User's Manual

Table Of Contents
Access port (10/100/1000 PC) connection.5DC adaptor port (DC48V).1
Auxiliary port.6AC-to-DC power supply (optional).2
Handset connection.7AC power wall plug (optional).3
Analog headset connection (optional).8Network port (10/100/1000 SW) connection.
IEEE 802.3at power enabled.
4
Cisco IP Phone 8841, 8851, and 8861 User Guide for Cisco Unified Communications Manager 10.5
11
Getting Started
Phone Connections
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