USB 2.0 to RS-232 4-Port Mountable Industrial Serial Adapter

The 232-IMS-4 adds 4 DB-9 male serial ports to your system via its USB 2.0 Type-A to B cable connection. It is wall mountable or with DIN-rail, this RS-232 industrial-grade serial adapter is versatile and compact for your applications.
Availability: In stock

DIN-Rail Mountable 4-Port Serial Adapter

The 232-IMS-4 is a 4-Port USB 2.0 to Industrial RS-232 Serial Adapter constructed with an industrial-grade metal chassis with multiple options for mounting for your serial application. This RS-232 serial adapter can be wall mounted via metal brackets secured by 4 screws each to either end or by DIN rail mount attached to the rear of the adapter.

The 232-IMS-4 USB to RS-232 Serial Adapter supports data transfer rates of up to 921.6Kbs over each of the 4 DB-9 male ports. Each serial port includes separate 128-byte / 384-byte FIFO buffers for its operation and uses an EXAR XR21V1414 Chipset.

ESD and Power Surge Protection

The serial adapter includes 15KV of ESD (Electro-Static Discharge) protection for each port and power input surge protection of 600W per port. The 232-IMS-4 is compliant with USB 2.0 specifications and backward compatible with USB 1.1. The option of a 3-wire terminal block and connector (included) can be used to connect additional power along with an option to use the 9 to 24V power input receptacle from a power supply (not included).


  • Adds 4 RS-232 DB-9 male ports with Hex nut secure connect
  • Compliant with USB 2.0 specification and backward compatible with USB 1.1
  • Supports serial port data transfer rate up to 921.6Kb/s
  • Separate 128-byte / 384-byte FIFO buffers for each port
  • Chipset: EXAR XR21V1414
  • Redundant 9 to 24VDC power input
  • 15KV ESD protection for RS-232 ports
  • Power input surge protection (600W) for each port
  • Wall and DIN rail mount support
  • Dimensions: 164mm x 83.5mm x 26mm

Package Contents:

  • User Manual
  • USB 2.0 Type-A to B cable (2 meters)
  • DIN-Rail and Wall Mount kit (includes mounting screws)
  • Terminal block adapter
  • Driver CD
More Information
Warranty One Year
Material Metal
RoHS Yes
Connectors DB-9, USB B Female
External Interface USB 2.0
USB Speeds (Mbps) High Speed (480)
DB9 Gender Male w/ Hex Nuts
DB9 Screws or Nuts Hex Nuts
Cable Length 2 meters
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