Cabling and LAN Standards News

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Cabling and LAN StandardsNews Trends

• Herb Congdon
• Director, Systems Marketing

With
Tony Beam, RCDD Director Fiber Business Unit
Jerry Solomon, RCDD Manager Copper Systems
Marketing
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Expectations for Todays Seminar

• Recent Developments in Industry Standards Forums
• TIA TR 42
• IEEE 802.3
• In-progress Standards
• Category 6
• 850nm Laser Optimized 50/125 Fiber
• New Projects
• Data Centers
• Standards Revisions

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TIA/EIA-568-B

• Divided into three sections
• B.1 General Requirements (TR 42.1)
• B.2 Balanced Twisted-Pair Cabling Components (TR
  42.7)
• B.3 Optical Fiber Cabling Components (TR 42.8)
• All sections released

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TIA/EIA-568-B.1 General Requirements

• Incorporated Refined 568-A Addenda
• A-1, Propagation Delay and Delay Skew
  Specifications for 100 ? 4-Pair Cable
• A-2, Corrections and Additions
• A-3, Addendum No. 3 (Bundled Cable)
• A-4, Production Modular Cord NEXT Loss Test
  Method and Requirements for Unshielded
  Twisted-Pair Cabling
• A-5, Transmission Performance Specifications for
  4-Pair 100 ? Category 5e Cabling

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TIA/EIA-568-B.1 General Requirements

• Incorporated Refined TSBs
• TSB67, Transmission Performance Specifications
  for Field Testing of Unshielded Twisted-Pair
  Cabling Systems
• TSB72, Centralized Optical Fiber Cabling
• TSB75, Additional Horizontal Cabling Practices
  for Open Offices
• TSB95, Additional Transmission Performance
  Guidelines for 4-Pair 100 ? Category 5 Cabling
• IS-729, Technical Specifications for 100 ?
  Screened Twisted-Pair Cabling

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TIA/EIA 568-B.1 Copper Cabling

• Work Area Cords from 3 to 5 Meters
• Was 3 and 6, Now 5 and 5
• Incorporation of Open Office Cabling (TSB75)
• Permanent Link vs. Basic Link
• Category 5e Is Now the Minimum Performance for
  Data Grade Twisted Pair Cable
• Category 5 Is Now in Annex D

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TIA/EIA-568-B.2 Copper Components

• Electrical and Mechanical Performance
  Requirements for Twisted Pair Cables, Connecting
  Hardware and Assemblies Now in a Separate
  Document
• Cat 4 Is Gone, Cat 5 Is on Its Way Out, Category
  5e Is In
• Test Procedures for and Requirements for Cat 5e
  Patch Cords
• Requirements Added for Screened Cable and
  Connectors

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Category 5e Product Update

• Two grades of cable
• 200 MHz and 350 MHz
• Two outlet jack styles
• 110Connect
• SL Series Toolless
• Complete line of patch panels and cable
  assemblies
• Independent confirmation of system performance
• 25-year System Warranty

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TIA/EIA 568-B.1 Fiber Cabling

• Connector Recommendations Removed
• SC Duplex and BFOC (ST-style) Allowed
• Small Form Factor Connectors Allowed Throughout
  the Network
• NOTE Includes work area
• Incorporates Centralized Cabling (TSB-72)
• Changes Riser Length to 300m
• Changes Campus Backbone to 1700m
• 50/125 Added as a Recognized Media
• Horizontal, Riser, Campus
• Singlemode Remains in Riser and Campus
• Note Not recognized in horizontal

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TIA/EIA-568-B.3 Fiber Components

• Optical Fiber Cabling Components Standard
• Published in April 2000
• Cables, Connecting Hardware, Patch Cords and
  Field Test Measurements
• Annex A Connector Performance
• Annex B Bibliography

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Fiber Cables

• Recognizes 50/125 µm Multimode Fiber
• References ICEA-640 and ICEA-596
• Minimum Bend Radius and Maximum Pulling Tensions
  for Horizontal Cable, Inside Plant Cable, and
  Outside Plant Optical Fiber Cable

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Fiber Selection Roadmap
Lower Cost Electronics _at_ 850 nm
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Fiber Connecting Hardware

• Defines Performance Requirements for All
  Connectors, Including Small Form Factor (SFF)
  Connectors
• Shift to Connector Performance Standards
• Attenuation and Return Loss Limits
• Environmental and Mechanical Testing

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Connecting Hardware

• Connecting Hardware for Centralized Cabling
• Nine Requirements
• Connector Attenuation
• Unchanged
• Connector Return Loss Limits
• Additional Consideration for Broadband on SM

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SFF Connectors

• What is a Small Form Factor (SFF) Connector?
• An Optical Fiber Duplex Connector With a Size
  Approximating That of an 8-position Modular
  Outlet/connector Typically Used for Terminating
  4-pair Copper Cable
• What Does 568 B.3 Allow?
• Any Connector Which Meets the Following
• Compliance With an Approved FOCIS Document
• Performance Requirements of Annex A

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Why Small Form Factor?

