Serial

Module Type: M.2 2242 to four RS-232 Module; Function: Serial
Module Type: M.2 2242 to dual RS-232 Module; Function: Serial
Module Type: mPCIe to four RS-232/422/485 Module, Function: Serial
Module Type: mPCIe to two Isolated RS-422 & RS-485 Module, Function: Serial

Module Type: M.2 to four RS-232/422/485 Module, Function: Serial