Access port (10/100 PC) connection (optional).5DC adaptor port (DC48V) (optional).1
Auxiliary port (optional).6AC-to-DC power supply (optional).2
Handset connection.7AC power wall plug (optional).3
Analog headset connection (optional).8Network port (10/100 SW) connection. IEEE
802.3af power enabled.
4
Cisco IP Phone 7811, 7821, 7841, and 7861 User Guide for Cisco Unified Communications Manager 10.0 (SIP)
15
Getting Started
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