An Introduction to ANSI/TIA/EIA-568-B - TCP Online Home Conformance to ISO/IEC 11801 and EN 50173-1...

P. O. Box MT65, LEEDS, LS17 8YD. United Kingdom Tel: +44 (0) 113 232 3721 Fax: +44 (0) 113 293 2632© 2003 The Cabling Partnershipwww.e-readybuilding.comwww.it-cabling.com

e-Ready BuildingNext Generation IT infrastructures

The CablingPartnershipϕAGENDA

IntroductionAn Introduction to

the Design Standards

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Conformance to Standards

Conformance toANSI/TIA/EIA-568-B

Conformance toISO/IEC 11801 and EN 50173-1

Difference Analysis

Balanced Cabling

Optical Fibre Cabling


ANSI/TIA/EIA-568-BEN 50173-1

ISO/IEC 11801 (2002)

Comparing and understanding the new standards

The CablingPartnershipϕ






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Mike Gilmore

Mike Gilmore

Senior Partner, The Cabling Partnership

Managing Directore-Ready Building

Standards Activities

e-mail: [email protected]

Mobile: +44 (0) 7860 110563

Member:ISO/IEC JTC1 SC25 WG3: Generic Cabling ISO/IEC JTC1 SC25 Project Team: SOHO

Convenor: ISO/IEC JTC1 SC25 WG3 IPTG: Industrial Premises Cabling

Convenor:CENELEC TC215 WG1: IT Cabling

CENELEC TC215 WG1 PTIP: Industrial Premises Cabling

Chairman: BSI TCT7/-/1: IT Cabling

BSI TCT7/-/3: IT Cabling Support Group

Technical and Standards Director:Fiberoptic Industry Association






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Agenda






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An Introduction to the Design Standards

Generic Cabling Design StandardsStandards Development - ISO/IEC and ENANSI/TIA/EIA-568-B Standards (Published)ANSI/TIA/EIA-568-B Standards (Ongoing)

Standards Development - TIA TR42.7Generic Cabling Schematics

Interconnects and Cross-connectsEquipment Interfaces

CordsChannels

Application Mapping






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Generic Cabling Design Standards

EN 50173-1 (2002)

Information technology-

General requirements andoffice areas

ISO/IEC 11801 Ed.2 (2002)

Information technology-

Generic cabling forcustomer premises

ANSI/TIA/EIA-568-B Series

Commercial buildingtelecommunications

cabling standard

• B.1 General Requirements• published

• B.2 Balanced Cabling• published• Addendum 1

• Category 6• published

• B.3 Optical Fibre Cabling• published

• published Q4, 2002 • published Q4, 2002






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Standards Development - ISO/IEC and EN

Ed. 1 Ed. 1 A.2Ed. 1 A.1 Ed. 1.2

TITLEARENA REFERENCEEd. 2

BalancedComponents

CablingCategory 3, 4 and 5

Class A, B, C and D (1995)

ISO/IEC 11801 Generic cabling for customer premises

Class D (1999)

Ed. 1 A.1

Ed.2 published

as50173-1

TITLEARENA REFERENCE

Ed. 1

CLC 50173 Generic cabling systems

Part 1: General requirements and office areas

BalancedComponents

CablingCategory 3 and 5

Class A, B, C and D (1995) Class D (2000)

BalancedComponents

Categories 6 and 7Cabling

Class D (2002)Classes E and F

Category 5 (2002)

OFCables

OS1CablingOF-300OF-500OF-2000

OM1, OM2, OM3

1995 1996 1997 1998 1999 2000 2001 2002






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ANSI/TIA/EIA-568-B Standards (Published)

TITLEARENA REFERENCEANSI TIA/EIA-568-B Commercial building telecommunications cabling standard

TIA/EIA-568-B.1 General Requirements

TIA/EIA-568-B.2 Balanced Twisted-pair Cabling

Addendum 1 Category 6

TIA/EIA-568-B.3 Optical Fibre Cabling

Balanced Cabling Categories 3 and 5e

ComponentsCabling Components

Components

Addendum 1 Patch Cable Bend Radius Cabling Components

Addendum 2 Corrections to B.2ComponentsAddendum 3 IL and RL Pass/Fail DeterminationCabling Components

Addendum 1 High bandwidth MM optical fibreComponents

OF Cabling Links and channels

Categories 3 and 5e






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ANSI/TIA/EIA-568-B Standards (Ongoing)


TIA/EIA-568-B.1 General Requirements

TIA/EIA-568-B.2 Balanced Twisted-pair Cabling

Addendum 1 Category 6

TIA/EIA-568-B.3 Optical Fibre Cabling

ComponentsCabling Components

Components

Addendum 1 Patch Cable Bend Radius Cabling Components

Addendum 2 Corrections to B.2ComponentsAddendum 3 IL and RL Pass/Fail DeterminationCabling Components

Addendum 1 High bandwidth MM optical fibreComponents

OF Cabling Links and channels

Addendum 2 Grounding and Bonding for ScTPCablingAddendum 3 OF ApplicationsCablingAddendum 4 Category 6 and 50/125 MMF mediaCabling

Addendum 5 DTE PowerCabling ComponentsAddendum 6 Category 6 component testingComponentsAddendum 7 Connector reliabilityComponents

Balanced Cabling Categories 3 and 5e

Categories 3 and 5e

Addendum 4 Connector reliabilityComponents






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Standards Development - TIA 42.7


TIA/EIA-568B.1

TIA/EIA-568B.2

Addendum 1

TIA/EIA-568B.3

1995 1996 1997 1998 1999 2000 2001 2002

Addendum 1

Addendum 2

Addendum 3

Addendum 1

2003 2004 2005

TITLEARENA REFERENCEANSI TIA/EIA-568-C Commercial building telecommunications cabling standard






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Generic Cabling Schematics - I

optional cables

TO TO TO

CP

BD

CD

BD

FDFD

TO TO TO

FD

CP

CD Campus distributorBD Building distributorFD Floor distributorCP Consolidation pointTO Telecommunication outlet

TO TO TO

TP/CP

IC

MC

IC

HCHC

TO TO TO

HC

TP/CP

MC Main cross-connectIC Intermediate crossconnectHC Horizontal crossconnectCP Consolidation pointTP Transition pointTO Telecommunication outlet

ISO/IEC and EN ANSI/TIA/EIA-568-B.1






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Generic Cabling Schematics - II

BD = Building DistributorBEF = Building Entrance FacilityCD = Campus DistributorCP = Consolidation PointFD = Floor DistributorTO = Telecommunications Outlet