• Technological Advances
• Ease of Termination
• Standards-Based Performance
• Cost Advantages
• Less Expensive Than Current Duplex
• Density Advantages
• Less Expensive Components

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568-B.3 Product Update MT-RJ

• Duplex Design Two Fibers in One Ferrule
• Plug Jack
• Field-terminable Jacks
• Factory-Terminated Cable Assemblies
• Highest Density Twice SC or ST-Style
• Fastest Installation
• No Epoxy, No Polish, No Crimp
• Throwaway Tool
• Reterminatable and Tunable
• Patch Panels, Faceplates, Active Components
• Gigabit Ethernet Compliant

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Small Form Factor Connectors

• FOCIS-12 MT-RJ
• Approved SFF FOCIS Document
• Also Approved at Fibre Channel
• MT-RJ Meets or Exceeds Annex A Requirements
• ? AMP MT-RJ is Allowed for TIA-568-B Compliant
  Networks

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Inside Plant Cable

• Must meet ICEA 596
• Mechanical
• Environmental
• 2- and 4-fiber Cables Minimum Bend Radii
• (Horizontal Centralized Cabling)
• 25 mm - no tensile load
• 50 mm - up to 222 N (50 lbf) of tensile load
• Hardware Must Prevent lt25mm Bend Radius

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Outside Plant Cable

• Must meet ICEA 640-2000
• Mechanical
• Environmental
• Fluid penetration
• Compound flow (drip)
• Pull strength 2670 N (600 lbf)
• Minimum Bend Radii
• 10X Cable OD - No Tensile Load
• 20X Cable OD - Up to Rated Tensile Load

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Drop Cables

• Outside Plant Cables Used to Feed a Small Number
  of Fibers From a Higher Fiber Count Cable Into a
  Single Location
• Low Fiber Count (Typically 2-4)
• Smaller OD
• Limited unsupported span distances
• Minimum distance not defined
• Lower rated tensile strength 1335 N (300 lbf)

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Patch Cords

• Essentially, No Changes
• Field Test Measurements
• Launch Conditions Specified
• Mandrel Wraps Allowed
• High Order Mode Losses

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Looking Ahead

• New TIA Projects
• Category 6
• 850nm Laser Optimized 50/125
• Administration Standard Revision
• Data Center Cabling Standard
• Pathways Spaces Revision

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568-B.2 Addendum

• Category 6 Addendum
• At Draft 8 as of 3/28/01
• Expected Completion Date - ??
• Balance Requirements Still Under Study
• LCL requirements for connectors have been
  proposed
• Test Plug Qualification Still Evolving

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Category 6 Product Update

• Cable Characterized to 600 MHz
• Free-end Compensation
• Port-to-port Consistency on Panels
• Independently Tested for Cat 6 and Zero Bit Error
  Rate (BER)

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568-B.3 Addendum

• Additional Transmission Performance
  Specifications for 50/125µm Optical Fiber Cables
• Balloted as TIA SP-3894-AD1
• To Be Published as TIA 568-B.3-A-1

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Addendum to 568-B.3

• Purpose
• Add Specifications for Cabling System to Support
  10Gb/s Serial Transmission for 300m Using 850nm
  VCSELs
• Additional Performance Specs
• 2000 MHzkm Laser Bandwidth at 850nm
• Measured Using New DMD Test Procedure

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New Cable and Patch Cord Parameters
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Applications Acceptance

• 10G Ethernet - IEEE 802.3ae
• 10G Fibre Channel - T11.2 10GFC
• Optical Internetworking Forum (OIF) -VSR-4
• All Reference 2000 MHzkm 50µm Fiber to Support
  850nm Serial Transmission at 10G Rates

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Fiber Selection Roadmap
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TIA/EIA 606 Revision A

• Establishes Classes of Administration Small,
  Medium, Large, and Very Large
• Accommodates Scalable Infrastructure
• Allows Modular Implementation
• Specifies Identifiers
• Specifies Labeling Formats

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TIA/EIA-606-A Product Update

• Introducing the AMP NETCONNECT Labeling System
• Wizard-based Software for Ease of Use
• Pre-configured Templates for AMP NETCONNECT
  Products
• High Quality Card Stock and Self-adhesive
  Polyester Laser-printable Labels
• Freeware Demo Available at http//www.ampnetconnec
  t.com

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Data Centers Study Group

• Formation Process in TR 42
• Will Likely Become a Subcommittee
• Telecommunications Cabling Infrastructure for
  Network Distribution Nodes
• Emerging Applications Identifying Needs for New
  Topologies/Cabling Infrastructures That Are Not
  Currently Covered

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Data Centers Study Group

• Internet Data Centers
• Service Distribution Nodes
• Storage Area Networks
• Scope
• Develop Cabling Topology, Recognized Media Types,
  Cabling Requirements, and Requirements for
  Pathways Spaces for the Above Application
  Spaces and Inter/intra-node Connections

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Solutions for Data Centers and Storage Area
Networks

• MPO System
• Available in Singlemode and 50µm 62.5µm
  Multimode
• High Density Connectors (12-fibers Per Connector)
• Termination of 12 Fibers As Fast As Plugging in a
  Connector
• Factory Terminated and Tested
• MPO Cable Assemblies
• Preterminated high fiber count MPO connectors
• 12-, 24-, 36-, and 72-fiber cables
• Standard and custom lengths
• MPO Cassettes
• Breakout 12 Fibers Into Standard MT-RJ, SC and
  ST-style Connectors
• 12 and 24 Fiber Cassettes
• Fit AMP NETCONNECT Wall and Rack Mount Enclosures

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Other TIA TR 42 Projects

• Patch Cord Minimum Bend Radius Addendum
• TIA/EIA 569 Revision B
• Already has 5 addendums with 6 coming
• Building Automation Systems (BAS) Standard (TR
  42.1)
• Industrial Facility Cabling Standard (TR 42.9)

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For More Information Please Contact
Us www.ampnetconnect.com 1-800-553-0938