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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
$384.95Out of Stock
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USB to RS232 Serial Adapter USB 2.0 Serial Adapter with Optical isolation and surge protection is available on each serial port and is individually optically…
Model# USB2-4COM-SI-M
$274.95In stock