Industrial data converter


  • Converts RS-232 to USB interface
  • Complies to USB 1.1 and USB 2.0 standards
  • Automatic adjustment of data rate and format
  • Galvanic isolation up to 1.5kV DC
  • Plug & Play installation
  • Power supplied from USB port – no additional supply is required
  • Compatible with Windows and Linux Operating Systems


USB/232 ISO is a communication converter intended for interconnecting industrial serial buses and devices with RS-232 connection to PC’s USB port.

Connecting this converter to PC additionally exceeds the capacity of RS-232 ports. Data rate and format adjustment is performed according to requirements of RS-232 device. Module is power supplied from USB port and galvanic isolated from RS-232 devices (network). It is compatible with most operating systems enabling two access modes: as virtual serial COM port (VCP drivers up to 115 kbps), and as direct USB port (D2XX drivers up to 1 Mb/s). Drivers are installed automatically, if for some reason drivers are not recognized you can download them here.


USB/232 ISO is completely adjusted for applications in industrial communications and process automation, alarm systems and telemetry.

It is used for:

  • Interconnecting distributed I/O modules and PLCs to PC;
  • Galvanic isolation of PC from RS-232 networks;
  • Connecting PC without COM ports to RS-232 communication bus;
  • Increasing number of COM ports on PC;
  • Field data readout using laptop.


Communication connectorsUSB (type B); RS-232 (standard DB-9 male connector)
ComplianceUSB 1.1 and USB 2.0 standard
Data rate and formatAutomatically determined by RS-232 device
Maximum distance20m @ 9600 b/s
Supported operating systemsWindows and Linux
Cable in setUSB cable (type A to type B) 1.5 m
LED indicatorsON, Tx, Rx
Galvanic isolation1.5kV DC
Power supplyFrom USB port – no additional mains adapter is required
Operating temperature-25 to 70°C
Dimensions76 x 42 x 20 mm


USB/RS232 ISO10225RS232 interface converter for connecting RS232 devices to PC’s USB port.€79

*Minimum functionality kit needs to include the device and USB cable. Please note that all accessories are sold separately.

Buy from distributor


CB-USBAB-2M21473USB Cable Type A/B 1.8~2m
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Serial Cable Assembly 1.8~2m, DB9 Male to DB9 Female
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Product Documents