Standard update 11.9.02

Standards Framework „ Mandatory z Local Authority Technical Standards: z Cable and cabling components Permit or CCL required z Wiring Practices particularly separations/segregation's „ I

Standards Framework

„ Mandatory

z Local Authority Technical Standards:

z Cable and cabling components (Permit or CCL required)

z Wiring Practices (particularly separations/segregation's)

„ Industry Recommendations

z ISO/IEC 11801 & EIA/TIA 568 B : Structured Cabling Design,

dimensions, component specification, installation practices, compliance testing, Class D or Cat.5E bandwidth up to100MHz, Class E or Cat 6 bandwidth up to 250 MHz parameters

z EIA/TIA 569A: Design and installation practices of cabling pathways,

spaces, support structures, termination, cross connect enclosures and cable entrance facilities

z EIA/TIA 606: Administration of communications cabling systems includes

plant symbols, cable records and component labeling

ISO 11801

ISO 11801 Add 1-2

EN 50173

EN 50173 Add 1

Cat3 Cat4

2002

EN 50173 Ed.2

2000

ISO/IEC 11801 Standards history

„ The first and most important document in this series is ISO/IEC 11801

„ ISO/IEC 11801 – 1995: Generic Cabling for Customer Premises

z Defines performance of Category 5 / Class D of Basic and Channel Link

z Superseded by ISO/IEC 11801 2 nd edition 2002

„ ISO/IEC 11801 AMENDMENT2- 1999

z Major update to ISO/IEC 11801 – 1995

z Adds requirements for new measurements, defines Permanent Link and

Channel

z Harmonized with EIA/TIA 568B Cat 5E

„ ISO/IEC 11801 2nd edition – 2002

z The 2nd edition incorporate specifications for Category 6 / Class E and

Category 7 / Class F cabling components

CENELEC Standards history

„ EN 50173 - 1995: Generic Cabling Standard for Customer Premises

z Specifies generic cabling for use within commercial premises

z Very similar to ISO 11801

z Amendment 1999 add permanent link and channel definitions as well as

new measurement parameters

„ EN 50173 – 2000 2nd edition

z To harmonize with ISO 11801 2nd edition and include specifications of

Category 6 / Class E and Category 7 / Class F cabling components

„ EN 50174-1-1999: Administration, documentation, records

z Describes requirements for administration system, documentation of

pathway, spaces, cables, terminations, grounding in accordance with EN 50173

North American Standards history

„ EIA/TIA 568A - 1995: Commercial Building Telecommunications Wiring

Standard

z Establishes technical and performance criteria for cabling system

configuration, interfacing and connecting hardware

„ EIA/TIA 568A-A1 – 1998: Delay & Delay Skew

z Defines and specifies requirement s for propagation delay and delay

skew in cables, components, basic link and channels

z Replaced by EIA/TIA 568B

„ TIA 568A-A2 – 1998: Miscellaneous Changes

z Requirement for testing connecting hardware with both common and

differential mode terminations

z Replaced by EIA/TIA 568B

North American Standards history

„ EIA/TIA 568A-A3 – 1998: Bundled and Hybrid Cables

z Defines and specifies requirement for testing of bundled and hybrid

cables

z Replaced by EIA/TIA 568B

„ EIA/TIA 568A-A4 – 1999: Patch Cords

z Defines and specifies NEXT and RL for patch cables

z Replaced by EIA/TIA 568B

„ EIA/TIA 568A-A5 – 1999: Additional Transmission Performance

Specifications for Enhanced Category 5 Cabling

z Provides performance requirements for Enhanced Category 5

components, cables and links; includes all the measurements in TSB67 and TSB95, Replaced by EIA/TIA 568B

