{"product_id":"simrad-is42j-motormeter-en-j1939-gateway","title":"Simrad IS42J Digital Gauge","description":"\u003ch2\u003eSimrad IS42J Digital Gauge with J1939 Gateway\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e4.1-inch instrument display with integrated J1939 engine bus gateway.\u003c\/strong\u003e\u003cbr\u003e\nThe IS42J combines two important functions in one device: a full-fledged 4.1-inch instrument display and a J1939 to NMEA 2000 gateway. This allows the device to connect commercial diesel and gas engines with a J1939 bus to your Simrad NMEA 2000 network and visualize engine data directly on the built-in screen.\u003c\/p\u003e\n\u003cp\u003eSuitable for commercial vessels, motor yachts with larger engines, and installations where J1939 engine data needs to be translated to NMEA 2000 for display on MFDs and other instruments.\u003c\/p\u003e\n\u003ch3\u003eWhy choose the IS42J?\u003c\/h3\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual function:\u003c\/strong\u003e instrument display and J1939 gateway in one device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.1-inch color screen:\u003c\/strong\u003e clear display with physical buttons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ1939 engine bus integration:\u003c\/strong\u003e commercial engines directly in your Simrad network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNMEA 2000 output:\u003c\/strong\u003e engine data visible on all compatible displays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact platform:\u003c\/strong\u003e no separate gateway module needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho is this product for?\u003c\/h3\u003e\n\u003cp\u003eThe IS42J is designed for owners of commercial engines, heavy diesels, and motor yachts with a J1939 engine bus. Suitable for charter boats, fishing boats, motor yachts, and commercial vessels where engine data needs to be visible on the Simrad network.\u003c\/p\u003e\n\u003ch3\u003eWhat does it offer you?\u003c\/h3\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo functions, one device:\u003c\/strong\u003e less hardware, less installation work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect engine overview:\u003c\/strong\u003e all J1939 data visible on the built-in screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork-wide visibility:\u003c\/strong\u003e engine data also on MFDs and other instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact installation:\u003c\/strong\u003e one mounting location for display and gateway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuture-proof:\u003c\/strong\u003e expandable within the NMEA 2000 network.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails class=\"aml-acc\"\u003e\u003csummary\u003e\u003cspan\u003eTechnical specifications\u003c\/span\u003e\u003c\/summary\u003e\n\u003ctable class=\"spec\"\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eInstrument display with integrated J1939 gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScreen Size\u003c\/th\u003e\n\u003ctd\u003e4.1-inch color screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperation\u003c\/th\u003e\n\u003ctd\u003ePhysical buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNetwork\u003c\/th\u003e\n\u003ctd\u003eNMEA 2000 and J1939\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGateway Function\u003c\/th\u003e\n\u003ctd\u003eJ1939 to NMEA 2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003e12 V to 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater Resistance\u003c\/th\u003e\n\u003ctd\u003eIPX7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eFlush mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/details\u003e\n\u003cdetails class=\"aml-acc\"\u003e\u003csummary\u003e\u003cspan\u003eAdditional features\u003c\/span\u003e\u003c\/summary\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable pages:\u003c\/strong\u003e multiple instrument pages with user-selected data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ1939 engine parameters:\u003c\/strong\u003e RPM, fuel, temperature, pressure, alarms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNMEA 2000 broadcast:\u003c\/strong\u003e J1939 data shareable with other network devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine brands:\u003c\/strong\u003e support for various J1939 engine manufacturers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarms:\u003c\/strong\u003e adjustable thresholds for engine parameters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/details\u003e\n\u003cdetails class=\"aml-acc\"\u003e\u003csummary\u003e\u003cspan\u003eDownloads\u003c\/span\u003e\u003c\/summary\u003e\u003cul class=\"bul-tidy\"\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.simrad-yachting.com\/downloads\/instruments\/\" target=\"_blank\" rel=\"noopener\"\u003eOfficial Simrad downloads for instruments\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\n\n\u003c!-- ====== STYLING ====== --\u003e\n\u003cstyle\u003e\n.aml-acc{margin:12px 0;border:1px solid #e3e7ea;border-radius:12px;background:#f7fafb}\n.aml-acc[open]{background:#f1f5f7}\n.aml-acc\u003esummary{display:flex;align-items:center;gap:.6rem;cursor:pointer;padding:14px 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