FD

FD

FD

FD

TO

Campus backbonecable

External network

FD

BD/FD BEF

CP

FD

FD

BEFCDBD

CP

TO

External network

External network

BEF

ISO/IEC and EN






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Generic Cabling Schematics - III

ANSI/TIA/EIA 568-B.1

HC

HC

HC

TO

External network

HC

IC/HC BEF

TP/CP

HC

HC

BEFMCIC

TP/CP

TO

External network

External network

BEFHC

BEF = Building Entrance Facility CP = Consolidation PointHC = Horizontal CrossconnectIC = Intermediate CrossconnectMC = Main CrossconnectTO = Telecommunications OutletTP = Transition Point






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Interconnects and Cross-connects

Mated connectionCC Crossconnect panelPP Patch panel

PPCC Crossconnect channel implementationsPP

PPInterconnect channel

implementations

Splice

ISO/IEC, EN and ANSI/TIA/EIA






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Equipment Interfaces

PPCC PP CC

Backbone cabling implementation

EQUIPMENT INTERFACES


Horizontal cabling implementation

PP CP TOCC

WA






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Cords


with Consolidation PointPP CP TOCC

Equipment cord Patch cord

PPCC PP CC


Patch cord Equipment cord

CP cord Work area cord


Equipment cords are NOT patch cords

Work area cords are NOT patch cords






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PP CP TOCC

Channels

PPCC PP CC



Channel - Transmission


WA

Channel - Physical






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Application Mapping

APPLICATION ADDITIONAL NAME

Class APBXX.21

CSMA/CD 10Base-T

V.11S0 Point-to-pointS1/S2Class B ISDN Basic Access

ISDN Primary Access

Token Ring 4 Mbit/sClass C

Token Ring 16 Mbit/s

Class D (2000)

ATM LAN 155.52 Mbit/s ATM-155/Category 5

Fast EthernetCSMA/CD 100Base-T4Fast EthernetCSMA/CD 100Base-T2

Fast EthernetCSMA/CD 100Base-TXHigh speed Token RingToken Ring 100 Mbit/sGigabit EthernetCSMA/CD 1000Base-T

ISO/IEC and EN US

Category 5e

Category 3

ATM LAN 1.2 Gbit/s ATM 1200 Category 6Class E Category 6FibreChannel 14165-114Class F

Category 5Class D (1995)

Class D (2002) Power over data






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Standards FrameworksThe Meaning of ConformanceUnderstanding ConformanceIdentification of Conformance






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2003

Standards Frameworks

ALL TELECOMMUNICATIONS CABLING MEDIA

DESIGN AND PLANNING INSTALLATION

BS 7671

BS 6701 (2003)

BS 7671

BS 6701 (2003)

Mandatory standard-

referenced from BS 7671

BS EN 50174-1

BS EN 50174-2

BS EN 50174-3

BS EN 50174-1

BS EN 50174-2

BS EN 50174-3

BS EN 50346

GENERIC CABLING

TESTING

Mandatory standards-

referenced from BS 6701

Voluntary standards-

only normative when subject to contract

BS EN 50173-1

ISO/IEC 11801 Ed.2 (2002)

ANSI/TIA/EIA-568-B series






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The Meaning of Conformance


CONFORMANCE DEFINES THE REQUIREMENTS OF THE STANDARDS

CONFORMANCE is the mechanism of COMPLIANCE

CONFORMANCE is the basis of judgement in LITIGATION






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Understanding Conformance


All other text is:• recommendation• advisory • tutorial

“SHALL” within “SHOULD” text demands conformance only

if the recommendation is followed

“SHOULDS”indicate recommendations

AND are not required for

conformance to the standard

“true SHALLS” define conformance

Defined by the word“SHALL”






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Identification of Conformance

ANSI/TIA/EIA-568-BISO/IEC 11801 (2002) and EN 50173-1

Clause 4 (ISO/IEC)Clause 1.2 (EN)

CONFORMANCE

defines topics of conformance

distributed

CONFORMANCE

WHAT?

HOW?

WHO?

INSTALLERS CANNOT UNILATERALLY COMPLYUsers and “third parties”also have responsibilities






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Conformance to ANSI/TIA/EIA-568-B

StructureHorizontal Cabling

Horizontal Cabling MediaTelecommunications Outlets

MUTOAGeneric Cabling Schematics

Consolidation PointsHorizontal Cabling ImplementationBackbone Cabling Implementation

Cross-connect DesignGrounding (Earthing)Acceptance Testing






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Structure

TO TO TO

TP/CP

IC

MC

IC

HCHC

TO TO TO

HC

TP/CP

MC Main cross-connectIC Intermediate crossconnectHC Horizontal crossconnectCP Consolidation pointTP Transition pointTO Telecommunication outlet

ANSI/TIA/EIA-568-B.1The horizontal cabling shall be installed in a startopology.

The backbone cabling shall use the hierarchical startopology wherein each horizontal cross-connect in atelecommunications room is cabled either directly toa main cross-connect or to an intermediate cross-connect, then to a main cross-connect.

There shall be no more than two hierarchical levels ofcross-connects in the backbone cabling.

From the horizontal cross-connect, no more than onecross-connect shall be passed through to reach themain cross-connect. Therefore, connections betweenany two horizontal cross-connects shall passthrough three or fewer cross-connect facilities.






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Horizontal Cabling

ANSI/TIA/EIA-568-B.1


PP

CP/TP

TOCC

WA

Each TO shall be connected to a horizontal cross-connect in a telecommunications roomvia the horizontal cable.

Horizontal cabling shall contain no more than one transition point or consolidation point.

Bridged taps and splices shall not be installed as part of the copper horizontal cabling.Splitters shall not be installed as part of the optical fiber horizontal cabling.

The pathways and spaces shall be designed and installed to support horizontal cabling inaccordance with the requirements of ANSI/TIA/EIA-569-A.






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Horizontal Cabling Media



PP TOCC

WA

A minimum of two TOs shall be provided for each individual work area.

One TO shall be supported by a four-pair 100-ohm cable, category 3 or higher(category 5e recommended) as specified in ANSI/TIA/EIA-568-B.2.

A second TO shall be supported by a minimum of one of the following horizontal media:1) Four-pair 100-ohm category 5e cable as specified in ANSI/TIA/EIA-568-B.2.2) Two-fiber MM cable, either 62.5/125 mm or 50/125 mm as specified in ANSI/TIA/EIA-568-B.3

ANSI/TIA/EIA-568-B.2 and ANSI/TIA/EIA-568-B.3 requirements on compatible connectors shallbe met.

