... and security monitoring, etc.. This equipments converts electrical signals from serial ports (RS232, RS485, RS422, etc.) transferred originally via power ... .Compliant to telecom class operation standard, MTBF is over 50,000 hours.With serial port interfaces such as RS232, RS485, RS422 ... transfer of 1-2 line serial port, the max. rate is over 1 Mbps.The serial port signal is compliant to various ITU- ...