{"product_id":"black-box-async-rs232-to-rs422-485-interface-converter-db9-to-terminal-block-1-x-db-9-rs-232-1-x-terminal-block-external","title":"Black Box Async RS232 to RS422\/485 Interface Converter - DB9 to Terminal Block - 1 x DB-9 RS-232 , 1 x Terminal Block - External","description":"\u003ch5\u003eBlack Box IC820A Universal RS-232 to RS-422\/485 Bidirectional Converter\u003c\/h5\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eEnables you to select RS-485 2-wire half-duplex or RS-485 4-wire full-duplex operation.\u003c\/li\u003e \u003cli\u003eSelectable RS-422 operation with transmit and receive always enabled.\u003c\/li\u003e \u003cli\u003eAutomatic RS-485 driver control, so it works without any special programming for handshaking signals. Also enables transmitter from RS-232 TD signal and receiver when not transmitting.\u003c\/li\u003e \u003cli\u003eBuilt-in bridging switches for 2- or 4-wire operation with no external jumpers to set.\u003c\/li\u003e \u003cli\u003eSet operating mode with four switches.\u003c\/li\u003e \u003cli\u003eConverts using either port power or power from an external 120-VAC\/12-VDC power supply (sold separately).\u003c\/li\u003e \u003cli\u003eNo external power is required if two RS-232 output handshake lines are available.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Black Box","offers":[{"title":"Default Title","offer_id":52805912920380,"sku":"1014324949","price":226.42,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/2242\/1820\/files\/1014324949.jpg?v=1772226476","url":"https:\/\/www.microcad.ca\/products\/black-box-async-rs232-to-rs422-485-interface-converter-db9-to-terminal-block-1-x-db-9-rs-232-1-x-terminal-block-external","provider":"Microcad.ca","version":"1.0","type":"link"}