Product Overview :

RS232 to RS485 Adapter ( R232<==>RS485, interchangeable).

Instant use without drivers

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 DB9 needle connector with connection pole.

3. Working mode: asynchronism half-duplex

4. Transmission media: twisted -pair or STP

5. Transmission rate: 300-115.2KBPS, Signals: RS-232 TXD, RXD,GND ; RS-485 Date+, Date-,GND .

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

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

8. Transmission distance: 1,200 meters (RS-485 end) and 5meters (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 32 pieces devices can connect

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)