Chapter 4 Adding the Cisco IP Phone 7914 Expansion Module
Installing the 7914 Expansion Module
4-10
Cisco IP Phone Administration Guide for Cisco CallManager 3.2, Cisco IP Phones 7960/7940/7910
78-10453-04
Note
If you are installing a
second
7914 Expansion Module, continue with Steps 3 and
4. Otherwise go to the
“Connecting the Power Supply” section on page 4-11
.
Refer to
Figure 4-6
for an illustration of cable connections.
Step 3
Plug one end of the second RS 232 cable into the RS 232 jack with the “out” icon
underneath on the
1st
Expansion Module.
Step 4
Plug the other end of the second RS 232 cable into the RS 232 jack with the “in”
icon underneath on the
2nd
Expansion Module.
Figure 4-6
Cable Connections with Two Expansion Modules
1
RS 232 cable connection to the RS 232 jack on the IP Phone
2
RS 232 cable connection to the RS 232 jack on Expansion Module 1
3
2nd RS 232 cable connection to the RS 232 jack on Expansion Module 1
4
2nd RS 232 cable connection to the RS 232 jack on Expansion Module 2