Cisco Unified Ip Phone 8961, 9951, And 9971 User Guide For Cisco Unified Communications Manager 9.0 (Sip - Cisco Unified 8961 User Manual

Phone Connections for Cisco Unified IP Phone 9951
1 DC adapter port (DC48V)
2 AC-to-DC power supply (optional for the
network port connection but required for a wifi
connection)
3 AC power wall plug (optional)
4 Network port (10/100/1000 SW) with
IEEE 802.3af and 802.3at power enabled
5 Computer port (10/100/1000 PC) connection
The following picture shows the side of the phone.

Cisco Unified IP Phone 8961, 9951, and 9971 User Guide for Cisco Unified Communications Manager 9.0 (SIP)

10
Features of Your Cisco Unified IP Phone
6 Handset connection
7 Analog headset connection (headset optional)
8 USB port
9 Anti-theft security connector (lock optional)
10 Camera pin holes (for Cisco Unified
Video Camera)