Function Parameters

★The characteristics of interface: The interface is compatible with RS-232C, RS-485/ RS-422 standards of EIA.TIA.

★Electric interface: RS-232 interface is DB9 interface (female). RS-485/RS-422 interface is DB9 interface (male), or RJ-45 interface. DB9 needle (male) interface can adapt to patch panel, and through binding post it is convenient to wire routing.

★Transmission media: RS-485 is using a pair of twisted pairs.( Shielding is allowed  and 120 Ohm of each twisted pair’s impedance is recommended.)

★R-422 is using a pair of twisted pair. (Shielded twisted pair is allowed and 120 Ohm of each twisted pair’s impedance is recommended.)

★Working mode: RS-422 asynchronous full duplex. RS-485 asynchronous half duplex. ★  Signal indication: Indicator lights TXD,RXD,POWER. ★Protection rate: 15000V surge protection. ★Transmission speed: 75~115200bps ★  Transmission distance: 0~1968.5 yards (0~1800 meters) ★Working condition: 32°~140°F （0℃~60℃） ★relative humidity 5％~95％ ★Allowed Amount of Concatenated: 32~128 equipments