Cisco 8831NR Administration Manual page 60

Install Cisco Unified IP Conference Phone
Procedure
Step 1 Align the ferrite bead with the head of the network cable and move the ferrite bead along the cable until there
is a gap of 1.0 mm +/- 0.3 mm between the bead and the connector.
Step 2 Place the cable into the ferrite bead channel and loop the cable around the ferrite bead so that the cable exits
the bottom of the bead.
Step 3
Hold the cable in the ferrite bead channel and close the ferrite bead. Snap the latch closed.
Install Cisco Unified IP Conference Phone
Note
Before you install a conference phone, even if it is new, upgrade the conference phone to the current firmware
image. Before using external devices, see the Readme file for safety and performance information.
Procedure
Step 1
Connect the power supply to the Cisco DC Adapter port. See the
information about powering your conference phone.
Step 2
Connect a straight-through Ethernet cable from the switch to the network port on the conference phone. Each
Cisco Unified IP Conference Phone 8831 ships with one ethernet cable in the box.
Cisco Unified IP Conference Phone 8831 and 8831NR Administration Guide
50
Cisco Unified IP Conference Phone Installation
Power Guidelines, on page 35 for more