Feature


1.
Interface feature: RS-232C, RS-422 standard interface compatible with EIA TIA


2.
Electric interface: RS-232 end DB9 hole connector RS-422 end DB9 needle connector with connection pole.


3.
Working mode: asynchronism Full-duplex difference transmission


4.
Transmission media: twisted -pair or STP


5.
Transmission rate: 300- 115.2KBPS


6.
External discharge dimension: 63mm * 33mm * 17mm


7.
Working circumstance: - 25 to 70 degree C, relative humidity 5%to95%


8.
Transmission distance: 1, 200m (RS-485 end), 5m (RS-232 end)


9.
Operating system: DOS/WIN95/WIN98/WIN2000/NI/XP/Linux and so on


10. Applies to all communication software, plug and pay


11. Max connect 32 piece RS-422 interface devices


12.
Power: Unique serial port charge pump driving technology, no need external power, real 3 wire communication (TXD, RXD, GND), no

need initialize serial port


13. Auto send/receive data, without external flow control signal (RTS)