Power Outage; Obtaining Additional Information About Power - Cisco 7961G-GE - IP Phone VoIP Administration Manual

Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Table 2-2 Powering Guidelines—Cisco Unified IP Phone 7961G-GE and 7941G-GE (continued)
Power Type
PoE power—Provided by
a switch through the
Ethernet cable attached
to the phone.
External power—
Provided through inline
power patch panel
WS-PWR-PANEL

Power Outage

Obtaining Additional Information about Power

Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.0
OL-11953-01
Guidelines
The gigabit Ethernet Cisco Unified IP Phone 79161G-GE and
•
7941G-GE do not support Cisco inline PoE.
The Cisco Unified IP Phone 7961G-GE and 7941G-GE support IEEE
•
802.3af power on signal pairs and spare pairs. The Cisco Unified IP
Phone 79161G-GE and 7941G-GE are not compatible with Cisco
switches that are not IEEE-compliant.
To ensure uninterruptible operation of the phone, make sure that the
•
switch has a backup power supply.
Make sure that the CatOS or IOS version running on your switch
•
supports your intended phone deployment. Refer to the documentation
for your switch for operating system version information.
The inline power patch panel WS-PWR-PANEL is compatible with the
Cisco Unified IP Phones 7961G-GE and 7941G-GE.
Your accessibility to emergency service through the phone is dependent on the
phone being powered. If there is an interruption in the power supply, Service and
Emergency Calling Service dialing will not function until power is restored. In the
case of a power failure or disruption, you may need to reset or reconfigure
equipment before using the Service or Emergency Calling Service dialing.
For related information about power, refer to the documents shown in
These documents provide information about the following topics:
• Cisco switches that work with the Cisco Unified IP Phone 7961G/7961G-GE
and 7941G/7941G-GE
• The Cisco IOS releases that support bidirectional power negotiation
Providing Power to the Cisco Unified IP Phone
Table 2-3.
2-7