Bi directional Communication data RS232 To RS485 Serial Converter STM485S

Sepcifications

1. Interface: Compatible with EIA /TIA RS-232C Standard and RS-485 Standard

2. Electronic interface: At the side of RS-232 is a DB9 female (Hole -type) connector. At the side

of RS-485 is DB9 Male (Needle-Type) Connector, with a connection board.

3. Working mode: Asynchronous, half-duplex, dierential transmission.

4. Transmission media: Twisted pair or shielded twisted pair (STP)

5. Transmission rate: 300-115200bps

6. Telecommunications protocol: Transparent

7. Mechanical dimension: 95mm x 33mm x 17mm

8. Transmission distance: 1200m (RS-485), 5m (RS-232)

9. Working environment: -10 degrees Celsius to 85 degrees Celsius, relative humidity: 5% to

95%

10. Signals: RS-232 232: TXD, RDX, RTS, CTS, DTR, DSR, DCD, GND;RS-485: Data, Data-, GND