Cisco ASR-920-4SZ-D Hardware Installation Guide

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Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
OL-32751-01
Chapter 2 Preparing for Installation
Safety Guidelines
• Before starting work on the system, turn off the DC main circuit breaker and disconnect the power
terminal block cable.
• Before doing the following, disconnect all power:
– Working on or near power supplies
– Installing or removing a router chassis or network processor module
– Performing most hardware upgrades
• Never install equipment that appears damaged.
• Carefully examine your work area for possible hazards, such as moist floors, ungrounded power
extension cables, and missing safety grounds.
• Never assume that power is disconnected from a circuit; always check.
• Never perform any action that creates a potential hazard to people or makes the equipment unsafe.
• If an electrical accident occurs, proceed as follows:
– Use caution, and do not become a victim yourself.
– Turn off power to the router.
– If possible, send another person to get medical aid. Otherwise, determine the condition of the
victim, and then call for help.
– Determine whether the person needs rescue breathing or external cardiac compressions; then
take appropriate action.
In addition, use the following guidelines when working with any equipment that is disconnected from a
power source, but still connected to telephone wiring or network cabling:
• Never install telephone wiring during a lightning storm.
• Never install telephone jacks in wet locations unless the jack is specifically designed for it.
• Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at
the network interface.
• When installing or modifying telephone lines, use caution.

Cisco ASR-920-4SZ-D Specifications

General

Brand	Cisco
Model	ASR-920-4SZ-D
Category	Network Router
Language	English