Standard update 11.9.02

Structured Cabling Standard Updates By Anton Indrawata Regional Trainer 23 Standards Framework Mandatory Local Authority Technical Standards: Cable and cabling components (Permit or CCL required) Wiring Practices (particularly separations/segregation's) Industry Recommendations 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 bandwidth up to 250 MHz parameters EIA/TIA 569A: Design and installation practices of cabling pathways, spaces, support structures, termination, cross connect enclosures and cable entrance facilities EIA/TIA 606: Administration of communications cabling systems includes plant symbols, cable records and component labeling 23 Cabling Standardisation history Cat Cat3 Cat4 TIA/ EIA TIA 568 + TSB 36 + TSB 40A = TIA 568A Cat 5E + TSB 67,72,75 Cat 6, + TIA568A = TIA 568-B Add 1-5 1,2,3 TIA 568B.2-1 Class D New Class D Class E, F ISO ISO 11801 ISO 11801 Add 1-2 ISO 11801 Ed.2 CENELEC EN 50173 1991 1995 EN 50173 Add 1999 2000 EN 50173 Ed.2 23 2001 2002 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11801 – 1995: Generic Cabling for Customer Premises Defines performance of Category / Class D of Basic and Channel Link Superseded by ISO/IEC 11801 2nd edition 2002 ISO/IEC 11801 AMENDMENT2- 1999 Major update to ISO/IEC 11801 – 1995 Adds requirements for new measurements, defines Permanent Link and Channel Harmonized with EIA/TIA 568B Cat 5E ISO/IEC 11801 2nd edition – 2002 The 2nd edition incorporate specifications for Category / Class E and Category / Class F cabling components 23 CENELEC Standards history EN 50173 - 1995: Generic Cabling Standard for Customer Premises Specifies generic cabling for use within commercial premises Very similar to ISO 11801 Amendment 1999 add permanent link and channel definitions as well as new measurement parameters EN 50173 – 2000 2nd edition To harmonize with ISO 11801 2nd edition and include specifications of Category / Class E and Category / Class F cabling components EN 50174-1-1999: Administration, documentation, records Describes requirements for administration system, documentation of pathway, spaces, cables, terminations, grounding in accordance with EN 50173 23 North American Standards history EIA/TIA 568A - 1995: Commercial Building Telecommunications Wiring Standard Establishes technical and performance criteria for cabling system configuration, interfacing and connecting hardware EIA/TIA 568A-A1 – 1998: Delay & Delay Skew Defines and specifies requirement s for propagation delay and delay skew in cables, components, basic link and channels Replaced by EIA/TIA 568B TIA 568A-A2 – 1998: Miscellaneous Changes Requirement for testing connecting hardware with both common and differential mode terminations Replaced by EIA/TIA 568B 23 North American Standards history EIA/TIA 568A-A3 – 1998: Bundled and Hybrid Cables Defines and specifies requirement for testing of bundled and hybrid cables Replaced by EIA/TIA 568B EIA/TIA 568A-A4 – 1999: Patch Cords Defines and specifies NEXT and RL for patch cables Replaced by EIA/TIA 568B EIA/TIA 568A-A5 – 1999: Additional Transmission Performance Specifications for Enhanced Category Cabling Provides performance requirements for Enhanced Category components, cables and links; includes all the measurements in TSB67 and TSB95, Replaced by EIA/TIA 568B 23 North American Standards history EIA/TIA 568B.1 – 2000: Commercial Building Telecommunications Wiring Standard 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 Include Category 5E performance levels, 50/125um fiber Category 5E becomes the minimum accepted performance level EIA/TIA 568-B.2: 100 Ohm Twisted Pair Cabling Standard Technical content 0n 100 Ohm twisted pair cabling referenced by TIA 568-B.1 EIA/TIA 568 – B.2-1: Category This Cat.6 standard has been ratified on June 20,2002, the most complete document providing Category performance specifications 23 North American Standards history EIA/TIA 568-B.3: Optical Fibre Cabling Standard 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 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 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 Specifies residential cabling systems, requirements and structure 23 North American Standards history EIA/TIA 606 – 1994: Administration Standard for the Telecommunications Infrastructure of Commercial Buildings Specifies administration of communications wiring and connecting hardware, building distribution systems, grounding and bonding 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 Defines the basic link and channel Specifies performance requirements for the basicl link and channel, wire map, length, attenuation, NEXT Defines field measurement procedures and test instruments requirements; replaced by EIA/TIA 568B 23 ISO 11801 Classes of applications for Permanent Links and Channels CLASS D (OLD) TO ISO 11801:96: Link bandwidth up to 100MHz 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 Category 5E components are specified with additional transmission parameters required to support pairs bidirectional transmission applications such as IEEE 802.3 1000 Base T CLASS E: Link bandwidth up to 250MHz Category components for transmission rate up to 2.5 Gigabit/s Channel PSACR > at 200 MHz 23 ISO 11801 Classes of application for Permanent Links and Channels CLASS F: Link bandwidth up to 600MHz Category components for future ultra high speed data transmission applications Cabling consists of four individually shielded twisted pairs Nominal impedance 100 Ω PSACR > at 500 MHz 23 ISO 