Feature:
1. Interface feature: RS-232C,RS-485 standard interface compatible with EIA,TIA
2. Electric interface: RS-232 end DB9 hole connector, RS-485 end
3. DB9 needle connector, with connection pole
4. Working mode: asynchronous half-duplex difference transmission
5. Transmission media: twisted -pair or STP
6. Transmission rate: 300-115.2KBPS
7. External discharge dimension: 63mm x 33mm x 17mm
8. Working circumstance : - 25⁰C - 70⁰C, relative humidity5% - 95%
9. Transmission distance: 1,200m (RS-485 end), 5m(RS-232 end)