CP/TP






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Telecommunications Outlets



PP TOCC

WA

Each 4-pair cable shall be terminated in an eight-position modular jack:• specified in IEC 60603-7• meeting the requirements of ANSI/TIA/EIA-568-B.2• with terminal marking and mounting requirements specified in ANSI/TIA/EIA-570-A.

Horizontal optical fibers at the work area outlet shall be terminated to a duplex optical fiberTO meeting the requirements of ANSI/TIA/EIA-568-B.3.

Application-specific components shall not be installed as part of the horizontal cabling. Whenneeded, such components shall be placed external to the TO.

Patch cords used in the work area shall meet or exceed the performance requirements inANSI/TIA/EIA-568-B.2 and ANSI/TIA/EIA-568-B.3.

CP/TP






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MUTOA (Multi-User TO Assembly)



PP MUTOACC

WA

MUTOAs shall be located in fully accessible, permanent locations such as building columns,and permanent walls.

MUTOAs shall not be located in ceiling spaces, any obstructed area or installed in furnitureunless that unit of furniture is permanently secured to the building structure.

MUTOAs shall be administered in the same manner as TOs described in ANSI/TIA/EIA-606-A.The work area cords connecting the MUTOA to the work areas shall be labelled on both endswith a unique cable identifier. The end of the work area cords at the MUTOA shall be labelledwith the work area it serves, and the end at the work area shall be labeled with the MUTOAidentifier and a port identifier.

The MUTOA shall be marked with the maximum allowable work area cord length.

The work area cords shall be connected directly to work area equipment without the use of anyadditional intermediate connections.

CP/TP






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Consolidation Points



PPCC

WA

Consolidation points shall not be used for direct connection to active equipment. Cross-connections shall not be used at a consolidation point.

The cables and connections used at a consolidation point shall meet the requirements ofANSI/TIA/EIA-568-B.2 or ANSI/TIA/EIA-568-B.3.

Each horizontal cable extending to the work area from the consolidation point shall beterminated to a TO or MUTOA.

Consolidation points shall be located in fully accessible, permanent locations such as buildingcolumns, and permanent walls. Consolidation points shall not be located in any obstructedarea. Consolidation points shall not be installed in furniture unless that unit of furniture issecured to the building structure.

Consolidation points shall be administered in the same manner as connecting hardwaredescribed in ANSI/TIA/EIA-606-A.

CP/TP

MUTOA/TO






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Horizontal Cabling Implementation

H = (102-FX)

for screened cables for unscreened cables

F = F1 + F2

X = cord attenuation premium

X 1.5 typically 1.2 typically


PPMUTOA/

TOCC

WA

100 metres max.

F1 F2H, 90 metres max.

15 metres min.

TO MUTOAF = 10 metres max.

CP/TP






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Backbone Cabling Implementation

WA

MC

IC HC

800 metres: Cu2000 metres: MMF3000 metres: SMF

100metres


500 metres: Cu1700 metres: MMF2700 metres: SMF

300metres

WA Work area

The following media shall be used individually or in combination in the backbone cabling recognizedmedia are:• 100-ohm twisted-pair cable (ANSI/TIA/EIA-568-B.2)• multimode optical fiber cable, either 62.5/125 mm or 50/125 mm (ANSI/TIA/EIA-568-B.3)• singlemode optical fiber cable (ANSI/TIA/EIA-568-B.3)

Horizontal and backbone building cables shall be terminated on connecting hardware that meets therequirements of ANSI/TIA/EIA-568-B.2 and ANSI/TIA/EIA-B.3. These cable terminations shall not berelocated to implement cabling system moves, adds, and changes. All connections between horizontaland backbone cables shall be cross-connections.

Campus backbone cabling shall comply with ANSI/TIA/EIA-758.






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Cross-connect Design

Telecommunications rooms shall be designed and provisioned according to the requirements inANSI/EIA/TIA-569-A.

Equipment rooms shall be designed and provisioned according to the requirements inANSI/TIA/EIA-569-A.

Equipment cables/cords that consolidate several ports on a single connector shall be terminated ondedicated connecting hardware.

The entrance facility pathway(s) and space(s) shall be designed and installed in accordance with therequirements of ANSI/TIA/EIA-569-A.

The distance between the entrance facility and the main cross-connect shall be included in the totaldistance calculations when regulatory policies within the jurisdiction, which relate to the location of thedemarcation point, deem it appropriate. The length and type of media (including gauge size for copper)shall be recorded and should be made available to the access provider upon request.







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Grounding (Earthing)

Grounding and bonding shall meet therequirements and practices of applicableauthorities or codes.

In addition, telecommunicationsgrounding/bonding shall conform toANSI/TIA/EIA-607 requirements.

ANSI/TIA/EIA-568-B.1ALL CABLING SCREENED/SHIELDED CABLING

The shield of ScTP cables shall be bondedthrough a conducting path to thetelecommunicationsgrounding busbar (TGB) in thetelecommunications room.

Shield connections at the work area areaccomplished through an ScTP patch cord.

At the work area end of the horizontal cabling,the voltage measured between the shield andthe ground wire of the electrical outlet used tosupply power to the work station shall notexceed 1.0 V rms.






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Acceptance Testing


PPCC PP CC


PPMUTOA/

TOCC

Permanent Link

PP MUTOA/TOCC

Permanent Link


with Consolidation Point


w/o Consolidation Point

CP/TP






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Conformance to ISO/IEC 11801 and EN 50173-1

Conformance TopicsStructure

Dimensions and PerformanceConnecting Hardware at the TO

Other Connecting HardwareChannel Performance






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Conformance Topics

CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure

ChannelPerformance

TOConnectingHardware

OtherConnectingHardware






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure

ChannelPerformance



Structure

ISO/IEC 11801 (2002) and EN 50173-1

TO TO TO

CP

BD

CD

BD

FDFD

TO TO TO

FD

CP

CD Campus distributorBD Building distributorFD Floor distributorCP Consolidation pointTO Telecommunication outlet






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Dimensions and Performance

WA

CD

BD FD

2000 metres

100metres

ISO/IEC 11801 (2002) and EN 50173-1

WA Work area

WA

CD

BD FD

Class A - F

Class A - F

Class D - F

ClassA-F

PP to CP = 15 metres minISO/IEC 11801 (2002)






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure

ChannelPerformance


Connecting Hardware at the TO

Cat. 5e, Cat. 6, Cat. 7IEC/EN 60603-7-x

Cat. 7IEC/EN 61076-3-104

OFIEC 60874-19-1







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Other Connecting Hardware

CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure

ChannelPerformance

BalancedIEC/EN 60603-7-x

OFIEC 60874-19-1



Performance requirements






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Channel Performance

Design

Attachment of appropriate componentsto conformant links

Reference implementations

ChannelPerformance






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Channel Performance by Design

Design



ChannelPerformance






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Conformance via Conformant Links

Design



ChannelPerformance






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Conformant Links

ISO/IEC 11801 (2002) and EN 50173-1

“Channel performance shall be assured where a channel is created by addingmore than one cord to either end of a conformant link”.

