Cisco Unified Ip Phone 8961, 9951, And 9971 Administration Guide For Cisco Unified Communications Manager - Cisco 9971 Administration Manual

1 DC adapter port (DC48V)
2 AC-to-DC power supply (optional)
3 AC power wall plug (optional)
4 Network port (10/100/1000 SW) with IEEE
802.3af and 802.3at power enabled
The following diagram shows the phone from the side.

Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0

Cisco Unified IP Phone 8961
5 Computer port (10/100/1000 PC) connection
6 Handset connection
7 Analog headset connection (headset optional)
8 Anti-theft security lock connector (lock optional)
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