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Serial Adapters - Offering a wide variety of USB to Serial Adapters, USB CAN, and IO Cards providing up to 32 ports

4 Port USB to Quad RS-422 485 Optically Isolated Adapter

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USB to Serial Adapter for RS422 and RS485 Applications The USB-4COMi-SI-M is a USB to Quad RS-422 485 Optical isolated serial adapter and is designed for…

Model# USB-4COMi-SI-M

$384.95

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Serial adapters hold many purposes. Adapters are essentially a communication system in which information is being transferred in or out bit by bit. Our adapters include up to 32 ports depending on your needs. For instance, we carry: