USB-COMi-M

1-Port USB to Serial Adapter (RS-232/422/485), DIN-rail & Wall Mountable Metal Case, 15KV ESD Protection, 5V DC Power Supply for External Devices

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Description

The USB-COMi-M/USB-COMi-SI-M USB-to-Industrial Single RS-232/422/485 Adapter is designed to make industrial communication port expansion quick and simple. Connecting to an USB port on your computer or USB hub, the USB-COMi-M/USB-COMi-SI-M instantly adds an industrial communication port to your system. By taking advantage of the USB bus, the USB Industrial I/O Adapter makes it easier than ever to add RS-232, RS-422 or RS-485 device to your system with easy plug-and-play and hot plug features. Adapting the new technology, the industrial I/O communication port expansion now takes the new bus with easy and convenient connectivity.

Plugging the USB-COMi-M/USB-COMi-SI-M to USB port, the adapter is automatically detected and installed. There are no IRQ & COM port conflicts, since the port doesn’t require any additional IRQ, DMA, memory as resources on the system. The RS-232/422/485 port functions as native Windows COM port, and it is compatible with Windows serial communication applications.

The USB Industrial I/O Adapter provides instant connectivity to RS-232/422/485 communication device for factory automation equipment, multi-drop data collection devices, barcode readers, time clocks, scales, data entry terminals, PC to PC long distance communications and serial communication in harsh environments. The USB Industrial I/O provides industrial solution for applications requiring single node or multi-drop communications over short and long distance.

Features

  • Adds a high speed RS-232/422/485 serial port via USB connection
  • 512 byte receive and transmit buffer for high speed data throughput
  • Requires no IRQ, DMA, I/O port
  • RS-232 max bitrates up to 1Mbps
  • RS-422/485 max bitrates up to 3Mbps
  • Connector: one DB9 male connector one 6-pin terminal block connector
  • Auto transmit buffer control for 2-wire RS-485 half-duplex operation
  • Termination resistors installed on-board
  • RS-232 data signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
  • RS-422 data signals: Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS-
  • RS-485 data signals: Tx-, Tx+, Rx+, Rx- (4-wire), and data-, data+ (2-wire)
  • Monitor LEDs of TxD, RxD indicating port status
  • Supports power output of DC 5V 150mA, through pin 5 of terminal block connector, for external devices requiring power
  • Easy operating mode configuration and setting
  • Supports Windows 11, 10, 8.1, 8, 7, XP, Windows Server 2025, 2022, 2019, 2016, 2012 R2, 2012 and 2008 R2
  • Supports Linux Kernel version 3.0 and later
  • Supports Apple-provided VCP on OS X 10.9 and later

Specifications

USB Bus
InterfaceUSB 2.0 Full Speed, USB 1.1 compliant
Speed12Mbps, full-speed USB
USB ConnectorUSB type B
Serial Interface
InterfaceRS-232/422/485
Number of Ports1
ConnectorDB9 male
Max. SpeedRS-232:up to 1Mbps
RS-422/485:up to 3Mbps
RS-232 SignalsDCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
RS-422 SignalsTxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 Signals (4 wire)TxD-, TxD+, RxD+, RxD-, GND
RS-485 Signals (2 wire)Data-, Data+, GND
FIFO512 bytes transmit /receive FIFO
Protection15kV ESD protection for all signals
Serial Communication Parameters
Data Bits7, 8
ParityNone, Even, Odd, Mark, Space
Stop Bit1, 2
Flow ControlHardware (RTS, CTS), XON/XOFF
Drivers Support
WindowsWindows 11, 10, 8.1, 8, 7, XP
Windows Server 2025, 2022, 2019, 2016, 2012 R2, 2012 and 2008 R2
LinuxLinux Kernel version 3.0 and later
MacApple-provided VCP on OS X 10.9 and later
Power
Power InputPower supplied via USB connector
No external power needed
Power Output5V, 150mA through pin 5 of terminal block
Mechanical
CasingSECC metal chassis with DIN rail bracket
Environmental
Operating Temperature0°C to 55°C (32°F to 131°F)
Storage Temperature-20°C to 75°C (-4°F to 167°F)
Operating Humidity5% to 95% RH
Safety ApprovalsCE, FCC

Document

Product Manual

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USB-COMi-M & USB-COMi-SI-M Manual (Current Version)

1 file(s) 884.30 KB
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USB-COMi-M & USB-COMi-SI-M Manual (Last Version)

1 file(s) 781.16 KB
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Software

Driver Installation

You need to install driver first, prior to hardware installation. Do not connect the USB-to-Serial Adapter to the USB port of your computer, before you finish driver installation. 

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USB to Serial Drivers 2.12.36.4 for Windows

1 file(s) 2.11 MB
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USB to Serial Driver 2.2.18 for Mac OS X 10.3 to 10.8

1 file(s) 419.94 KB
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USB to Serial Driver 2.4.4 for Mac OS X 10.9 and above

1 file(s) 73.76 KB
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Uninstalling Drivers

Uninstallation Guide For Windows 2000

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Driver Uninstalling for Windows 2000

1 file(s) 361.05 KB
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Uninstallation Guide For Windows 10, 8.1, 8, 7, Vista, XP, Server 2016, Server 2008, Server 2003

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Driver Uninstalling for Windows 10, 8.1, 8, 7, Vista, XP, Server 2016, Server 2008, Server 2003

1 file(s) 643.52 KB
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