S434io Serial Port Sharer ,1 isolated RS422/485 master port to 3 isolated RS422/485 slave port

Minimum Order Quantity : Under 1000
Are samples available for this product? : Yes
Current Export Markets : Worldwide

Language : English

S434io Serial Port Sharer


Serial Port interface:

  • Connector type: DB9 male connector.
  • Interface type: isolated RS422/485.
  • Number of ports: 4 (port A,B,C,D)
    • NOTE: RS422 or RS485 interface type set by DIP switch.
    • NOTE: each port with 5 signal pin TX+ , TX- , RX+ , RX- , isolated GND
    • NOTE: In RS485 interface type support Auto-Data-Direction-Control feature. short TX+ and RX+ as DATA+. short TX- and RX- as DATA- signal.

Power input:

  • UP110/UP220 US/EU type power adaptor.
  • 100--240 VAC input.
  • 5VDC 1000mA output.
  • Current consumption: 400mA @ 5VDC.

LED indicator:

  • PWR: DC power input ON indicator.
  • ATRX: serial port A TXD/RXD signal activity.
  • BTRX: serial port B TXD/RXD signal activity.
  • CTRX: serial port C TXD/RXD signal activity.
  • DTRX: serial port D TXD/RXD signal activity.


  • S434io box: 90mm (W) * 150mm (L) * 27mm(H)


  • Operating temperature: 0℃ to 55℃.
  • Operating humidity: 10% to 95% RH.
  • Storage temperature: 0℃ to 65℃.
  • Storage humidity: 5% to 95% RH.


  • TB485:DB9 Female to RS485 terminal block kit.

Other series product:

  • S432io box is ISO RS422/485 master port and 3 ISO RS232 slave ports.
  • S232io box is ISO RS232 master port and 3 ISO RS232 slave ports.
  • S234io box is ISO RS232 master port and 3 ISO RS422/485 slave ports.

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