The Omron CPM1-CIF11 is an RS-422 communications adapter.Part number: CPM1-CIF11Functions: Level conversion between the CMOS level (CPU side) and the RS-422 (peripheral device side)Insulation: The RS-422 (peripheral device side) is insulated by a DC/DC converter and photocouplerPower supplier: Power is supplied by the CPU.Power consumption: 0.3 A max.Transmission speed: 38.4 kbits/s max.Vibration resistance: 10 to 57 Hz with an amplitude of 0.075 mm, and 57 to 150 Hz with an acceleration of 1 G in the X,Y and Z directions for 80 minutes each (i.e. for 8 minutes each, 10 times).Shock resistance: 1.5 G in the X, Y and Z directions 3 times eachAmbient temperature - Operating : 0 deg C to 55 deg C (32 deg F to 131 deg F)Ambient temperature - Storage : -2 0 deg C to 75 deg C (--4 deg F to 167 deg F)Ambient humidity - Operating: 10% to 90% RH (with no condensation)Ambient environment - Operating: With no corrosive gasWeight: 200 g max.