Cisco 8800 Series Manual page 10

Add Buttons to Your Phone (8800 Series)
Connect Two or Three Key Expansion Modules to a Cisco IP Phone
This diagram shows the spine connector.
This diagram shows the installation of the spine connector.
Step 7
Connect the other end of the spine connector to the key expansion module as shown in this diagram.
a) Align the spine connector with the key expansion module accessory connector ports.
b) Firmly press the key expansion module into the spine connector.
Add Buttons to Your Phone (8800 Series)
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