CERRXIAN DB9 Female RS232 to RS485 RS422 Serial Communication Data Terminal Block Board Adapter Converter

Specification: 1.Serial port:concurrently compatible with RS-232C,RS-485 RS422 standard of EIA/TIA. 2.Electricity interface:DB9 interface of RS-232 end,DB9 pin connector of RS-485 RS422 end;RJ45 interface of RS485/422. 3.Communication method:asynchronous half duplex;four lines full duplex. 4.Transmission media:regular wire.UTP or shielded cable. 5.Transmission speed:300~115-200 Baud/s. 6.Transmiison distance:5 meters(RS-232 side) and 1800 meters?RS-485/RS422 side). 7.Telecommunication protocol: transparent 8.Up to 128 equipment supported. 9.Work environment:-10 degree celsius to 85 degree celsius,relative humidity:5% to 95%. 10.Signals: RS-232:TXD,RXD,TRS,CTS,DTR,DSR,DCD,GND; RS-485:Data+,Data-,GND RS-422:TX+,TX-,RX+,RX-,GND USAGE: 1.Prepare wires with enough length per function requirement. 2.Shut down the equipment that the converter will be attached to. 3.Plug the RS-232 port of the converter(DCE) directly into DB9 male port of DTE equipment(e.g. COM port of computer) and make sure the converter can take TXD,DTR,RTS signals. 4.Wire the RS484/422 DB9 connector or RJ45 connector to communication equipment. 5.RS232/485/422 converter is mainly used with the equipment with controller of RS232 port to equipment with RS485/RS22 interface.The converter can connect from 32 up to 128 equipment to from RS485/RS422 network.