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USB-8COMi-M USB to Serial Adapter - 8 Ports
USB-8COMi-M 8-Port USB to RS-422 / 485 Optical Isolation Serial Adapter Manual
The USB-8COMi-M USB to industrial Octal RS-422/485 Adapter is
designed 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 8 RS-422/485 multi-electrical interface serial
communication ports to your system. By taking advantage of the USB
bus, the USB-8COMi-M Adapter makes it easier than ever to add 8
RS-422/485 ports and serial devices to your system with easy plug-
and-play and hot plug features. Adapting the new technology, the
serial port expansion now takes the new bus with easy and
convenient connectivity.
Plugging the USB 8-Port RS-422/485 Adapter to the 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-422/485 port functions as native Windows COM
port, and it is compatible with Windows serial communication applications. Each port is individually configurable. The
adapter is designed with external DIP switches to set the RS-422 or RS-485 ports and different operation modes
conveniently. There is no need to open the chassis to set the ports.
The USB Serial Adapter provides instant connectivity to RS-422 or RS-485 communication devices for factory automation
equipment, multi-drop data collection devices, barcode readers, time clocks, scales, data entry terminals, ATMs and
serial communication in harsh environment. The USB to Serial Adapter is suitable for remote access, retail and industrial
application, data collection and other applications requiring high speed RS-422/485, communication ports.
Specifications and Features
•
Adds eight high speed RS-422 / 485 serial ports via USB connection.
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384 byte receive buffer.
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128 byte transmit buffer for high speed data throughput.
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Requires no IRQ, DMA, I/O port.
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Data rates: 300 bps to 921.6K bps.
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Serial Connector: one DB-9 male connector.
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Auto transmitting of buffer control for 2-wire RS-485 half-duplex operation.
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Termination resistors installed on-board.
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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.
•
Power Supply: provides an external DC12V power adapter
•
Virtual COM port drivers available for Windows 7, Vista, 2003, XP, 2000.
