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20022 USB twisted-pair bus NIMIsolated 4-port RS232/RS422/RS485 serial Hub, power from USB b
Isolated 2-port RS232/RS422/RS485 serial Hub, power from USB bus
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Isolated 2-port RS232/RS422/RS485 serial Hub, power from USB bus

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Product Overview: 

This new range of serial to USB solution (USBPort/x) offers performance, simplicity of installation, security, robustness and high reliability at affordable prices.

USBPort/x is proposed in two models : 2 and 4 isolated port with 3 in 1 serial interface RS232, RS422 & RS485 in order to cover all technical requirements of industrial environments.

USBPort/x installation is quite simple as the product is instantly plug & play, it doesn't require any IRQ, DMA or I/O port resources.

Installed serial ports are considered by Windows 9x, Windows 2000, Windows XP & Linux operating systems as computer's standard COM ports.



Characteristics summary:

  • 2 or 4 ports with built-in 3 in 1 serial electrical interface : RS232, RS422 & RS485
  • Each serial port speeds up to 921.6 Kbps (full duplex)
  • Built-in self line turn-around in the RS485 mode
  • Support of both 4 wires RS422/RS485 & RS485 2 wires electrical interfaces
  • LEDs signalling of the state of TxD & RxD signals on each port
  • Powered from USB bus or from an external power source (+9VDC to +36VDC)
  • Hot "Plug & Play", USB 2.0 standard, 1.1 compatible
  • Installed COM ports are compatible with Windows standard COM ports
  • 15 KV line surge protection, HF filtering
  • 2500V opto isolation on RS422/RS485 serial ports
  • Robust metallic case, CE industrial standards conformity