PPCC PP CC


PPMUTOA/

TOCC

CP Link

PP MUTOA/TOCC

Permanent Link





CP






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Balanced Cabling


Appropriate Components


with Consolidation PointPP CPCC


PPCC PP CC




ISO/IEC 11801 (2002) and EN 50173-1

Equipment cords are NOT patch cords

Work area cords are NOT patch cords

MUTOA/TO






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Conformance via Reference Implementations

Design



ChannelPerformance






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Balanced Cabling


Reference Implementation - Balanced

PP CPCC WA

100 metres max.

No. of connections2

3 inc. CP4

H = (103-FX-CY)/TH = (105-FX-CY)/TH = (107-FX-CY)/T

H = (109-FX)/T3 w/o. CP H = (107-FX)/T

H = (104-FX)/TH = (103-FX)/T

H = (103-FX-CY)/TH = (102-FX-CY)/T H = (102-FX-CY)/T

H = (103-FX)/TH = (105-FX)/T

Class D/Category 5 Class E/Category 6 Class F/Category 7

T = 1 + (t-20) x α α α α where t = maximum design temperature within link

αααα = 0.002 for t>20oC = 0.004 for 20oC<t<40oC= 0.006 for 40oC<t<60oC


C

F1 F2

F = F1 + F2 X = cord attenuation premiumY = CP cable attenuation premium

X and Y 1.5 typically 1.2 typically

90 metres max.

H, 15 metres min.

ISO/IEC 11801 (2002) and EN 50173-1


MUTOA/TO






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Reference Implementation - Balanced

T = 1 + (t-20) x α α α α where t = maximum design temperature within link

αααα = 0.002 for t>20oC = 0.004 for 20oC<t<40oC= 0.006 for 40oC<t<60oC


F = F1 + F2 X = cord attenuation premium

X and Y 1.5 typically 1.2 typically

ISO/IEC 11801 (2002) and EN 50173-1

PPCC PP CC


F2F1

Category5

7

B = (250-FX)/T6

B = (115-FX)/T

B = 2000Class A Class B Class C Class D Class E Class F

B = 2000B = 2000

B = (170-FX)/T B = (105-FX)/TB = (103-FX)/T

B = (102-FX)/TB = (111-FX)/TB = (260-FX)/T

B = (260-FX)/TB = (185-FX)/TB = (190-FX)/T B = (104-FX)/T

B (metres)

B = 100 metres max.B = 15 metres min.






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Reference Implementation - Optical Fibre

EN 50173-1

PPCC PP CC

L (metres)

OF-300OF-500OF-2000

Class 850 nm

Multimode L = 735-145x-90yL = 935-145x-90yL = 2435-145x-90y

Cable Category

Singlemode

Cable Category

OM1, OM2, OM3

OS1OF-300OF-500OF-2000

Class

1300 nmL = 1300-330x-200yL = 1500-330x-200yL = 2435-330x-200y

1310 nmL = 1800-500x-300yL = 2000-500x-300yL = 3500-500x-300y

1550 nm

L = 2000-500x-300yL = 3500-500x-300y

L = 1800-500x-300y

Transmission wavelength


L max. (m)3005002000

L max. (m)3005002000

x = no. of mated connections in the channely = no. of splices in the channel

Formulae not includedISO/IEC 11801 (2002)






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Statistics

Design



ChannelPerformance

using the reference implementations of clause ... andcompatible cabling components conforming to the

requirements of clauses ..., ... and ...,based upon a statistical approach of performance modelling.

Balanced cabling onlyISO/IEC 11801 (2002)

All cablingEN 50173-1

The treatment of measured results that fail to meet the requirements …or lie within the relevant measurement accuracy … shall be clearly

documented within a quality plan as described in ...






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Balanced Cabling


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Balanced Cabling


Difference Analysis

Current Differences“Permanent” and Material Differences

Link DefinitionsBalanced Cabling Channel Models

Test Interfaces






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Difference Analysis

Balanced Cabling


Current Differences

EN 50173-1ISO/IEC 11801 (2002)ANSI/TIA/EIA-568-BIssue

Pathways and Spaces ANSI/TIA/EIA-569-A ISO/IEC 14763-2 and 18010 EN 50174-X

Components Cat. 5e, no Cat. 7 Cat. 5 (2002), no Cat. 3

OF Cables Not included Types Categories

TO Delivery Cat.3 + Cat 5e/MMF Class D + Class D/OF

ClassesInstalled Cabling Categories

Administration ANSI/TIA/EIA-606-A ISO/IEC 14763-1 EN 50174-1

Campus cabling ANSI/TIA/EIA-758 ISO/IEC 14763-2 EN 50174-3

Channel-biasedConformance Implementation-biasedQuality Planning Not included ISO/IEC 14763-1 EN 50174-1

Cat. 6 (US) < Cat. 6 (ISO/IEC and EN) Cable specifications Cat. 5e < Cat. 5(2002)

Cat. 6 (US) < Class ELink specifications Cat. 5e < Class D (2002)Limits for all linksLink verification No CP Link limits

Design-dependent limitsPL Link verification Fixed limits

SpecifiedPower feeding Not specified

SUPPORT STANDARDS

BALANCED CABLING

INSTALLED CABLING

STRUCTURE

Classes A to FBalanced Channels Cat. 3, Cat. 5e, Cat. 6Classes OF300, OF500 and OF2000OF Channels Not included

OF CABLING

FUNDAMENTALApplication-biasedPhilosophy Product-biased

Horizontal and backbonePermanent Link (PL) Horizontal cabling only

Horizontal length 90/100 metres No limits

Earthing (Grounding) ANSI/TIA/EIA-607 EN 50174-2 and EN 50310






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Difference Analysis

Balanced Cabling


“Permanent” and Material Differences

Installed Cabling

Quality Planning

Cable specifications

Link specifications Link verification

PL Link verification

BALANCED CABLING

INSTALLED CABLING

STRUCTURE

FUNDAMENTALPhilosophy

Horizontal length

Issue

Historical

Margins and measurement error

Test equipment investment

Screened/unscreened

Historical

Screened/unscreened

Test equipment investment






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Balanced Cabling


Generic Link (1995)