North American Standards history

„ EIA/TIA 568B.1 – 2000: Commercial Building Telecommunications

Wiring Standard

z This is a major standard release that updates and replaces: TSB67,

TSB72, TSB75, TSB95, TIA 568A and its addendum’s 1,2,3,4,5 and TIA ScTP

z Include Category 5E performance levels, 50/125um fiber

z Category 5E becomes the minimum accepted performance level

„ EIA/TIA 568-B.2: 100 Ohm Twisted Pair Cabling Standard

z Technical content 0n 100 Ohm twisted pair cabling referenced by

TIA 568-B.1

„ EIA/TIA 568 – B.2-1: Category 6

most complete document providing Category 6 performance specifications

North American Standards history

„ EIA/TIA 568-B.3: Optical Fibre Cabling Standard

z Technical content on optical fibre cabling that is referenced by EIA/TIA

568-B.1

„ EIA/TIA 568-B.4: Shielded Twisted Pair Cabling Standard

z Technical content on shielded twisted pair cabling that is referenced by

EIA/TIA 568-B.1

„ EIA/TIA 569A – 1995: Commercial Building Standard for

Telecommunications Pathways and Spaces

z Specifies design and construction of pathways and spaces, installation

practices for telecommunications services within and between commercial buildings

„ EIA/TIA 570A – 1998: Residential and Light Commercial

Telecommunications Wiring Standard

z Specifies residential cabling systems, requirements and structure

North American Standards history

„ EIA/TIA 606 – 1994: Administration Standard for the

Telecommunications Infrastructure of Commercial Buildings

z Specifies administration of communications wiring and connecting

hardware, building distribution systems, grounding and bonding

z Standardized labeling and documentation requirements for generic

cabling in commercial buildings

„ EIA/TIA TSB67 – 1995: Transmission Performance Specifications for

Field Testing of UTP Cabling Systems

z Defines the basic link and channel

z Specifies performance requirements for the basicl link and channel, wire

map, length, attenuation, NEXT

z Defines field measurement procedures and test instruments

requirements; replaced by EIA/TIA 568B.

North American Standards history

„ EIA/TIA TSB72 – 1995: Centralized Optical Fiber Cabling Guidelines

z Replaced by EIA/TIA 568B

„ EIA/TIA TSB75 – 1996: Additional Horizontal Cabling Practices for

Open Offices ( Consolidation Points & MUTOA )

z Replaced by EIA/TIA 568B.

„ EIA/TIA TSB95 – 1999: Additional Transmission Performance

Specification for UTP

z For Gigabit Ethernet: defines minimum test requirements for RL,

ELFEXT, Powersum ELFEXT, propagation delay and delay skew

z Replaced by EIA/TIA 568B

Amendment of EIA/TIA 568A, Summary

„ Recognition of 100 Ohm ScTP ( FTP) cabling

„ Deletion of 150 ohm STP cabling as recognized cable for new

installation

„ Recognition of 50/12 5µm multimode fibre cabling for both horizontal

and backbone applications

„ Removal of Category 4 specifications

„ Deletion of Category 5 cabling as recognized cable for new installation

„ A min of Category 5E recommended at the first telecommunications

outlet and a min of Cat5E required for the second TO or 50/125 µm or

62/125 µm multimode optical cable.

