Cisco Systems 7841 Manual De Usuario
Cisco IP Phone 7821
Phone Connections
For your phone to work, it must be connected to the corporate IP telephony network.
Access port (10/100 PC) connection.
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
Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
18
Cisco IP Phone 7821