ISO/IEC 11801 Ed.1 and EN 50173 Ed.1


PP

TP

TOCC

WA

Generic link

PPCC PP CC


Generic link






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Balanced Cabling


Basic Link (1997)

TIA/EIA-TSB67


PP

TP

TOCC

WA

Basic link

Basic link test configuration

TE TE






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Balanced Cabling


Permanent Link (Horizontal)

ISO/IEC 11801 Ed.1.2 (2000) and EN 50173 Ed.1 Amendment 1 (2000)


PP

TP

TOCC

WAPermanent link

ANSI/TIA/EIA-568-B.1 (2001)

PPCC

Permanent link WA


MUTOA/TO

CP/TP






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Difference Analysis

Balanced Cabling


Category 5e Specifications

ANSI/TIA/EIA-568-A A.5 (1999) ANSI/TIA/EIA-568-B.1 (2001)

9111315171921

1 10 100Frequency (MHz)

Retu

rn L

oss

(dB

min

.)

0

5

10

15

20

25


Inse

rtion

Los

s (A

ttenu

atio

n) (d

B m

ax.)

PL

BL

PL

BL PLBLPropagation delay (ns max.)

Delay Skew (ns max.)4985184445






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Balanced Cabling


Permanent Link (2002)

ISO/IEC 11801 (2002) and EN 50173-1


PP

CP

MUTOA/TOCC

WA

Permanent link

PPCC PP CC







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Balanced Cabling


Length and Performance

-100

10203040506070


dB

Delay = 555ns. max @ 10MHz

-100

10203040506070


dB

Delay = 555ns. max @ 10MHzSkew = 50ns. max.DC loop resistance = 25Ω max.DC loop resistance unbalance = 3% max.

PSACRACR

RLPSELFEXT

ELFEXT

PSNEXTNEXT

NEXT

IL

ACR

IL

Class D Channel (1995)

Class D Channel (2002)






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Difference Analysis

Balanced Cabling


Balanced Cabling Channel Models

100 metres

90 metres

ISO/IEC 11801 (2002) and EN 50173-1

IEC/EN cables with 50% additional attenuation

ANSI/TIA/EIA-568-B.1 (2001)


PPCC

WA

IEC/EN cables

90 metres

TIA/EIA568-B.2 cables with 20% additional attenuation


PPCC

WA

TIA/EIA568-B.2 cables

100 metres






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Balanced Cabling


Installed Class vs. Category

1,05*(1,9108*sqrt(f)+0,0222*f+0,2/sqrt(f))+4*0,04*sqrt(f) 4dB min

f dB16 9,1100 24,0

Class D (2002) Channel Category 5e Channel


f16100

dB9,124,0

1,05*(1,82*sqrt(f)+0,0169*f+0,25/sqrt(f))++4*0,02*sqrt(f)

4dB min

f dB16 8,3100 21,7

Class E Channel Category 6 Channel

1,02*(1,808*sqrt(f)+0,017*f+0,2/sqrt(f))+4*0,02*sqrt(f) +

0,0003*f1.5

3dB min

f16100

dB8,021,3

200250

200250

31,735,9

31,536,0


f dB16 7,7100 20,4

Class D (2002) Permanent Link Category 5e Permanent Link


f16100

dB7,921,0

0,9*(1,82*sqrt(f)+0,0169*f+0,25/sqrt(f))++3*0,02*sqrt(f)

4dB min

f dB16 7,0100 18,5

Class E Permanent Link Category 6 Permanent Link

0,9*(1,808*sqrt(f)+0,017*f+0,2/sqrt(f))+3*0,02*sqrt(f) +

0,00015*f1.5

3dB min

f16100

dB7,118,6

200250

200250

27,130,7

27,431,1






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Balanced Cabling


Test Interfaces


PPCC PP CC


TEST INTERFACES

ISO/IEC 11801 (2002) and EN 50173-1


PP CPCC

WA

MUTOA/TO

TEST INTERFACES


PP

TP/CP

CC

WA

MUTOA/TO






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Balanced Cabling


CP Link (2002)

ISO/IEC 11801 (2002) and EN 50173-1


PP CPCC

WA

MUTOA/TO

A point of contractual transfer

CP Link






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Difference Analysis

Balanced Cabling


Balanced Cabling

C lass D (2002) ChannelClass E Channel Class F Channel

Harmonisation of ParametersSingle Segment Cabling “Get-outs”

Multi-segment CablingChannel CreationLink Conformance

Length-Dependent Link ParametersRoutes to Channel Conformance






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Balanced Cabling


Class D (2002) Channel

-10

0

10

20

30

40

50

60

70

1 10 100 1000Frequency (MHz)

dB

PSACR

ACR

RL

PSELFEXT

ELFEXT

PSNEXT

NEXT

IL


ISO/IEC 11801 (2002) and EN 50173-1






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Balanced Cabling


Class E Channel

-10

0

10

20

30

40

50

60

70


dB

ISO/IEC 11801 (2002) and EN 50173-1

PSACR

ACR

RL

PSELFEXT

ELFEXT

PSNEXT

NEXT

IL







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Balanced Cabling


Class F Channel

-10

0

10

20

30

40

50

60

70


dB

PSACR

ACR

RL

PSELFEXT

ELFEXT

PSNEXT

NEXT

IL

ISO/IEC 11801 (2002) and EN 50173-1







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Balanced Cabling


Harmonisation of Parameters

Return lossAttenuation

NEXTPSNEXT

ACRPSACRELFEXT

PSELFEXT

Loop resistanceLoop resistance unbalance

DelayDelay skew

Voltage capacityPower capacity

Length

ISO/IEC 11801EN 50173-1

YES

ANSI/TIA/EIA568-B series

YESYES YESYES YESYES YESYES NOYES NOYES YESYES YESYES YESYES YESNO YESYES NOYES NOYES NOYES NO

Class DClass E

Category 5eCategory 6

Harmonized

HarmonizedHarmonized

HarmonizedHarmonizedHarmonizedHarmonized

Not harmonized






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Difference Analysis

Balanced Cabling


Single Segment Cabling “Get-outs”

Return loss requirements at frequencies at which the insertion loss/attenuation is below 3,0 dB

are informative only

Minimum link return loss (dB)

Minimum link NEXT (dB)NEXT requirements at frequencies

at which the insertion loss/attenuation is below 4,0 dB are informative only (ACR is mandatory)

