RS232 to RS485 Passive industrial converter switch adapter AU99

RS232 to RS485 Passive industrial converter switch adapter AU99 Feature: 1,Compatible with RS232,RS485 TIA/EIA standard. 2,Automatically send/receive data ,without external traffic control signals. 3,Communication rate:300~38400bps 4,Communication distance: 1.2Km(9600bps),can connect 32pcs RS232 or RS485 device. 5,Power and two color data traffic indicator light, can detect the fault point. 6, Work way: Asynchronous half-duplex(RS485),no need jumper wire settings. 7,Optical and electrical isolated(isolated voltage 2.5KVrms/500VDC insulation),RS485 provide 600W per line lighting protection and prevent common ground interference. 8,Electrical interface: RS232 interface connect DB9 hole type connector,RS485 interface 4 terminals binding post transmission medium(twisted pair or shielded cable) 9, Use environment:-40~85;Relative humidity 5%~95%(Non-condensing) 10, Support DOS/WIN95/WIN2000/NT/XP Linux.etc. 11,Applies to all used communication software. plug and play.