Cisco IP Phone Key Expansion Module• Cisco IP Phone Key Expansion Module Setup Overview, on page 1• Key Expansion Module Power Information, on page 3• Connect a Key Expansion Module to a Cisco IP Phone, on page 4• Connect Two or Three Key Expansion Modules to a Cisco IP Phone, on page 8• Auto Detection of Key Expansion Modules, on page 11• Configure the Key Expansion Module from the Phone Web Page, on page 12• Access Key Expansion Module Setup, on page 12• Allocate a Key Expansion Module Type, on page 13• Allocate a Key Expansion Module Type with the Phone Menu, on page 13• Reset the Single LCD Screen Key Expansion Module, on page 13• Troubleshoot the Key Expansion Module, on page 14• Key Expansion Module Does Not Go Through the Normal Start Up Process, on page 14Cisco IP Phone Key Expansion Module Setup OverviewFigure 1: Key Expansion Module with Single LCD ScreenCisco IP Phone Key Expansion Module1