■ Compatible RS422/485 standards of EIA/TIA.
 

■ Automatic data transceiver without external volume control signal (RTS).
 

■ Great increase of the communication distance of RS-485/RS-422 BUS network and the reliability of RS-485/422 network.
 

■ Baud rate: 300BPS-115.2KBPS.
 

■ Working current:9-30VDC/350mA.
 

■ A maximum connection of 128 pieces of RS-485 or RS-232 interface devices.
 

■ Communication distance: 5 KM(9,600BPS).
 

■ Power indicator light and data traffic indicator light available for malfunction indication.
 

■ Working mode: applicable for both asynchronous half duplex (RS-485) and asynchronous Full duplex (RS422) without any jumper settings needed. 
 

■ Enhanced photoelectric isolation (an isolation voltageup to 2.5KVrms /500VDC isolation), dedicated DC/DC module, 600W lightning strike and surging protection , ±15KV ESD protection and grounding interference protection for each RS-485/422 line.
 

■ Electric interface: double 10-bit wiring terminal.
 

■ Transmission media:STP
 

■ Dimensions: 120mm×80mm×25mm.
 

■ Working environment: -40℃ to 85℃, relative humidity 5% to 95%.
 

■ Plug-and-play and universally applicable on all the existing communication software.
 

■ Supporting DOS/WIN95/WIN98/WIN2000/NT/XP and Linux, etc.