Common Systems Connection Standards AT&T Services, Inc
Date: August 31, 2007 ATT-TP-76450, Issue 9
Copyright ©2004 – 2006, AT&T Knowledge Ventures
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Panels that use twisted pair jumper/cables less than 25 pair groups will be required to have a
cable tray or rings. Do not place jumpers without a protection tray.
6.18 Tie Bar
Panels that use cables of 25 pair and above shall have a tie bar affixed for tie wrapping. Do not
place cables without a tie bar on panel backplanes.
6.19 Use of "Y" Cable
If a "Y" cable is used, the junction must only fit in the vertical troughs, not Network Elements or
horizontal troughs, except switch cutover work.
6.20 Unusual Cable Types
Unusual wiring patterns, connectors and cable types need to be mitigated.
6.21 Protection of Cable and Jumpers
Network Equipment interconnection cabling/jumpers shall be provisioned with protection.
7 Vendor Documentation
The term “documentation” as used in this section refers to vendor documentation as defined in
GR-2914-CORE and GR-454-CORE.
Vendor documentation is an integral part of the network equipment and shall be
validated/tested by the vendor before delivery to AT&T to insure its accuracy,
comprehensibility, comprehensiveness and completeness as defined and measured by the
following documents and guidelines. Critical or Major Documentation deficiencies (determined
by AT&T) can delay equipment deployment until corrected by the vendor and approved by
AT&T. The requirements contained in this section are supplemental to other documents that
govern vendor documentation such as GR-454-CORE and GR-2914-CORE.
7.1 Softcopy Documentation
