Table of Contents
Advertisement
Preparing for Installation
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
When you connect or disconnect the power and relay connector with power applied, an electrical arc can
Warning
occur. This could cause an explosion in hazardous area installations. Be sure that power is removed from
the switch and alarm circuit. Be sure that power cannot be accidentally turned on or verify that the area
is nonhazardous before proceeding. Failure to securely tighten the power and relay connector captive
screws can result in an electrical arc if the connector is accidentally removed. Statement 1058
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
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network
Warning
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some
LAN and WAN ports both use RJ45 connectors. Use caution when connecting cables. Statement 1021
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement
Warning
1022
To reduce the risk of fire, use only 26 AWG or larger telecommunication line cord. Statement 1023
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
Warning
absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority
or an electrician if you are uncertain that suitable grounding is available. Statement 1024
Use copper conductors only. Statement 1025
Warning
Cisco ASR 907 Router Hardware Installation Guide
Safety with Electricity
21
Advertisement
Table of Contents
