Cisco Ip Phone 7821, 7841, And 7861 User Guide For Cisco Unified Communications Manager 10.0 (Sip - Cisco 7821 User Manual

For cisco unified communications manager 10.0 (sip)
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Phone Connections
1
DC adaptor port (DC48V).
2
AC-to-DC power supply (optional).
3
AC power wall plug (optional).
4
Network port (10/100 SW) connection. IEEE
802.3af power enabled.

Cisco IP Phone 7821, 7841, and 7861 User Guide for Cisco Unified Communications Manager 10.0 (SIP)

12
5
Access port (10/100 PC) connection.
6
Auxiliary port.
7
Handset connection.
8
Analog headset connection (optional).
Getting Started

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