Minimum link PSNEXT (dB)See NEXT

ISO/IEC 11801 (2002), EN 50173-1 and ANSI/TIA/EIA-568-B.2.3

ISO/IEC 11801 (2002) AND EN 50173-1

PP PP

CP link PP

PP

MUTOA/TO

Permanent link

CP






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Balanced Cabling


Return Loss Exclusion

0

10

20

30

40

50

60

70

80

90


Link

leng

th (m

)

Channel/link lengths at 3,0 dB insertion loss/attenuation

Approximate conditions for Class D, E and F• lengths below 10m @ 100MHz• lengths below 20m @ 31.25MHz• lengths below 30m @ 20MHz• lengths below 40m @ 10MHz

Class DClass EClass FClass C

ISO/IEC 11801 (2002), EN 50173-1 and ANSI/TIA/EIA-568-B.2.3






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Balanced Cabling


NEXT/PSNEXT Exclusion

0

10

20

30

40

50

60

70

80

90


Link

leng

th (m

)

Channel/link lengths at 4,0 dB insertion loss/attenuation

Approximate conditions for Class D, E and F• lengths below 15m @ 100MHz• lengths below 30m @ 31.25MHz• lengths below 40m @ 20MHz• lengths below 60m @ 10MHz

Class DClass EClass FClass C

ISO/IEC 11801 (2002) and EN 50173-1






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Balanced Cabling


Multi-segment Cabling - I

Relaxation for short lengths appliesBUT risk of failure/marginal result

risk of failure/marginal result due to CP cord/cable


Minimum link NEXT (dB)Relaxation for short lengths applies

BUT risk of marginal resultrisk of failure/marginal result due to CP cord/cable


ISO/IEC 11801 (2002) and EN 50173-1

PP

Permanent link

CP

MUTOA/TO

PP CP

Channel

PPCC PP CC

MUTOA/TO

Relaxation for short lengths appliesBUT risk of failure/marginal result

due to CP cord/cables, patch and equipment cords


Minimum link NEXT (dB)Relaxation for short lengths applies

BUT risk of marginal result due to CP cord/cables, patch and equipment cords


ISO/IEC 11801 (2002) and EN 50173-1






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Balanced Cabling


Multi-segment Cabling - II

DEF

-20*log(10^(-0,05*(63,8-20*log(f)))+n*10^(-0,05*(75,1-20*log(f)))), 60 dB max.-20*log(10^(-0,05*(67,8-20*log (f)))+n*10^(-0,05*(83,1-20*log(f)))), 65 dB max.-20*log(10^(-0,05*(94,0-20*log (f)))+n*10^(-0,05*(90,0-15*log(f)))), 65 dB max.

1 ≤≤≤≤ f ≤≤≤≤ 1001 ≤≤≤≤ f ≤≤≤≤ 2501 ≤≤≤≤ f ≤≤≤≤ 600

Class Frequency Minimum channel ELFEXT (dB)

15

20

25

30

35

40

45

50

55

60

65

70


dB

ELFEXT

Class FChannel3 connection PL2-connection link

Class EChannel3 connection PL2-connection link

Class DChannel

3 connection PL2-connection link

n = 4

Minimum channel ELFEXT/PSELFEXT (dB)ISO/IEC, EN and ANSI/TIA/EIA

n = 3

Minimum PL ELFEXT/PSELFEXT (dB)ANSI/TIA/EIA-568-B.1

n = 2 or 3

Minimum link ELFEXT/PSELFEXT (dB)ISO/IEC 11801 (2002) and EN 50173-1

5e6

Category






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure




Design



ChannelPerformance

“using the reference implementations of clause ... andcompatible cabling components conforming to the

requirements of clauses ..., ... and ...,based upon a statistical approach of performance modelling.”

Return loss reductions• impedance mismatches between connection components

• impedance mismatches between cables• “standing wave” (quarter wavelength) effects

•NEXT/PSNEXT reductions• close proximity of multiple connections

Real risk of failure using compliant components

Real risk of marginal results using compliant components






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Balanced Cabling


Channels: Creation (and Re-Creation)

PP CP

PP CP TOCC

Equipment cord Patch cord Work area cord

PP CP TO

CP cord

PP CP TOCC

Equipment cord Patch cord Work area cord

INSTALLATION PHASE 1

INSTALLATION PHASE 2

MOVE AND CHANGE

CHANNEL BUILD 1

CP cord







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Balanced Cabling


Permanent Link - Channel Margin

5

7

9

11

13

15

17

19

21

23


dB

Class E Channel

RETURN LOSS

30

35

40

45

50

55

60

65

70


dB

NEXT

Class E PL Class E PL

Class E Channel






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Balanced Cabling


The Client - The Performance Manager


with Consolidation PointPP CP TOCC


PPCC PP CC





THE USER• configures up to 80% of each channel• defines 100% of channel performance

CHANNEL MANAGEMENT IS KEY TO NETWORK RELIABILITY






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Balanced Cabling


Link Limit Definition

ISO/IEC 11801 (2002), EN 50173-1 and ANSI/TIA/EIA-568-B.1

There are no restrictions on the length of equipment and patch cords,CP cords/cables or work area cords.

PPCC PP CC


PPMUTOA/

TOCC

CP Link

PP MUTOA/TOCC

Permanent Link





TP/CP






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Balanced Cabling


Link Conformance

ISO/IEC 11801 and EN 50173-1

Channel

ANSI/TIA/EIA-568-BDesign independent

Fixed limitDesign independent

Fixed limit

Permanent Link Design dependentFixed maximum implementation limit

Design independentFixed limit

CP Link No specified limitsDesign dependentFixed maximum implementation limit

Complex requirement-

Difficult to verify with TE

Simple requirement-

Inadequate QA

ISO/IEC 11801 (2002), EN 50173-1 and ANSI/TIA/EIA-568-B.1

PP PP

CP link PP

PP

CP

CPPP

MUTOA/TO

MUTOA/TOPermanent link






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Balanced Cabling


Length-Dependent Link Parameters

ISO/IEC 11801 (2002) and EN 50173-1

PP PP

CP link PP

PP

CP

CPPP

MUTOA/TO


n = number of connections within the link, L(m) = LFC + LCP where LFC = length of fixed cable, LCP = length of CP cord.

DEF

(L/100)*(1,9108*sqrt(f)+0,0222*f+0,2/sqrt(f))+n*0,04*sqrt(f), 4dB min.(L/100)*(1,82*sqrt(f)+0,0169*f+0,25/sqrt(f))+n*0,02*sqrt(f), 4dB min.(L/100)*(1,80*sqrt(f)+0,010*f+0,2/sqrt(f))+n*0,02*sqrt(f), 4dB min.

