AUM-385 & AUM-385-T ( USB to RS-422 / 485 Converter with 120Ω Terminator Resister & 5V Power )
AUM-385 AUM-385+AUM-385-T AUM-385-T (Option)
RS - 422 Mode RS - 485 Mode
Features Specification
  • Bus powered - FTDI Chipset
  • Terminal I/O Pin ESD Protection +-15kV
  • Standard USB TO RS-422/485 Adapter
  • Driver Maintains High Impedance in Three-State or with the Power Off
  • RS-485 data transfer without software  Maintains
  • USB to DB9M RS-422/485 Converter  
  • Easy to install , Plug & Play
  • Stander  RS-422 / 485 Port support
  • Fully compliant with USB Spec.
  •  For Win-98/se/me , Win-2000, Win7,Win8
  • Win-NT up 5.0 Ver
  • With 422/485 selector switch 
  • Support MAC OS. 8.6 up ,Linux 
  • Support Windows 98se/2000/XP/Vista/7
  • Housing : Plastic
  • Weight :  15g
  • Dimensions (L*W*H) : 50 * 30 * 12 ( mm ) 
  • Data rate : Up to 250 K bps   
  • With RS-422 or RS- 485 driver & 5V Power
  • RS-422 Mode : Full TX-RX data transfer
  • RX Data with 120Ω Terminator Resister
  • RS-485 Mode : Half TX-RX data transfer
  • Hardware control data transfer
  • RX no self data Monitor function
  • On Board Option 120Ω Terminator Resister
  • High Input Impedance : Up to 256 Transceivers on the Bus
DB9M RS-422 RS-485
Pin 1 RX - D- D-
Pin 2 TX - D- D-
Pin 3 TX - D+ D+
Pin 4 RX - D+ D+
Pin 5 GND
Pin 6 120Ω Terminator Resister
Pin 7 USB +5V/450mA Out put
Pin 8/9 No Use