Cisco OL-11953-01 - Manual (Page 6)

Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Providing Power to the Cisco Unified IP Phone
2-6
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.0
OL-11953-01
PoE power—Provided by
a switch through the
Ethernet cable attached
to the phone. • 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.
External power—
Provided through inline
power patch panel
WS-PWR-PANEL The inline power patch panel WS-PWR-PANEL is compatible with the
Cisco Unified IP Phones 7961G and 7941G.
Table 2-2 Powering Guidelines—Cisco Unified IP Phone 7961G-GE and 7941G-GE
Power Type Guidelines
External power—
Provided through the
CP-PWR-CUBE-3
external power supply. • The Cisco Unified IP Phone 7961G-GE and 7941G-GE use the
CP-PWR-CUBE-3 external power supply only.
External power—
Provided through the
Cisco Unified IP Phone
Power Injector. 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.
Table 2-1 Powering Guidelines—Cisco Unified IP Phone 7961G and 7941G (continued)
Power Type Guidelines