1 ≤≤≤≤ f ≤≤≤≤ 1001 ≤≤≤≤ f ≤≤≤≤ 2501 ≤≤≤≤ f ≤≤≤≤ 600

Class Frequency Maximum link insertion loss (dB)

n = number of connections within the link and Y = attenuation premium for the CP cable/cordL(m) = LFC+ LCP*Y where LFC = length of fixed cable and LCP = length of CP cord

D E FClass Max. link loop resistance (ΩΩΩΩ)

(L/100)*22 + n*0,4

Max. link delay skew (µµµµs)(L/100)*0,025 + n*0,00125

Max. link propagation delay (µµµµs)(L/100)*(0,534 +0,036/sqrt(f)) + n*0,0025D E F

D E F

Frequencyd.c

Class

Class






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Balanced Cabling


Margin-based Compliance


PPCC PP CC


PP

CP

CC WA

Maximum lengths, X and Y to be defined by designer

Where the maximum lengths of channel components to be added to the link are known andspecified for the cabling, the margin between the measured value of ……. and the channel limitsshall exceed the total ……. of:

• the specified maximum lengths of cords;• the specified maximum lengths of additional cables/connections. Margin statements

indicate that onlyattenuation/insertion lossand delay skew need to

be checked.

ISO/IEC 11801 (2002) and EN 50173-1

MUTOA/TO






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Balanced Cabling


Margin Calculation

ISO/IEC 11801 (2002) and EN 50173-1

The highest measured insertion loss/attenuation occurs atthe highest measurement frequency. The test equipmentwill have to report the margin between the measured valueand the channel limit at:• 100 MHz for Class D compliance;• 250 MHz for Class E compliance.

The installer has to check that the margin is acceptable.

Class EClass DConnection 0,2 dB 0,32 dBSolid cable 0,21 dB/m 0,33 dB/m

Stranded cable0,25 dB/m 0,40 dB/mUnscreened cable0,32 dB/m 0,50 dB/mScreened cable

INSERTION LOSS/ATTENUATION

DELAY SKEW

Delay skew is constant with frequency The installer has to check that the margin is acceptable.

Class EClass DConnection 1,25 ns

Cable 0,45 ns/m






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Conformance via Conformant Links

Design



ChannelPerformance

“Channel performance shall be assured where a channel is created by addingmore than one cord to either end of a conformant link”.






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Balanced Cabling


CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure



Channel Performance by Design

Design



ChannelPerformance

Delivered by designing the channel and the components within the channel(including the links)

with adequate margin to guarantee channel performanceunder specified conditions

Assurance should be sought from suppliers that the combinations of components withinconnecting hardware are able to meet the electrical and mechanical requirements …..

EN 50173-1






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Balanced Cabling


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Difference Analysis

Balanced Cabling



Optical Fibre ComponentsChannel Attenuation/Insertion Loss

Application Mapping

Statistical Modelling

Reference Implementations (EN 50173-1)

Link Attenuation/Insertion Loss

Acceptance Testing

Routes to Channel Conformance






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Balanced Cabling


OF Components - ANSI/TIA/EIA-568-B.3

IP

MultimodeOF

Singlemode OF

850nm1300nm

Attenuation coefficient(dBkm-1 max)

1,01,0

850nm1300nm

Modal bandwidth OFL (MHz.km min)

500500

1500500

850nm1300nm

Modal bandwidth LL (MHz.km min)

--

2000-

850nm1300nm

Propagation delay (ns.m-1 max) 5

1310nm1550nm

1310nm1550nm 5

Wavelength Wavelength50/125

Mating dimensions and gauging of TO connection Not specified

ConnectionMultimode OF Singlemode OF

AllAttenuation (dB max)

Return loss (dB min)Splice

100%<0,75 100%<0,3

Wavelength

100%<0,75 100%<0,3

All 20dB NA 26dB NAConnection Splice

ANSI/TIA/EIA-568-B.3 and B.3.1

OPTICAL FIBRE CABLES

OPTICAL FIBRE CONNECTING HARDWARE

3,51,5

5

50/12562.5/125

160500

--

5

OP0,50,5






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Balanced Cabling


OF Components - ISO/IEC and EN

OM3 OS1

Multimode OF Singlemode OF

850nm1300nm

Attenuation coefficient(dBkm-1 max)

1,01,0

850nm1300nm

Modal bandwidth OFL (MHz.km min)

1500500

850nm1300nm

Modal bandwidth LL (MHz.km min)

2000-

50/125 or 62.5/125

850nm1300nm

Propagation delay (ns.m-1 max) 5

1310nm1550nm

1310nm1550nm 5

Wavelength Wavelength50/125

Mating dimensions and gauging of TO connection IEC 60874-19-1 SC Duplex

ConnectionMultimode OF Singlemode OF

AllAttenuation (dB max)

Return loss (dB min)Splice

95%<0,5100%<0,75 100%<0,3

Wavelength

95%<0,5100%<0,75 100%<0,3

All 20dB NA 35dB NAConnection Splice

ISO/IEC 11801 (2002) and EN 50173-1

OPTICAL FIBRE CABLES

OPTICAL FIBRE CONNECTING HARDWARE

3,51,5

Interoperability is not guaranteedfor other types of interface

OM1 OM2

200500

--

5

500500

--

5






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Balanced Cabling


Channel Attenuation/Insertion Loss

ISO/IEC 11801 (2002) and EN 50173-1

OF-300OF-500OF-2000

Class

850nm 1300nm 1310nm 1550nmMultimode Singlemode

2,55 1,95 1,80 1,803,25 2,25 2,00 2,008,50 4,50 3,50 3,50

Attenuation (dB max.)

Length (m max.)

3005002000


Attenuation (dB max.)

Length (m max.)

