Cisco 8831 Installation Manual page 7

Cisco Unified IP Conference Phone 8831 Installation
Table 2: Sound Base Connections and Ports
1
2
3
4
5
Connect Mini-USB Cable to DCU
The following images show how to install the USB cable.
Item
Network port
Wall power
Mini USB port
Wired microphone ports
Linked Mode daisy chain port
Cisco Unified IP Conference Phone 8831 Administration Guide for Cisco Unified Communications Manager 9.0
Description
Network port (10/100 SW) connection. IEEE 802.3af
power enabled.
Local power connection.
Connects the base station to the DCU.
When connecting the USB cable, firmly
Attention
press down on the ferrite bead to ensure it
seats correctly between the posts.
Two RJ11 microphone ports. An optional wired
microphone can be connected to each port.
Supports the connection of two base stations in Linked
Mode.
Phone Connections
7