Cisco 8845 - Turn On Bluetooth; Disconnect a Bluetooth Accessory; Delete a Bluetooth Accessory

Step 4 Remove the two accessory connector covers, as shown in the diagram.
The slots are designed for the spine connector only. Insertion of other objects will cause permanent
damage to the phone.
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.
Install the connector in the orientation shown in the following diagrams.
Note
b) Firmly press the spine connector into the phone.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
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Hardware and Accessory Installation
Connect Two or Three Key Expansion Modules to a Cisco IP Phone