Cisco ASR 902U Hardware Installation Manual page 58

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Safety with Electricity

High leakage current – earth connection essential before connection to system power supply. Statement

Warning

342

Warning

Avoid using or servicing any equipment that has outdoor connections during an electrical storm. There

may be a risk of electric shock from lightning. Statement 1088

Warning

Before performing any of the following procedures, ensure that power is removed from the DC circuit.

Statement 1003

Warning

Read the installation instructions before connecting the system to the power source. Statement 1004

Warning

This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the

protective device is rated: For a -48/-60 VDC installation, the wire shall be 12 AWG minimum with a 20

A branch circuit breaker. For a 24 VDC installation, the wire shall be 8 AWG minimum with a 40 A

branch circuit breaker. Statement 1005

Warning

This product relies on the building's installation for short-circuit (overcurrent) protection. For an AC

installation, ensure that the branch circuit breaker is rated a maximum 20A. Statement 1005

There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with the

Warning

same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the

manufacturer's instructions. Statement 1015

This unit is intended for installation in restricted access areas. A restricted access area can be accessed

Warning

only through the use of a special tool, lock and key, or other means of security. Statement 1017

Take care when connecting units to the supply circuit so that wiring is not overloaded. Statement 1018

Warning

The plug-socket combination must be accessible at all times, because it serves as the main disconnecting

Warning

device. Statement 1019

Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide

Preparing for Installation

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Asr 902