Procedure
Step 1
Restart the key expansion module by disconnecting the power source, waiting a few seconds, and then
reconnecting it.
Step 2
As the key expansion module powers up, press and hold
Page 1
. As the LCD screen turns white, continue
pressing
Page 1
for at least one second.
Step 3
Release
Page 1
. The LEDs turn red.
Step 4
Immediately press
Page 2
and continue pressing
Page 2
for at least one second.
Step 5
Release
Page 2
. The LEDs turn amber.
Step 6
Press Lines
5
,
14
,
1
,
18
,
10
, and
9
in sequence.
The LCD screen turns blue. A spinning icon is displayed in the center of the screen.
The key expansion module resets.
Troubleshoot the Key Expansion Module
Procedure
Step 1
Open a CLI.
Step 2
Enter the following command to enter debug mode:
debugsh
Step 3
Enter
?
to see all available commands and options.
Step 4
Use the applicable commands and options to find the desired information.
Step 5
To exit debug mode, press
Ctrl-C
.
Key Expansion Module Does Not Go Through the Normal Start
Up Process
Problem
When you connect a key expansion module to a phone that is connected to a network port, the key expansion
module doesn't start up.
Cause
• Key expansion module type and the attached key expansion module don't match.
• The phone has more than one type of expansion module connected.
Cisco IP Phone Key Expansion Module
14
Cisco IP Phone Key Expansion Module
Troubleshoot the Key Expansion Module