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CTP151 Platform Hardware Documentation
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CTP Cabling Recommendations

date_range 16-May-23

We suggest that you comply with the following recommendations:

  • Ensure that cable distance and rate limits meet IEEE-recommended maximum speeds and distances for signaling purposes. For information about attenuation and power loss in optical fiber cables see:

    • ANSI T1.646a-1997 Telecommunications – Broadband ISDN - Physical Layer Specification for User-Network Interfaces Including DS1/ATM (1997)

    • ANSI T1.646-1995 Telecommunications – Broadband ISDN - Physical Layer Specification for User-Network Interfaces Including DS1/ATM (1995)

  • Ensure that power cables deliver sufficient power to the device.

  • Attach laser fiber connectors only to Class 1 laser devices in accordance with IEC 60825-1, Safety of Laser Products - Part 1.

  • Route cables so that they do not restrict ventilation or airflow.

  • Route cables so that modules and field-replaceable units are easily accessible.

  • Route cables in a logical direction to prevent loss of connectivity to other equipment in the rack, associated equipment in adjacent racks, or to the backbone network.

  • Consider using cable-management brackets to keep network cables untangled and orderly and to prevent cables from hindering access to other slots.

For additional cable recommendations, consult the document GR-63–CORE: Network Equipment Building System (NEBS) Requirements: Physical Protection, Issue 2, April 2002.

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