|   Features 
Input: USB standard, USB1.1, 1.0 standard, EIA RS-485, RS-422 standard, compatible with 2.0  
Output: RS-422/RS-485 standard  
Working Mode: asynchronous point to point, point to multipoint, 2-wire half-duplex, 4-wire full-duplex   
Direction Control: automatic data flow control, distinguish and control data transfer direction automatically  
Baud Rate: 300-115200bps    
Load Capacity: in point to multipoint mode, for each converter, it allows to connect with 128 RS-422 or RS-485  
interface devices  
Transmission Distance: RS-485/422 is 5000 m (9600bps), USB port is not more than 5 m. 
Interface Protection: 1500W lightning, surge protection, ±15KV ESD protection  
Interface Type: USB Interface A-type (female), RJ-45 and DB9 male connector   
Indicator: one power indicator (PWR), one sending indicator (TXD), and one receiving indicator (RXD)  
Transmission Media: twisted pair or shielded cable  
Transfer Rate: 115200bps to 300M  
                     38400bps to 2.4KM  
                     9600bps to 5KM  
Communication Distance: 0~5000m (115200bps ~ 9600bps)  
Operating Environment: -25 Degrees Celsius ~ 70 Degrees Celsius 
Relative humidity: 5% ~ 95%   
                  
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