Dc Adapter Port (Dc48V); Ac-To-Dc Power Supply (Optional); Ac Power Wall Plug (Optional); Computer Port (10/100/1000 Pc) Connection - Cisco 9971 Administration Manual

Phone Connections for Cisco Unified IP Phone 9951

Connect your phone to the corporate IP telephony network, using the following diagram.
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 Administration Guide for Cisco Unified Communications Manager 10.0
Cisco Unified IP Phone 9951
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)
29