Cisco 8831NR Administration Manual page 58

Phone Connections
Note Before connecting the ethernet cable to the device, you must first install a ferrite bead on the ethernet cable.
Note Before you install a conference phone or phone, even if it is new, upgrade the device to the current firmware
image. Before using external devices, see the Readme file for safety and performance information.
See Buttons and Hardware, on page 10
Phone.
Related Topics
Phone Connections
The Sound Base contains the network and power connection for the phone. The base also contains the mini-USB
connection for the DCS, the wired microphone ports, and the daisy chain port for the Linked Mode feature.
You can use the graphic and table below to identify connections and ports on the Sound Base.
Table 17: Sound Base Connections and Ports
1
Cisco Unified IP Conference Phone 8831 and 8831NR Administration Guide
48
Install Ferrite Bead on Network
Item
Network port
for a diagram of the connections for the Cisco Unified IP Conference
Cable, on page 49
Description
Network port (10/100 SW) connection. IEEE 802.3af
power enabled.
Cisco Unified IP Conference Phone Installation