Safety - Cisco 7906G Administration Manual

Before You Begin
Ultimate disposal of this product should be handled according to all national
Warning
laws and regulations. Statement 1040
Do not work on the system or connect or disconnect cables during periods of
Warning
lightning activity. Statement 1001
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits
Warning
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. Statement 1021
Only use the proper Cisco approved external power supply. Reference the
Caution
installation manual provided with the phone.
The following warnings apply when you use an external power supply.
This product relies on the building's installation for short-circuit (overcurrent)
Warning
protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S.
(240 VAC, 10A international) is used on the phase conductors (all
current-carrying conductors). Statement 13
The device is designed to work with TN power systems. Statement 19
Warning
The plug-socket combination must be accessible at all times because it serves
Warning
as the main disconnecting device. Statement 66
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager 5.1
3-4
Chapter 3 Setting Up the Cisco Unified IP Phone
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