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Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified Communications Manager Release 7.0
OL-15985-01
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G
Installing the Cisco Unified Wireless IP Phone 7921G
Figure 3-2
Assembling and Removing the AC Plug Adapter
Charging the Phone Using the Power Supply
After assembling the power supply, you are ready to charge your Cisco Unified Wireless
IP Phone 7921G. You can use the phone while the battery is being charged. For charging times, see
Table 3-5
.
To charge the Li-ion battery using the power supply, follow these steps:
Procedure
Step 1
Connect the cable from the power supply to the outlet in the phone as shown in
Figure 3-3
.
Step 2
Connect the power supply to an AC outlet.
Step 3
Monitor the indicator light. While the battery is charging the light is red, and turns green when the
battery is fully charged.
Step 4
When the battery is charged, you can disconnect the power supply from the phone, and unplug the power
cord from the AC outlet.
1
AC plug adapter
3
Battery release button
2
Power supply
4
AC plug adapter removal
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2
3
4