Juniper CTP151 Platform, Руководство по оборудованию, Страница: 35 / 104

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ANSI T1.646-1995 Telecommunications – Broadband ISDN - Physical Layer Specification for
User-Network Interfaces Including DS1/ATM (1995)
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Ensure that power cables deliver sufficient power to the device.
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Attach laser fiber connectors only to Class 1 laser devices in accordance with IEC 60825-1, Safety of
Laser Products - Part 1.
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Route cables so that they do not restrict ventilation or airflow.
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Route cables so that modules and field-replaceable units are easily accessible.
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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.
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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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