Advantech ADAM-4521-AEProduct Attribute Attribute Value Series ADAM 4000 Series Overview The ADAM 4521 is an intelligent RS 422 485 to RS 232 converter specifically designed to connect RS 422 485 devices to an RS 232 network. RS 232 is the most common transmission standard. Although widely available on most computer systems, measurement equipment, PLCs, and industrial devices, its transmission speed, communication distance, and especially networking capability are limited
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