Other Technical Details: Dielectric Strength : 2.5kv Ac, 50Hz for 1 minute. (between Current Carrying & non Current carrying PartsPMasimum Cable Length (RS232) : 15 meters ( Typical)Maximum Cable Length ( RS485) : 1000 Meters ( Typical)Maximum number of Receivers : 32Baud Rate : 2400, 4800, 9600, 19200bpsMounting - Din-rail.LED indication for power, R x and T x inputs