Chapter 2 Preparing to Install the VG248
Safety
2-10
Cisco VG248 Analog Phone Gateway Hardware Installation Guide
78-13154-01
Warning
Do not work on the system or connect or disconnect cables during
periods of lightning activity.
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 RJ-45 connectors. Use caution
when connecting cables.
Warning
The device is designed to work with TN power systems.
Warning
This equipment is to be installed and maintained by service personnel only
as defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel.
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.
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