{"product_id":"black-box-ic820a-universal-rs-232-to-rs-422-485-bidirectional-converter","title":"Black Box IC820A Universal RS-232 to RS-422\/485 Bidirectional Converter","description":"Allows you to select 2-wire RS-485 or 4-wire RS-485 full-duplex operation. Selectable RS-422 operation with transmit and receive always enabled. Automatic control of the RS-485 driver, so it works without any special programming for handshake signals. Also allows the transmitter to operate the RS-232 TD signal and the receiver to operate when not transmitting. Built-in jumper switches for 2- or 4-wire operation with no external jumpers to configure. Set the operating mode with four switches. Converts using port power or power from an external 120 VAC\/12 VDC power supply (sold separately). No external power is required if two RS-232 output protocol lines are available. _DELETE_ \u003cp\u003eIC820A\u003c\/p\u003e","brand":"BLACKBOX","offers":[{"title":"Default Title","offer_id":47280423731357,"sku":"DT-822088065678","price":196.42,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/5262\/2493\/files\/918YmeeIyeL.UL500.jpg?v=1760115507","url":"https:\/\/dealtargets.ca\/products\/black-box-ic820a-universal-rs-232-to-rs-422-485-bidirectional-converter","provider":"Dealtargets","version":"1.0","type":"link"}