Quatech SS-CVT-500N Specifications

RS-232 To RS-485/422 

Non-Powered Converter 

RS-232 

  Connector: Male DB9 

  Signal: TxD , RxD , GND 

Loop back: RTS to CTS is shorted, DTR to DSR and DCD are shorted 

 RS-485/422 

 Connector: 

Terminal 

RS-422 Signal: TxD+, TxD-, RxD+ , RxD- 

     RS-485 Signal: Data+, Data- 

Mode: 4-wire RS-422, 2-wire RS-485 (Select RS-422 or RS-485 by DIP Switch) 

  Pull High/Low: 1K/1K Ohm 

  Baud Rate: 300 bps to 115.2 Kbps 

  Surge Protection: 15 KV ESD 

 Power 

Protection: 

YES 

 Power 

  Input Power: RS-232 Port Power, TxD, RTS, DTR 

  Power: 5V DC 

    Power 

Consumption: 20 mA @ 5V DC (termination disabled) 

  Dimension: 55 * 40 * 25 mm (W * D * H) 

  Weight: 35 g 

 Environment 

 Operating 

Temperature: 

0℃ ~ 60℃ 

 Storge 

Temperature: 

-20℃ ~ 85℃ 

  Humidity: 5~95 % RH 

    Approval: CE , FCC, RoHS