ASM-232 ( RS-232 Link Tester )

 
Features & Specification
RS-232 DB-9 / DB25  Pin assignment
  • No Power required   
  • Standard RS-232 DTE & DCE Interface
  • With  DB-9 / F  &  DB-9 / M Connectors 
  • Easy to install , Plug & Play
  • Stander  RS-232 Port 
  • Fully compliant with RS-232 Spec.
  • With double colors LED appeared 
  • Easy cheek data transfer & receiver
  • Compact size 
  • Fit display of RS-232 working
  • RS-232 DTE connecter : DB9 - M 
  • RS-232 DCE connecter : DB9 - F 
  • Data rate : Up to 1000 K bps   
  • With GND & Shell Test's LED
  • Single / TTL out 1 - LED appear Green (V-)
  • Single / TTL out 0 - LED appear Red (V+)
  • Housing : Plastic, 
  • Weight : 55g
  • Dimensions (L*W*H) : 45 * 35 * 21 ( mm )    body
  • DB - 9 /   DB25       Pin assignment

  • Pin1    /   Pin8    :   DCD  <== IN

  • Pin2    /   Pin3    :   RXD   <== IN

  • Pin3    /   Pin2    :   TXD    ==>  OUT

  • Pin4    /   Pin20   :   DTR    ==>  OUT

  • Pin5    /   Pin7    :   GND

  • Pin6    /   Pin6    :   DSR    <== IN

  • Pin7    /   Pin4    :   RTS     ==>  OUT

  • Pin8    /   Pin5    :   CTS     <== IN

  • Pin9    /   Pin22   :   RI        <== IN