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Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.5 (SIP)
OL-20861-01
Chapter 3 Setting Up the Cisco Unified IP Phone
Understanding the Cisco Unified IP Phone Components
Network and Computer Ports
The back of the Cisco Unified IP Phone includes these ports:
• Network port
• Computer port
Each port supports 10/100/1000 Mbps half- or full-duplex (except for full-duplex only for 1000 Mbps)
connections to external devices. You can use either Category 3 or 5 cabling for 10-Mbps connections,
but you must use Category 5/5e for 100 and 1000 Mbps connections.
Use the SW network port to connect the phone to the network. You must use a straight-through cable on
this port. The phone can also obtain inline power from a switch over this connection. See the “Adding
Phones to the Cisco Unified Communications Manager Database” section on page 2-9 for details.
Use the Computer port to connect a network device, such as a computer, to the phone. You must use a
straight-through cable on this port.
Handset Rest
The wideband-capable handset is designed especially for use with a Cisco Unified IP Phone. It includes
a light strip that indicates incoming calls and voice messages waiting.
To connect a handset to the Cisco Unified IP Phone, plug the cable into the handset and the Handset port
on the back of the phone.
With a wall-mounted phone, you might need to adjust the handset rest to ensure that the receiver will not
slip out of the cradle, as shown in Figure 3-1.
Figure 3-1 Removing the Hookswitch Clip
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