Access port (10/100/1000 PC) connection.
5
DC adaptor port (DC48V).
1
Auxiliary port.
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 802.3at power enabled.
4
The Cisco IP Phone 8841 does not support the Cisco IP Phone 8800 Key Expansion Module.
Note
Cisco IP Phone 8811, 8841, 8851, 8851NR, and 8861 User Guide for Cisco Unified Communications Manager 10.5
7
Getting Started
Phone Connections