Cisco 7985G - IP Phone NTSC Video, Руководство администратора

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2-5
Cisco Unified IP Video Phone 7985G Administration Guide
OL-8726-02
Chapter 2 Preparing to Install the Cisco Unified IP Video Phone on Your Network
Providing Power to the Phone
Power Gudielines
Table 2-1 provides guidelines that apply to external power and to PoE power for
the Cisco Unified IP Video Phone 7985G.
Table 2-1 Guidelines for Powering the Cisco Unified IP Video Phone 7985G
Power Type Guidelines
External power—
Provided through the
CP-PWR-CUBE-3 or
CP-PWR-CUBE-2
external power supply
•
The Cisco Unified IP Video Phone 7985G is compatible with the
CP-PWR-CUBE-3 external power supply only.
PoE power—Provided by
a switch through the
Ethernet cable attached to
the phone
•
The inline power patch panel WS-PWR-PANEL is not compatible
with the Cisco Unified IP Video Phone.
•
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.
Power Outage
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.