Handset connection6DC adapter port (DC48V)1
Analog headset connection (headset optional)7AC-to-DC power supply (optional for the
network port connection but required for a wifi
connection)
2
USB port8AC power wall plug (optional)3
Anti-theft security connector (lock optional)9Network port (10/100/1000 SW) with
IEEE 802.3af and 802.3at power enabled
4
Camera pin holes (for Cisco Unified
Video Camera)
10Computer port (10/100/1000 PC) connection5
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
Phone Connections for Cisco Unified IP Phone 9951