Black Box IC820A Universal RS-232 to RS-422/485 Bidirectional Converter
$141.99
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IC820A Universal RS-232 to RS-422/485 Bidirectional Converter converts RS-232 to 4-wire RS-422 or to 2- or 4-wire RS-485. This using either port power or power from an external 120-VAC/12-VDC power supply. Meet the multiple network connectivity needs of today's network environment with this 2 transceiver/media converter No hassle of internal installation, install externally
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