Cisco IP Phone 6851

Access port (10/100/1000 PC)
connection (optional)
5For future use1
Auxiliary port (optional)6DC adaptor port (optional)2
Handset connection7Power adapter (optional)3
Analog headset connection (optional)8Network port (10/100/1000 SW)
connection; IEEE 802.3af power
enabled
4
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
7
Cisco IP Phone 6851 Multiplatform Phones Connections