Using The Access Port; Providing Power To The Cisco Ip Phone - Cisco 7912G - IP Phone VoIP Administration Manual

Chapter 2 Preparing to Install the Cisco IP Phone on Your Network

Using the Access Port

Providing Power to the Cisco IP Phone

Cisco IP Phone Administration Guide for Cisco CallManager 3.3, Cisco IP Phones 7902G/7905G/7912G
OL-6313-01
Guidelines for Configuring Ports on the Cisco IP Phone models 7902G/7905G/7912G
Related Topics
Connecting the Cisco IP Phone to the Network, page 3-4
•
• Providing Power to the Cisco IP Phone, page 2-9
Use the access port to connect a network device, such as a computer, to the phone.
You must use a straight-through cable on this port.
Related Topic
• Connecting the Cisco IP Phone to the Network, page 3-4
You can power a Cisco IP Phone from an external power supply, from a switch
port, or from a power source between the phone and the switch.
The Cisco IP Phone can be powered by the following sources:
• External power—optional Cisco AC adapter and power cord for connecting
to a standard wall receptacle.
• Inline power—inline power provider to the Cisco IP Phone when connected
to a Cisco Catalyst switch capable of providing inline power.
Only the network port supports inline power from the
Note
Cisco Catalyst switches.
WS-PWR-PANEL—power patch panel that allows the Cisco IP Phone to be
•
connected to existing Catalyst 4000, 5000, and 6000 family 10/100BaseTX
switching modules.
This module sends power on pins 4, 5, 7, & 8, which are not used for Ethernet
signaling. The power patch panel also attempts to verify that the attached
device is a Cisco IP Phone before providing power.
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