|   Features 
Compatible with TIA/EIA 422/485 Standard  
Automatic send / receive data without external flow control signals (RTS) 
Communication Rate: 300BPS~115.2KBPS  
Communication Distance: 5,000 m (9,600 bps)  
Power and data flow indicator, the failure can be detected  
Working Mode: asynchronous half-duplex (RS-485) or asynchronous full-duplex (RS-422) universal, no jumper settings  
Isolation voltage 2500Vrms/500DC insulation, use special DC/DC module  
Interface Protection: 1500W lightning, surge protection, ±15KV ESD protection  
Transmission Media: twisted pair or shielded cable  
Operating Environment: -40 Degrees Celsius ~ 85 Degrees Celsius 
Relative humidity: 5% ~ 95%   
Used for all communication software, plug and play.   
Support DOS/WIN95/WIN98/WIN2000/NT/XP/Linux, etc. 
                  
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