Cisco 7821 User Manual - Page 2

Browse online or download pdf User Manual for IP Phone Cisco 7821. Cisco 7821 27 pages. Connaught
Also for Cisco 7821: Release Notes (16 pages), Quick Start Manual (2 pages), User Manual (18 pages), Quick Reference Manual (4 pages), Quick Reference (4 pages), Quick Installation & User Manual (12 pages), Reference Manual (11 pages), Quick Start Manual (4 pages), User Manual (10 pages), Manual (27 pages), User Manual (20 pages), Employee Quick Reference Manual (4 pages), Firmware Migration Master Manual (31 pages), Manual (43 pages), Quick Start Manual (6 pages), Quick Reference Card (2 pages), Quick Start Manual (2 pages), Installation Manual (39 pages), Manual (20 pages), Reconfiguration Manual (2 pages), Quick Start Manual (7 pages), Quick Installation Manual (12 pages), User Manual (2 pages), Getting Started (2 pages), Quick Start Manual (2 pages), User Manual (5 pages)

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Cisco 7821 User Manual
Phone Connections
For your phone to work, it must be connected to the corporate IP telephony network.
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.
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5
Access port (10/100 PC) connection.
6
Auxiliary port.
7
Handset connection.
8
Analog headset connection (optional).