11801 Classes & Link Lengths achievable Medium Category balanced cable Category balanced cable Category balanced cable 150Ω balanced cable Multimode Optical Fibre Singlemode Optical Fibre Class A Km Km Km Km N/A N/A Class B 200m 260 m 260 m 400 m N/A N/A Class C 1) 100 m 2) 150 m 2) 160 m 2) 250 m N/A N/A Class D Optical Link 1) 100 m -2) 150 m -3) N/A km 4) N/A km 23 A quick comparison of Cat.5, Cat5e & Cat.6 standard requirements 23 Recommended Cable Types Horizontal Cabling 100 ohm, 22 ( 0.64 mm ) to 24 AWG (0.51mm) Ø balanced twisted pair Unshielded or Shielded, Category 5E to one or both TO’s OR 100 ohm, 22( 0.64 mm) to 24 AWG (0.51mm) Ø balanced pair Unshielded or Shielded Category 5E to one TO and optical fibre 62.5/125 µm or 50/125 µm to the other TO Backbone Cabling Optical fibre - 62.5/125µm or 50/125 µm multimode Balanced cable - multipair - 100 ohm ( preferred ), category which is mainly used for telephony, fax, internet connections Optical fibre - single mode 9/125 µm for special applications and future 10000 Base T Ethernet application 23 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 23 ISO 11801: Provisioning - Work Area: One work position per10 m² (desirable) Minimum of outlets per work position, typically one for voice, one for data Backbone (riser) pairs = 50% to 75% of horizontal cable pair count Adequate space and hardware to expand to terminate backbone pairs to horizontal pairs on 1:1 basis 23 ISO 11801: Provisioning - Floor Distributors: Minimum of one per floor One per 1000 m² of office floor space A sparsely populated area, such as a lobby, may be fed from the FD on an adjacent floor Telecommunication Closets: Shall have direct access to the backbone cabling via its cross-connect Shall provide space for power, cross-connections, active devices, cabling terminations, public network interfaces where it houses network boundary 23 ISO 11801: Provisioning - Telecommunication Outlets: Minimum of two per work position In accessible positions on walls, floor or desk mounting as per bilding design To a high floor density e.g two TO’s per 10 m² of useable floor space Shall be permanently and uniquely labeled Adaptors, baluns, terminations, etc, shall be mounted external to TO’s Dual Category 5E, UTP cables to each outlet, the preferred option Inserts at TO’s allowed if ISO 11801 sheath compatibility is guidelines are maintained 23 ISO 11801: Provisioning - Maximum Cable Lengths: 90 meters horizontal, closet to work position outlet, continuous, no splices meters work position outlet to equipment meters patch cords at Telecommunication Room (TR) 23 Colour Coding to EIA/TIA 568 A and B Pair Pair Pair 3 Pair Pair Pair W-G G W-O BL W-BL O W-BR BR T 568A (a) Front view of socket showing one pin/pair assignment This is ISO Preferred colour coding Legend BR - brown BL - blue G - green O - orange W - white Pair Pair W-O O W-G BL W-BL G W-BR BR T 568B (b) Front view of socket showing alternative pin/pair assignment This is EIA/TIA preferred colour coding 23 MUTO Design Rules MUTO should: Be located in an open area Each served furniture cluster with no more than 12 work stations Visibly labeled for maintenance and reconfiguration Max length of work area cables from MUTO to equipment is 20 m, but this limits horizontal cable length as per Table Each MUTO shall be marked with the max allowable work area cable length as set by the length of the horizontal cable run Assuming a total of 7m of patch cord & equipment cables at FD, the Table attached sets the max length of the horizontal cable run for given work area cable lengths 23 Consolidation Point ( CP ) A consolidation point contains no jacks The horizontal cable is directly connected (i.e., not cross-connected) to the solid-core 4-pair cables serving the individual work areas using IDC-type hardware A standard "RJ45" jack is installed at the work area 4-pair Horizontal distribution cable (s) Work area cables Horizontal distribution cable (s) CP FD 23 Consolidation Point (CP) Design Rules A CP should : Serve no more than a cluster of 12 work stations Be located in fully accessible permanent location Not located in furniture unless furniture is permanently secured to building structure Be placed at least 15 m away from the Floor Distributor Cross connections shall not be used at CP’s No more than one CP per horizontal cabling run A TP and CP shall not be used in same horizontal cable run A CP shall be hard wired 1:1 using IDC hardware to the same or higher category than the cable Each run exiting a CP shall terminate on a TO or MUTO socket 23 Compliance testing is from FD through the CP to the MUTO Consolidation Point ( CP ) Consolidation Point Maximum Length of Work Group Cables iẫồệớĩ=ỗẹ=ĩỗờỏũỗồớ~ọ=ẹỏủẫầ= ~ọỏồệ=EeF j~ủỏóỡó=ọẫồệớĩ=ỗẹ=ùỗờõ=ệờỗỡộ= ~ọẫ=EtF j~ủỏóỡó=ỗóỏồẫầ=ọẫồệớĩ= ỗẹ=ùỗờõ=ệờỗỡộ=~ọẫở=EtFI= ộ~ớĩ=ỗờầở=EvFI=ẫốỡỏộóẫồớ= ~ọẫở=EuF====E`F VM P NM UR S NP UM V NS TR NP OM TM NS OP SM OM OT 23 ... EIA/TIA 568B 23 North American Standards history EIA/TIA 568B.1 – 2000: Commercial Building Telecommunications Wiring Standard This is a major standard release that updates and replaces: TSB67,... Telecommunications Wiring Standard Specifies residential cabling systems, requirements and structure 23 North American Standards history EIA/TIA 606 – 1994: Administration Standard for the Telecommunications... grounding in accordance with EN 50173 23 North American Standards history EIA/TIA 568A - 1995: Commercial Building Telecommunications Wiring Standard Establishes technical and performance criteria