


Contents of the NSN MetroSite 50 BTS pole mounting kit delivery


Flexi pole mounting kit (FPKA) and its deliverycontents

The FPKA delivery consists of the following parts:

• two aluminium castings

• two assembling bolts

• module fixing screws (6 pcs.)

• bolt restrainer (2 pcs.)


Delivery contents of the FTPB


Delivery contents of the FTEB


Delivery contents of the FTFA


Delivery contents of the FTIA


Delivery contents of the FTJA


Delivery contents of the FTOA

02 RA45312EN05GLA0 Flexi WCDMA BTS Module Installation

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