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2x 422/485 USB

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USB to Dual Serial RS-422/RS-485 Port Converter with Isolation/Surge

Limited stock, 4 available.
USB to dual serial port converter with DB9 (9-pin male) connectors. RS-422/RS-485) Comes with a USB cable & power supply (120 volt, 60 hz). This model supplies Optical Isolation & Surge Protection. Each RS-422/485 port is individually optically isolated with 2000 volt DC optical isolation.
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USB-2COMi-M USB to Dual RS422/RS-485 Industrial Adapter

Limited stock, 1 available.
Support for your existing RS422 and RS485 serial devices doesn’t disappear because your new computer doesn’t have serial ports. The USB-2COMi-M USB to Dual Serial Adapter supports 2 DB9 high speed communication with 128 byte FIFO, Terminal Block and 2-pin DIP Switch mode control.
Part# USB-2COMi-M
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USB2-4COM-SI-M - 4-Port RS-232 USB-to-Serial Adapter, with Optical-isolation and Surge Protection, Metal Case

Limited stock, 2 available.
4 port USB to RS232 DB9 serial port has optical isolation and surge protection all housed in a professional metal case. Can be Surface mounted. Great for Labs, Medical applications, Camera control, Amateur Radio and many other RS232 applications.
Part# USB2-4COM-SI-M
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2 Port USB to RS-422 /485 Optical Isolated Adapter

Limited stock, please call or email for status.
This 2-Port USB to RS-422/485 serial adapter allows you to add two RS-422 or RS-485 serial ports by connecting to a USB port. This adapter offers 2000V optical isolation and 25KV ESD surge protection.