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Black Box Universal RS-232 to RS-422/485 Converter1 x DB-9 RS-232 , 1 x Terminal Block - External Black Box Corporation | IC821A | $219.10 Out of Stock | |
Black Box RS232 to RS-422 Interface Bidirectional Converter1 x DB-9 RS-232 , 1 x RS-422 Terminal Block - Internal Black Box Corporation | IC1474A-F | $168.30 Out of Stock | |
Black Box Fast Ethernet Media Converter1 x RJ-45 PoE, 1 x SC - 10/100Base-TX, 100Base-FX - External Black Box Corporation | LPM600A | $357.49 Out of Stock |