Cisco 7921G User Manual
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Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G
Before You Begin
Warning
This warning symbol means danger. You are in a situation that could cause
bodily injury. Before you work on any equipment, be aware of the hazards
involved with electrical circuitry and be familiar with standard practices for
preventing accidents. Use the statement number provided at the end of each
warning to locate its translation in the translated safety warnings that
accompanied this device. Statement 1071
Warning
Read the installation instructions before connecting the system to the power
source. Statement 1004
Warning
This equipment will not be able to access emergency services during a power
outage because of reliance on utility power for normal operation. Alternative
arrangements should be made for access to emergency services. Access to
emergency services can be affected by any call-barring function of this
equipment.
Warning
Do not use the Cisco Unified Wireless IP Phone 7921G in hazardous
environments such as areas where high levels of explosive gas may be present.
Check with the site safety engineer before using any type of wireless device in
such an environment.
Warning
The plug-socket combination for the battery charger must be accessible at all
times, because it serves as the main disconnecting device. Statement 1019
Warning
The battery charger requires short-circuit (overcurrent) protection to be
provided as part of the building installation. Install only in accordance with
national and local wiring regulations. Statement 1045
Warning
The power supply must be placed indoors. Statement 331