PM1615 UC42 User Manual_English_Global Rev.01 33
Expansion module gets the fw46M.rom from IP Phone
(1) Before connecting the expansion module, please log on Webpage-Network-PC Port,
choose to Connect to Expansion Module, and then click SaveSet. See below picture.
Or Menu->Setting->Advanced Setting ->Network->PC port ->Connect to module on
Phone LCD.
(2) Connect Phone's PC port and UC42's Uplink port with Ethernet cable
(3) Power up UC42 expansion module, then UC42 would automatically get the expansion
module FW from the phone, and automatically restart to finish the upgrade.
(4) After upgrade, please check whether the FW show on the phone status is same as the
FW show on the Webpage, If it is same, it means that the FW has been upgraded
successfully. Below picture for reference.
(5) If expansion module FW did not upgrade successfully, please restart the expansion