1. Description 
 
○ This Signal Converter converts RS-232C/422 signal to RS-485 signal and 
    transmits upto 1.2Km distance.

○ It converts RS-485 signal to RS-232/422 signal.

○ Data Transmission enables to be controlled by RTS (Request to send) and 
    chosen to DCE/DTE conversion.

○ It can be connected to Point to Point, Multidrop, Simplex/Duplex, 4 Wire Full 
    Duplex /2 Wire Half Duplex.  

  
2. Panel Drawing

3. Specification 

○ General Part
  - Connector : 1 RS-232 DB-25 Female, 1 RS-485 / RS-422 Four Terminal Block
                      Grounding Tab
  - Switches : SW1 – DCE/DTE, SW2 – TxON/RxON/T-RTS/R-RTS/TxRTS/RxON
  - Data rate : Up to 100 Kbps Under 1200m [4000'] 
  - Isolation protection : Up to 2000V DC 
  - Cable length : 1200 m [4000'] (Max.)

○ Case & Power Part
  - Power source : DC 9V 1.8W (Power adaptor)
  - Temperature : 0℃ ~ 40℃
  - Housing : Plastic 
  - Weight : 60 g
  - Dimensions : Dimensions : (L x W x H) 54 x 74.5 x 18.5 mm