CENELEC Standards history

„ EN 50173 - 1995: Generic Cabling Standard for Customer Premises

z Specifies generic cabling for use within commercial premises

z Very similar to ISO 11801

z Amendment 1999 add permanent link and channel definitions as well as

new measurement parameters

„ EN 50173 – 2000 2nd edition

z To harmonize with ISO 11801 2nd edition and include specifications of

Category 6 / Class E and Category 7 / Class F cabling components

„ EN 50174-1-1999: Administration, documentation, records

z Describes requirements for administration system, documentation of

pathway, spaces, cables, terminations, grounding in accordance with EN 50173

CENELEC Standards history

„ EN 50174-2-2000: Planning and installation practises

z Specifies requirements for planning, specification, quality, assurance

and installation of new balanced copper and optical fibre

„ EN 50174-3-1999: Installation, Planning and Practises External to

Buildings

z Details requirements and guidance for installation, planning and

practises for balanced copper and optical fibre external to buildings

„ EN 50346-2000: Procedure for Testing Premise Cabling

z Specifies procedures for testing the transmission performance of

installed cabling inpremises

z To be used for acceptance testing, verification, and trouble shooting of

faults

CENELEC Standards history

„ EN 50173 - 1995: Generic Cabling Standard for Customer Premises

z Specifies generic cabling for use within commercial premises

z Very similar to ISO 11801

z Amendment 1999 add permanent link and channel definitions as well as

new measurement parameters

„ EN 50173 – 2000 2nd edition

z To harmonize with ISO 11801 2nd edition and include specifications of

Category 6 / Class E and Category 7 / Class F cabling components

„ EN 50174-1-1999: Administration, documentation, records

z Describes requirements for administration system, documentation of

pathway, spaces, cables, terminations, grounding in accordance with EN 50173

Comparison between EIA/TIA, ISO & CENELEC

Comparison between EIA/TIA, ISO & CENELEC

Comparison between EIA/TIA, ISO & CENELEC

Comparison between EIA/TIA, ISO & CENELEC

Notes:

ISO 11801, General Purposes

„ Structured Cabling Elements:

z Campus Distributor (CD) - previously campus MDF

z Campus Backbone cabling

z Building Distributor (BD) - previously building MDF

z Building backbone cabling

z Floor Distributor (FD) - previously floor IDC or TC

z Horizontal (floor) cabling

z Transition Point (TP) - optional and should be avoided

z Telecommunications Outlet (TO)

z Consolidation Point (CP)

z MUTO - Multi User Telecommunications Outlet

Campus Application of

Generic Cabling System

FLOOR DISTRIBUTOR equipped with:

FD

Campus cabling

Incoming services PSTN, ISDN etc.

Cross connect Active and Passive components

Optical-electrical converters LAN Hubs, Bridges, Routers etc.

Building entry facilities

Equipment room PABX, Data switch etc.

Campus cabling

PSTN Building entry facilities

Equipment room PABX, Data switch etc.

ISO 11801: Cabling Sub-Systems

Universal Cabling System

Campus cable

Building Backbone Cable

Workplace Cable Horizontal Cable

Cross connect - Jumper or Patchcord

FD BD

Horizontal Cable

1,500 m

FD BD

„ CD or BD Patch Cords 20 M

„ Equipment Interface Cabling 30 M

„ TO Fly Lead to Equipment 2.5 M

Permanent Link ISO 11801: 2002

Basic Link ISO 11801:1995

Channel Permanent Link

CP Link

C

C C

CP

CP Cable Work Area

Channel = 100m max.

Fixed horizontal cable

EQP

Work Area Cord

Equipment Cord

TO

C

Channel = 100m max.

Work Area Cord

Channel = 100m max.

Fixed horizontal cable

C C C

CP

CP Cable Work Area

Cord

Equipment Cord

TO

CP Cable Work Area

Test from HERE to HERE

Hierarchy Allowed in Backbone Cabling Design

Main Cross-connect

Intermediate

Telecommunications Closets (Not Counted)

Telecommunications Closets (Not Counted)

Only Two Order of Cross Connect

ISO 11801 Classes of applications for

Permanent Links and Channels

„ CLASS A: Link bandwidth up to 100KHz

z Category 1 components for speech band such as fax, internet, Up to 192Kb/s

basic rate ISDN.

z Not recognized by ANSI/EIA/TIA 568-A standard

„ Class B: Link bandwidth up to 1 MHz

z Category 2 components for video conferencing, up to 2 Mb/s primary rate ISDN

z Not recognized by ANSI/EIA/TIA 568-A standard

„ CLASS C: Link bandwidth up to 16MHz

z ANSI/EIA/TIA 568-A: Category 3 specified cable and hardware components up

to 16 MHz for voice and data rates up to 10 Mb/s; e.g IEEE 802.3 10 Base T, IEEE 802.5 4Mb/s

z ANSI/EIA/TIA 568-A: Category 4 specified cable and hardware components up

to20 MHz for voice and data rates up to and incuding 16 Mb/s; e.g IEEE 802.5

16 Mb/s

ISO 11801 Classes of applications for

Permanent Links and Channels

„ CLASS D (OLD) TO ISO 11801:96: Link bandwidth up to

100MHz

z Used for voice and data rates greater than 16Mb/s up to 100Mb/s for

applications e.g IEEE 802.5 16Mb/s, 100 Base T, 155 Mb/s ATM, ANSI X3T9.5 100 Mb/s TP-PMD

