Access port (10/100/1000 PC)
connection (optional).
5
DC adaptor port (DC48V) (optional).
1
Auxiliary port (optional).
6
AC-to-DC power supply (optional).
2
Handset connection.
7
AC power wall plug (optional).
3
Analog headset connection (optional).
8
Network port (10/100/1000 SW)
connection. IEEE 802.3af power
enabled.
4
Cisco IP Phone 7861
Phone Connections
Connect your Cisco IP phone to your LAN with an Ethernet cable to enable full functionality of your Cisco
IP phone. If your Ethernet port is equipped with Power over Ethernet (PoE), you can power the Cisco IP
phone through the LAN port. Do not extend the LAN Ethernet cable outside the building. For your phone to
work, it must be connected to the IP telephony network.
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
25
About the Cisco IP Phone
Cisco IP Phone 7861