Horizontalw/o Consolidation Point

850nm1300nm 100

2,0

Horizontalwith Consolidation Point

850nm1300nm 2,75

850nm1300nm

0.0035L + 0.75C + 0.3S0.0015L + 0.75C + 0.3S

1310nm1550nm

0.001L + 0.75C + 0.3S0.001L + 0.75C + 0.3S

1310nm1550nm

0.0005L + 0.75C + 0.3S0.0005L + 0.75C + 0.3S

BackboneMMF

BackboneIP SMF

BackboneOP SMF






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Balanced Cabling


Application Mapping

APPLICATION

ISO/IEC 11801 (2002) and EN 50173-1

OM3 OS1

ISO/IEC 8802-3: 10BASE-FL/FB OF-2000ISO/IEC 8802-5: TR 4/16 Mbit/s OF-2000ATM-52

ATM-155ATM-622

OF-2000 OF-2000

OF-2000 OF-2000OF-500

ISO/IEC 14165-1: FC-133 OF-2000

850nm 1300nm 1310nm

ISO/IEC 14165-1: FC-266 OF-2000 OF-2000 OF-2000OF-500ISO/IEC 14165-1: FC-531 OF-2000OF-500ISO/IEC 14165-1: FC-1062 OF-2000

CD 9314-9 FDDI-LCFOF-2000OF-500

ISO/IEC 9314-3 FDDIOF-2000ISO/IEC DIS 9314-4 FDDI

OF-2000ISO/IEC 8802-3: 100BASE-FX

IEEE 802-3: 1000BASE-SX OF-500IEEE 802-3: 1000BASE-LX OF-500 OF-2000

OF-300IEEE 802-3: 10GBASE-SR/SW

IEEE 802-3: 10GBASE-LR/LW OF-2000IEEE 802-3: 10GBASE-ER/EW

IEEE 802-3: 10GBASE-LX4 OF-300 OF-2000

1550nm

OF-2000

OF-500OF-300 OF-2000

OF CHANNEL CLASS






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Balanced Cabling


Link Attenuation/Insertion Loss

ANSI/TIA/EIA-568-B.1Channel Fixed limit

Link Design dependent


PP PP

CP link PP

PP

CP

CPPP

MUTOA/TO


ISO/IEC and ENFixed limit and design dependent

MMF850nm1300nm

0.0035L + 0.75C + 0.3S0.0015L + 0.75C + 0.3S

IP SMF1310nm1550nm

0.001L + 0.75C + 0.3S0.001L + 0.75C + 0.3S

OP SMF1310nm1550nm

0.0005L + 0.75C + 0.3S0.0005L + 0.75C + 0.3S

OMX 0.0035L + 0.75C + 0.3S0.0015L + 0.75C + 0.3S

OS1 0.001L + 0.75C + 0.3S0.001L + 0.75C + 0.3S






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Balanced Cabling


Statistical Modelling - I

2-connectionChannel

99.50% < 1.07 dB

1.07 = 0.71 x 1.5






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Difference Analysis

Balanced Cabling


Statistical Modelling - II

4-connectionChannel

99.50% < 1.73 dB

1.73 = 0.58 x 3.0






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Balanced Cabling


Acceptance Testing

EN 50346

EN61280-4-2

IEC 61280-4-1(underway)

ANSI/TIA/EIA-526-14-A

ANSI/TIA/EIA-526-7

Fibre optic communication subsystem basic test procedures - Part 4-2:Fibre optic cable plant - Single-mode fibre optic cable plant attenuation

OFSTP-14A Optical Power Loss Measurement of Installed MultimodeFiber Cable Plant (ANSI/TIA/EIA-526-14A-98)

OFSTP-7 Measurement of Optical Power Loss of Installed Single-ModeFiber Cable Plant (ANSI/TIA/EIA-526-7-98)

Information technology - Cabling installation-Testing of installed cabling

Fibre optic communication subsystem basic test procedures - Part 4-1:Fibre optic cable plant - Multimode fibre optic cable plant attenuation

Light source Power meterGrade 1• simplex

• single wavelength

λλλλ1Component- based

Light source Power meterGrade 2• simplex

• dual wavelength

λλλλ1

λλλλ2 λλλλ1/λλλλ2

Component- based

Light source Power meterGrade 5• duplex

• auto dual wavelength

λλλλ1/λλλλ2

λλλλ1/λλλλ2

System-basedPower meter Light source






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Balanced Cabling


Measurement Error

100 200 300 400 500 600 700 800 900 1000

5.0dB

4.0dB

3.0dB

2.0dB

1.0dB

-1.0dBChannel length (m)

Channel

Connection: 0.75 dB max., 0.5 dB statistically, 0.0 dB feasiblyCable: 3.5 dBkm-1 max., 3.0 dBkm-1 typically

Theoretical worst caseTypical worst case inc. METypical worst case

Best case inc. MEBest case






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The Real World

-0.01

0

0.01

0.02

0.03

0.04

0.05

0.06

-0.5 0 0.5 1 1.5 2Link attenuation (dB)

% o

f res

ults

Courtesy of The Cabling Partnership3200 results, Data Centre






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MMF Launch Conditions

Launch condition containsunwanted cladding modes.

Test measurement reads HIGH.

Launch conditiondoes not contain all modes.

Test measurement reads LOW.

Launch condition reflectsinstalled cable transmission

Test measurement readsCORRECTLY.

Launch condition containshigh order modes

(not transmitted in installed cable).Test measurement reads HIGH.






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Mandrel Wrap

5 NON-OVERLAPPING TURNS

D (mm)

62.5/125 17

SMF N.A.

62.5/125 20CableSCOF

D

50/125 1850/125 15Cable

SCOF

Source: EN 50346, IEC 61300-3-4, IEC 61300-3-34

ISO/IEC 11801 (2002) AND EN 50173-1 ANSI/TIA/EIA-568-B.1

62.5/125 17

SMF N.A.

62.5/125 20CableSCOF

D

50/125 2550/125 22Cable

SCOF






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Reference Implementations (EN 50173-1)

EN 50173-1

PPCC PP CC

L (metres)

OF-300OF-500OF-2000

Class 850 nm

Multimode L = 735-145x-90yL = 935-145x-90yL = 2435-145x-90y

Cable Category

Singlemode

Cable Category

OM1, OM2, OM3

OS1OF-300OF-500OF-2000

Class

1300 nmL = 1300-330x-200yL = 1500-330x-200yL = 2435-330x-200y

1310 nmL = 1800-500x-300yL = 2000-500x-300yL = 3500-500x-300y

1550 nm

L = 2000-500x-300yL = 3500-500x-300y

L = 1800-500x-300y



L max. (m)3005002000

L max. (m)3005002000

x = no. of mated connections in the channely = no. of splices in the channel

Formulae not includedISO/IEC 11801 (2002)






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CONFORMANCEto

ISO/IEC 11801 (2002)EN 50173-1

Structure




Design



ChannelPerformance

“using the reference implementations of clause ... andcompatible cabling components conforming to the

requirements of clauses ..., ... and ...,based upon a statistical approach of performance modelling.”






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An Introduction to ANSI/TIA/EIA-568-B - TCP Online Home Conformance to ISO/IEC 11801 and EN 50173-1...

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Transcript of An Introduction to ANSI/TIA/EIA-568-B - TCP Online Home Conformance to ISO/IEC 11801 and EN 50173-1...