AT&T 76450 manual See Figure

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Common Systems Connection Standards	AT&T Services, Inc
Date: August 31, 2007	ATT-TP-76450, Issue 9

5.7Minimum Distance Between Connector Housing and 90 Degree Bend

Minimum Fiber distance away from a connector housing to bend 90 degrees shall be 3.75- inches. See Figure 5–1.

Figure 5-1

3	.5"
"	.5"
.
0	1
D	1
i
a
meter

Radius

3.75"

2.25"

1.5" Radius

5.8Space Between Door/Panel and Fiber Connector

To avoid pinching or reduction of minimum fiber bend radius the minimum distance between the fiber connector and any door/panel cover shall be a minimum of 3.75 inches.

See Figure 5-1

5.9Standard Fiber Connector

The AT&T standard fiber connector shall be SC-UPC single mode or LC-UPC single mode type connector. Application of connector type shall be determined by equip design or manufacturer.

5.10 Alternative FTTP Fiber Connector

The AT&T alternative fiber connector for FTTP shall be SC-APC, SingleMode, 8-degree, keyed type connector.

5.11 FiberOptic Cable Mode

•Central Office fiber optic cable shall be SingleMode.

•Customer Premises or IXC fiber optic cable may be SingleMode or Multimode.

•SONET services fiber optic cable shall be SingleMode.

5.12 Fiber Transmission Material

Fiber transmission material shall be glass, not plastic or any other material not specifically pre- approved by AT&T NP&E Staff.

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Contents Canceled/Superseded Doc N/A Purpose RequirementsScope Pre-assembled versus Field Assembled Network EquipmentAdditional AT&T Requirements ATT-TP-76450 Internet Web Site Product Evaluation ProcessAdherence to AT&T Standard Suppliers Reasons for ReissueRedundant Power Feeds AC Powered EquipmentPower Feeds Nominal -48v DCDrain Definitions Battery Return ConductorList 1 Drain List 1X DrainTwo Hole Connections Location of Power Terminations1 16 AWG Stranded Power Cable and Larger Size conductor Acceptable termination Associated Listings 3 18 AWG Power Cable and SmallerVisual Power Alarms and Status Indicator Power Distribution Delivery Fusing of CapacitorsIndividually Mounted PDU NE Integrated Power DistributionDirect Bdfb Power Delivery Standards Termination of timing leads Synchronization/Timing StandardsClock output lead cabling Redundancy of timing inputsOutput card exhaustion AlarmsTL1 / TCP-IP TBOS/TABS Fiber Attenuators FiberSee Figure Copper DS1 Cross-Connect Wire Central Office Copper Wire and Cable Unusual Cable Types Vendor DocumentationProtection of Cable and Jumpers Softcopy DocumentationHard Copy Documentation Alarm/Trouble Shooting GuideCraft Interface Instructions Personnel Injury and Equipment Damage WarningsConsistent Terminology between Documentation and Platform Consistent Terminology throughout DocumentationRevision Numbering Revision HistoryList of Documentation Other interconnection requirementsEquipment lighting Test Streaker CardsProcess Appendix a ATT-TP-76450 Checklist Instructions and ProcessInstructions Page Power Interconnection Standards Alarm Standards Part & N/A Footnotes Rqmt# Comment Vendor DocumentationDocument Number Document Description Appendix C ReferencesAppendix E Acronyms Appendix D ATT Contact List