Step 2
Insert the tabs on the back of the desktop charger module into the slots on the base.
Step 3
Rock the desktop charger module forward and use the front tab to snap it into place.
Step 4
Plug the multicharger base power supply into the base and a power outlet.
Webex Wireless Phone 840 and 860 Administration Guide for Cisco Unified Communications Manager
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Accessories
Assemble the Webex Wireless Phone 860 Multicharger Base