Cisco Ip Phone 7841; Phone Connections - Cisco 7821 Administration Manual

Cisco IP Phone 7841

Cisco IP Phone 7841

Phone Connections

For your phone to work, it must be connected to the corporate IP telephony network.
1
2
3
Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
22
DC adaptor port (DC48V) (optional).
AC-to-DC power supply (optional).
AC power wall plug (optional).
5 Access port (10/100/1000 PC) connection.
6 Auxiliary port (optional).
7 Handset connection.