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Black Box Async RS232 to RS422/485 Interface Converter IC821A
[Pre Order - allow extra time] Black Box Async RS232 to RS422/485 Interface Converter Opto-Isolated DB9 to Terminal Block, Transmit Data up to 115 kbs up to 4000', Supports up to 32 x RS485 Devices, RS485 Driver is Automatically Enabled
$184.95 Free Delivery