Cisco IP Phone 7800 Series User Manual page 31

Add Buttons to Your Phone (8800 Series)
Step 4 Remove the two accessory connector covers, as shown in the diagram.
Caution
Step 5 Position the phone so that the front of the phone faces up.
Step 6
Connect one end of the key expansion module spine connector to the accessory connector on the Cisco IP
Phone.
a) Align the spine connector with the accessory connector ports.
Note
b) Firmly press the spine connector into the phone.
Cisco IP Phone 7800 and 8800 Series, Cisco IP Conference Phone 7832, and Cisco ATA 190-SC User Guide for Webex Calling (formerly Spark
The slots are designed for the spine connector only. Insertion of other objects will cause permanent
damage to the phone.
Install the connector in the orientation shown in the following diagrams.
Connect Two or Three Key Expansion Modules to a Cisco IP Phone
Call)
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