„ CLASS D (NEW) TO ISO 11801:2000: Link bandwidth up to

100MHz

z Category 5E components are specified with additional transmission

parameters required to support 4 pairs bidirectional transmission applications such as IEEE 802.3 1000 Base T

„ CLASS E: Link bandwidth up to 250MHz

z Category 6 components for transmission rate up to 2.5 Gigabit/s

„ Channel PSACR > 0 at 200 MHz

ISO 11801 Classes of application for

Permanent Links and Channels

„ CLASS F: Link bandwidth up to 600MHz

z Category 7 components for future ultra high speed data

transmission applications

z Cabling consists of four individually shielded twisted pairs

z Nominal impedance 100 Ω

z PSACR > 0 at 500 MHz

ISO 11801

Classes & Link Lengths achievable

Medium Class A Class B Class C Class D Optical Link

Category 3 balanced cable 2 Km 200m 100 m1) Category 4 balanced cable 3 Km 260 m 150 m2) Category 5 balanced cable 3 Km 260 m 160 m2) 100 m1) 150Ω balanced cable 3 Km 400 m 250 m2) 150 m2) Multimode Optical Fibre N/A N/A N/A N/A 2 km 3)

Singlemode Optical Fibre N/A N/A N/A N/A 3 km 4)

A quick comparison of Cat.5, Cat5e &

Cat.6 standard requirements

Recommended Cable Types

„ Horizontal Cabling

z 100 ohm, 22 ( 0.64 mm ) to 24 AWG (0.51mm) Ø balanced twisted 4 pair

Unshielded or Shielded, min Category 5E to one or both TO’sOR

z 100 ohm, 22( 0.64 mm) to 24 AWG (0.51mm) Ø balanced 4 pair

Unshielded or Shielded min Category 5E to one TO and optical fibre62.5/125 µm or 50/125 µm to the other TO

„ Backbone Cabling

z Optical fibre - 62.5/125µm or 50/125 µm multimode

z Balanced cable - multipair - 100 ohm ( preferred ), min category 3 which

is mainly used for telephony, fax, internet connections

z Optical fibre - single mode 9/125 µm for special applications and future

10000 Base T Ethernet application

ISO 11801Additional planning rules

„ No mixing of cables with different nominal impedance in a balanced

cable link.

„ No mixing of optical fibers of different core / cladding diameter in a

cable link

„ No multiple appearances of the same pairs eg.: bridging, teed cabling

„ A cabling link consisting of different cable component categories is

rated at the lowest category of any component in the link

ISO 11801: Provisioning - 1

„ Work Area:

z One work position per10 m² (desirable)

z Minimum of 2 outlets per work position, typically one for voice, one for data

z Backbone (riser) pairs = 50% to 75% of horizontal cable pair count

z Adequate space and hardware to expand to terminate backbone pairs to

horizontal pairs on 1:1 basis

ISO 11801: Provisioning - 1

„ Floor Distributors:

z Minimum of one per floor

z One per 1000 m² of office floor space

z A sparsely populated area, such as a lobby, may be fed from the FD on

an adjacent floor

z Shall have direct access to the backbone cabling via its cross-connect

z Shall provide space for power, cross-connections, active devices,

cabling terminations, public network interfaces where it houses network boundary

ISO 11801: Provisioning - 2

„ Telecommunication Outlets:

z Minimum of two per work position

z In accessible positions on walls, floor or desk mounting as per bilding

design

z To a high floor density e.g two TO’s per 10 m² of useable floor space

z Shall be permanently and uniquely labeled

z Adaptors, baluns, terminations, etc, shall be mounted external to TO’s

z Dual Category 5E, UTP cables to each outlet, the preferred option

z Inserts at TO’s allowed if ISO 11801 sheath compatibility is guidelines

are maintained

ISO 11801: Provisioning - 2

„ Maximum Cable Lengths:

z 90 meters horizontal, closet to work position outlet, continuous, no

splices

z 5 meters work position outlet to equipment

z 5 meters patch cords at Telecommunication Room (TR)