Cisco 8800 Series Administration Manual page 44

Phone Connections
1
2
3
4
Note The Cisco IP Phone 8841 and 8845 does not support a key expansion module.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
28
DC adaptor port 5
(DC48V).
AC-to-DC power supply 6
(optional).
AC power wall plug 7
(optional).
Network port 8
(10/100/1000 SW)
connection. IEEE 802.3at
power enabled.
About the Cisco IP Phone
Access port (10/100/1000
PC) connection.
Auxiliary port.
Handset connection.
Analog headset
connection (optional).