Model M670i and M675i Expansion Modules41-001371-00 Rev 01 – 07.2011 19Installing the Expansion ModulesThe M670i and M675i Expansion Modules connect to the right side of a 6737i IP phone via an RJ-45 connector and a con-nector plate.Connecting the Expansion Modules to Your PhoneUse the following procedure to connect the Expansion Modules to your 6737i IP phone.1. Turn your phone over to show the bottom of the phone.2. Turn the expansion module over to show the bottom of the module.3. Connect one end of the RJ-45 cable to the RJ-45 port on the back of your phone as indicated in the illustration below.4. Connect the other end of the RJ-45 cable to the RJ-45 port on the back of the expansion module as indicated inthe illustration above.5. Line up the screw holes on the connector plate with the screw holes on the back of the phone.M670i M675iRJ-45 ConnectorConnector PlateBack of ExpansionModuleBack of PhoneRJ-45 CableConnector PlateScrew Holes onConnector PlateScrew Holes on PhoneExpansion Module