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USB to RS-232 Optically Isolated Industrial Adapter with DIN-Rail


Status: Available

USB to RS232 serial adapter designed for industrial applications manufactured with a full metal chassis and included Din rail brackets. The serial adapter includes optical isolation of 2000V and 25KV of ESD protection.


USB to RS-232 Optically Isolated Industrial Adapter with DIN-Rail

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USB-to-Serial Industrial Adapter RS-232 DB9 Optical isolation & surge protection USB to RS-232 Adapter

USB-COM-SI-M USB to Serial Adapter Optically and Surge Protected (For Industrial Applications) Metal case with DIN-Rail.

The USB-COM-SI-M USB Serial Adapter is designed for industrial applications to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds a RS-232 serial communication port to your system.

By taking advantage of the USB bus, the USB Serial Adapter makes it easier than ever to add serial ports and serial devices to your system with easy plug-and-play and hot plug features. Plugging the USB Serial Adapter to the USB port, the adapter is automatically detected and installed.

There are no IRQ & COM port conflicts, since the port dont require any additional IRQ, DMA, memory as resources on the system. The adapter is powered by the USB port, and no external power adapter is required.

The adapter is with DIN rail bracket for industrial environment. The USB Serial Adapter provides instant connectivity with modems, ISDN TAs, PDAs, handheld & pocket PCs, digital cameras, POS, serial printers. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring high speed RS-232 serial communication port.


Feature & Specification Model No.: USB-COM-SI-M

  • Adds one RS-232 serial port by connecting to USB port Installed as standard Windows COM port Full RS-232 modem control signals
  • RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
  • 2000V DC optical isolation
  • 25KV ESD surge protection
  • Serial port speed up to 230K bps
  • USB cable of 0.9 meter included
  • Powered by USB port. No external power adapter required.
  • FIFO: 128 byte transmit buffer 384 byte receive buffer
  • Easy plug & play installation and RS-232 device connection
  • Works with USB 1.1 & 2.0 host port
  • One DB9 male connector
  • LEDs of Power, RxD, TxD for monitoring port status & easy diagnostics
  • SECC sheet metal chassis with DIN rail bracket
  • Dimensions: 57mm x 76mm x 23mm
  • 82mm x 76mm x 23mm (with DIN rail bracket)
  • COM Port Number can be changed to COM1 to COM4 to support HyperTerminal, or any other COM port number required
  • Supports Windows 10, 8, 7, Vista, XP, 2003, 2000, ME, 98.


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Manufacturer: USBGearWarranty: 1 YearAvailability: Available
Barcode: 729440690731Ship Weight: 0.60Condition: New
Part Number: USB-COM-SI-MColor: BeigeLength/Size: in
Port Count: 1Port Type: --Input Voltage: Unspecified or N/A
Temperature(Op): 0C ~ 55CESD Protection: --Serial Modes: RS232
LEDs: --Isolation: --Chip: FTDI FT231XQ


Manufacturer: USBGear
Barcode: 729440690731
Part Number: USB-COM-SI-M
Warranty: 1 Year
Ship Weight: 0.60
Color: Beige
Availability: Available
Condition: New
Port Count: 1
Port Type: --
Input Voltage: Unspecified or N/A
Temperature(Op): 0C ~ 55C
ESD Protection: --
Isolation: --
Serial Modes: RS232
LEDs: --
Chip: FTDI FT231XQ