{"product_id":"1-1-master-slave-3g-sdi-2x1-auto-changeover-switcher","title":"1+1 Master-Slave 3G-SDI 2x1 Auto Changeover Switcher","description":"\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003e 1+1 Master-Slave Broadcast Redundancy Switch with Video Freeze, Black Screen \u0026amp; Audio Silence Detection | 3G\/HD\/SD-SDI Failover Switch with Dual SDI Loopouts for PIS \u0026amp; Live Transmission\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Features \/ Bullet Points (5 Features)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"7,0,0\"\u003e\n\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e1+1 MASTER-SLAVE REDUNDANCY \u0026amp; FAILOVER:\u003c\/b\u003e Features intelligent automatic switching between Master (SDI 1) and Slave (SDI 2) inputs. Designed for mission-critical broadcast environments, train Passenger Information Systems (PIS), and live video production, it instantly switches to the secondary input when the primary signal is lost, ensuring continuous, uninterrupted transmission.\u003c\/li\u003e\n\u003cli data-path-to-node=\"7,1,0\"\u003e\n\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eADVANCED SIGNAL LOSS DETECTION:\u003c\/b\u003e Equipped with broadcast-grade signal monitoring that detects video freeze, black screens, and audio silence. If both Master and Slave inputs fail simultaneously, the switcher displays a custom user-configurable frozen hold frame to maintain system stability downstream.\u003c\/li\u003e\n\u003cli data-path-to-node=\"7,2,0\"\u003e\n\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eDUAL INDEPENDENT SDI LOOPOUTS:\u003c\/b\u003e Built with 2-channel SDI inputs and 2-channel dedicated SDI loopouts. SDI Loop 1 directly mirrors SDI Input 1 (Master) and SDI Loop 2 directly mirrors SDI Input 2 (Slave), enabling seamless local monitoring of both primary and secondary feeds.\u003c\/li\u003e\n\u003cli data-path-to-node=\"7,3,0\"\u003e\n\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eBROADCAST QUALITY \u0026amp; WIDE FORMAT SUPPORT:\u003c\/b\u003e Delivers 1:1 signal passthrough keeping the exact input quality with zero latency or distortion. Fully supports \u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"153\"\u003e3G-SDI, HD-SDI, SD-SDI, and DVB-ASI\u003c\/b\u003e signals at resolutions including \u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"222\"\u003e1080p @ 60\/50Hz\u003c\/b\u003e, 1080i @ 60\/50\/30Hz, 720p @ 60\/50Hz, and SD 576i.\u003c\/li\u003e\n\u003cli data-path-to-node=\"7,4,0\"\u003e\n\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eCOMPACT INDUSTRIAL DESIGN:\u003c\/b\u003e Housed in an ultra-compact metallic enclosure measuring \u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"83\"\u003e120 x 104 x 28 mm\u003c\/b\u003e. Operates on low-voltage DC 5V power and supports both standalone desktop positioning and mountable installation for control racks, OB vans, or transit equipment cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eProduct Overview \/ Description\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eThe \u003cb data-path-to-node=\"11\" data-index-in-node=\"4\"\u003e3G-SDI 2x1 Master-Slave Redundancy Switcher\u003c\/b\u003e is a high-performance, broadcast-grade auto-changeover solution designed to eliminate downtime in critical video workflows. Ideal for broadcasting systems, live events, outdoor production trucks, and rail transit Passenger Information Systems (PIS), this switcher guarantees active signal continuity by monitoring feed health in real time.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eHow It Works\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp data-path-to-node=\"13\"\u003eUnder normal operation, \u003cb data-path-to-node=\"13\" data-index-in-node=\"24\"\u003eSDI 1\u003c\/b\u003e serves as the primary Master input. The internal monitoring unit constantly evaluates video and audio integrity. Should SDI 1 suffer signal loss, video freezing, black frames, or silent audio, the device instantly triggers auto-switchover to \u003cb data-path-to-node=\"13\" data-index-in-node=\"272\"\u003eSDI 2\u003c\/b\u003e (Slave). In the event that both inputs lose signal, the unit locks to a custom user-defined frozen picture to maintain system sync without outputting static or blank signals.