
There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same
or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s
instructions. Statement 1015
Warning
This unit is intended for installation in restricted access areas. A restricted access area can be accessed only
through the use of a special tool, lock and key, or other means of security. Statement 1017
Warning
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
device. Statement 1019
Warning
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network 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
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement 1022
Warning
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 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
Warning
Use copper conductors only. Statement 1025
Warning
Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF or ON.
To avoid c shock, use caution when working near WAN ports. When detaching cables, detach the end away
from the unit first. Statement 1026
Warning
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
53
Preparing for Installation
Safety with Electricity
Содержание ASR 903
Страница 2: ... 2015 2018 Cisco Systems Inc All rights reserved ...
Страница 10: ...Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide x Contents ...
Страница 198: ...Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide 188 Troubleshooting Alarm Conditions ...