The 3150MCM communication module, now discontinued by the manufacturer, features Modbus Master/Slave capability with an Inrax SLC processor interface. It supports a 4000-word register and comes with a DB-9M 3150 module. The device offers RS-232/422/485 jumper selectable communication with RS-232 hardware handshaking (RTS/CTS/DTR). It provides 500V optical isolation and operates within a temperature range of 0-60°C.