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Cisco Unified IP Phone 8961, 9951, and 9971 User Guide for Cisco Unified Communications Manager 7.1(3) (SIP) 17
1
DC adapter port (DC48V)
6
Handset port
2
AC-to-DC power supply (optional for the
network port connection but required for a
wifi connection)
7
Analog headset port (headset optional)
3
AC power wall plug (optional)
8
USB port
4
Network port (10/100/1000 SW) with
IEEE 802.3af and 802.3at power enabled
9
Anti-theft security connector (lock optional)
5
Computer port (10/100/1000 PC)
193117
8
9
2
3
4
5
6
7
1
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