Operation Manual

11
5. Connect the Power Supply
To connect the power supply, follow these steps.
Step 1 Depending on how your Cisco IP Phone 7960 is
powered, perform one of the following actions:
• If your Cisco IP Phone 7960 is powered over the
Ethernet and:
– you have one Expansion Module—connect the
power supply unit to the AC adaptor port on
the Expansion
Module and plug the other end
into a standard electrical power outlet in the
wall.
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