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USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge

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SKU: USB2-8COMi-SI-TB

Availability: In stock.

$289.95
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Quick Overview

The 8-port series of Industrial USB 2.0 to terminal block serial adapters supports RS-232, RS-422, and RS485 with electrical protections for ESD, optical isolation, and surges. DIP switch control makes it easier for the user for application requirements.

  • Supports 3KV optical Isolation, 15KV ESD protection and 600W surge protection
  • Uses FTDI FT4232H USB 2.0 to quad UART chip
  • Incorporates DIP switch control over each individual port.
  • Per port protection from ESD and Surge Protection.


8 Optically Isolated and Surge Protected serial ports

The USB2-8COMi-SI-TB is a USB 2 to 8-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD protection and 600W surge protection over each port. It is designed to make RS-422 and RS-485 serial port expansion quick and simple through its terminal block connection. All ports are controlled by DIP switches (8 4-pin DIP switches), each terminal block serial port can be individually designated for the signal your application demands. The USB 2 to 8-port serial adapter has an industrially designed metal case where the DIP switches are located within the bottom access panel.

By connecting to the USB port on your computer or available USB hub, the USB to industrial serial adapter instantly adds eight RS-232/422/485 interface serial communication ports to your system while taking advantage of both the Plug-and-Play, and Hot-Plug features of the USB bus.

The USB2-8COMi-SI-TB industrial serial adapter makes it very easy to add 8 protected industrial communication ports to your system though its terminal block interface with DIP switch controls.

Product Features

  • Supports USB 1.1 and USB 2.0 transfer speeds from 1.5 up to 480 Mbps, automatic link and speed detection.
  • Adds eight high-speed RS-232/422/485 serial ports via USB connection.
  • 2K byte receive buffer.
  • 2K byte transmit buffer for high speed data throughput.
  • Requires no IRQ, DMA, I/O port.
  • Data rates: 300 bps to 921.6K bps.
  • Each serial port supports 5-pin screw-lock-type terminal block connector.
  • Auto-transmit buffer control for 2-wire RS-485 half-duplex operation.
  • Biasing and Termination resistors installed on-board.
  • Supports RS-232 3-wire signals: RxD, TxD, GND
  • Supports RS-422, RS-485 4-wire signals: TxD-, TxD+, RxD+, RxD-
  • Supports RS-485 2-wire signals: data-, data+
  • Monitor LEDS of TxD, RxD indicating port status
  • AC to DC-12V, 1A switching power supply included
  • Supports 3KV optical Isolation, 15KV ESD protection and 600W surge protection
  • Virtual COM port drivers available for Windows 10, 8.1, 8, 7, Vista, 2003, 2000
  • Industrial grade metal case with DIN-rail ears for Din-rail mounting.
  • Chipset: Genesys GT852G 4-port USB 2.0 hub chip + FTDI FT4232H USB 2.0 to quad UART chip
  • Dimensions: 192.42 x 122.22 x 23.60 mm (L×W×H), dimensions are to DIN rail(W), to power plug(L)

Package Contents

  • USB2-8COMi-SI-TB serial adapter
  • Power adapter
  • USB cable
SKU USB2-8COMi-SI-TB
UPC 736983902467
Color Black
Manufacturer Coolgear
USB Speeds (Mbps) High Speed (480)
Compatibility , , Windows 10
Tech Notes Serial signals RS-232, RS-422, RS-485 are all controlled individually through DIP switches, termination and biasing is also DIP switch controlled, all DIP switches are located under the secure metal plate on the bottom of the chassis.
Cable Length 6 feet
Connectors Terminals
External Interface USB 2.0
Warranty One Year

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