Cisco Ip Phone 8811, 8841, 8851, 8851Nr, And 8861 User Guide For Cisco Unified Communications Manager - Cisco 8811 User Manual

Phone Connections
1 DC adaptor port (DC48V).
2 AC-to-DC power supply
(optional).
3 AC power wall plug (optional).
4 Network port (10/100/1000 SW)
connection. IEEE 802.3at power
enabled.
Each USB port supports the connection of up to five supported and nonsupported devices. Each device
Note
connected to the phone is included in the maximum device count. For example, your phone can support
five USB devices (such as two Cisco IP Phone 8800 Key Expansion Modules, one headset, one hub, and
one other standard USB device) on the side port. Many third-party USB products count as multiple USB
devices, for example, a device containing USB hub and headset can count as two USB devices. For more
information, see the USB device documentation.

Cisco IP Phone 8811, 8841, 8851, 8851NR, and 8861 User Guide for Cisco Unified Communications Manager

10.5
12
5 Access port (10/100/1000 PC)
connection.
6 Auxiliary port.
7 Handset connection.
8 Analog headset connection
(optional).
Getting Started
9 USB port