Cisco 7961G - IP Phone VoIP Administration Manual page 66

Providing Power to the Cisco Unified IP Phone
Table 2-1 Guidelines for Powering the Cisco Unified IP Phone 7961G and 7941G (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
Table 2-2 Guidelines for Powering the Cisco Unified IP Phone 7961G-GE and 7941G-GE
Power Type
External power—
Provided through the
CP-PWR-CUBE-3
external power supply.
External power—
Provided through the
Cisco Unified IP Phone
Power Injector.
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Administration Guide for Cisco Unified CallManager
2-6
Chapter 2
Guidelines
The Cisco Unified IP Phone 7961G and 7941G support Cisco inline
•
PoE.
The Cisco Unified IP Phone 7961G and 7941G support IEEE 802.3af
•
power on signal pairs and spare pairs.
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 and 7941G.
Guidelines
The Cisco Unified IP Phone 7961G-GE and 7941G-GE use the
•
CP-PWR-CUBE-3 external power supply only.
The Cisco Unified IP Phone Power Injector may be used with any Cisco
Unified IP Phone. Functioning as a midspan device, the injector delivers
inline power to the attached phone. The Cisco Unified IP Phone Power
Injector is connected between a switch port and the IP Phone, and supports
a maximum cable length of 100m between the unpowered switch and the IP
Phone.
Preparing to Install the Cisco Unified IP Phone on Your Network
OL-11528-01