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Maintaining Safety with Electricity
Maintaining Safety with Electricity
Follow these guidelines when working on equipment powered by electricity.
When installing the product, please use the provided or designated connection cables/power cables/AC
Warning
adaptors/batteries. Using any other cables/adaptors could cause a malfunction or a fire. Electrical Appliance
and Material Safety Law prohibits the use of UL-certified cables (that have the "UL" or "CSA" shown on
the cord), not regulated with the subject law by showing "PSE" on the cord, for any other electrical devices
than products designated by CISCO. Statement 371
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement
1001
Warning
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the
protective device is rated not greater than 120 V, 15 A or 240 V, 16 A for the Circuit Breaker. Statement
1005
Class 1 laser product. Statement 1008
Warning
Warning
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
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 RJ-45 connectors. Use caution when connecting cables. Statement 1021
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
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous
Warning
voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt
other equipment; and they direct the flow of cooling air through the chassis. Do not operate the system
unless all cards, faceplates, front covers, and rear covers are in place. Statement 1029
Cisco VG310 and Cisco VG320 Voice Gateways Hardware Installation Guide
24
Installing the Cisco VG310 and Cisco VG320 Voice Gateways
OL-31292-01
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