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eI\/O Configuration\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eInputs:\u003c\/b\u003e 2× BNC SDI Inputs (SDI 1 Master \/ SDI 2 Slave)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eLoop Outputs:\u003c\/b\u003e 2× BNC SDI Loopouts (SDI Loop 1 from Input 1 \/ SDI Loop 2 from Input 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"18\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,1,0,0\"\u003e\u003cb data-path-to-node=\"18,1,0,0\" data-index-in-node=\"0\"\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,1,1,0\"\u003e3G-SDI Master-Slave Redundancy Switcher\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,2,0,0\"\u003e\u003cb data-path-to-node=\"18,2,0,0\" data-index-in-node=\"0\"\u003eFailover Mode\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,2,1,0\"\u003e1+1 Master-Slave Auto Changeover\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,3,0,0\"\u003e\u003cb data-path-to-node=\"18,3,0,0\" data-index-in-node=\"0\"\u003eDetection Metrics\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,3,1,0\"\u003eVideo Freeze Detection, Black Screen Detection, Audio Silence Monitoring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,4,0,0\"\u003e\u003cb data-path-to-node=\"18,4,0,0\" data-index-in-node=\"0\"\u003eSupported Formats\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,4,1,0\"\u003e3G-SDI, HD-SDI, SD-SDI, DVB-ASI\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,5,0,0\"\u003e\u003cb data-path-to-node=\"18,5,0,0\" data-index-in-node=\"0\"\u003eVideo Resolutions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,5,1,0\"\u003e1080p @ 60\/50Hz, 1080i @ 60\/50\/30Hz, 720p @ 60\/50Hz, 576i\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,6,0,0\"\u003e\u003cb data-path-to-node=\"18,6,0,0\" data-index-in-node=\"0\"\u003eInput Ports\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,6,1,0\"\u003e2× BNC (SDI 1 Master, SDI 2 Slave)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,7,0,0\"\u003e\u003cb data-path-to-node=\"18,7,0,0\" data-index-in-node=\"0\"\u003eLoopout Ports\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,7,1,0\"\u003e2× BNC (Loop 1 for SDI 1, Loop 2 for SDI 2)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,8,0,0\"\u003e\u003cb data-path-to-node=\"18,8,0,0\" data-index-in-node=\"0\"\u003ePower Supply\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,8,1,0\"\u003eDC 5V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,9,0,0\"\u003e\u003cb data-path-to-node=\"18,9,0,0\" data-index-in-node=\"0\"\u003eDimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,9,1,0\"\u003e120 × 104 × 28 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,10,0,0\"\u003e\u003cb data-path-to-node=\"18,10,0,0\" data-index-in-node=\"0\"\u003eInstallation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"18,10,1,0\"\u003eStandalone Desktop or Mountable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage:   1 x Switcher  + 1 x Power Supply Adapter with US\/EU\/UK\/AU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShop at other Market Platforms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0255\/6946\/0286\/files\/Ebay_Logo3.jpg?v=1733059807\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ebay.com\/itm\/206618623712\" title=\"2 x 1 3G-SDI  Auto Changover Switcher\" target=\"_blank\" rel=\"noopener\"\u003eBY-SDIMS-100\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0255\/6946\/0286\/files\/Amazon_Logo3.jpg?v=1733059793\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eBY-SDIMS-100\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0255\/6946\/0286\/files\/ConnectionIllustration_1024x1024.jpg?v=1791704790\" style=\"margin-bottom: 12px; float: none;\"\u003e\u003c\/div\u003e","brand":"Transwan","offers":[{"title":"Default Title","offer_id":67851316265022,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/6946\/0286\/files\/BY-SDIMS-100Main.jpg?v=1791704790","url":"https:\/\/www.transwan.com.cn\/ja\/products\/1-1-master-slave-3g-sdi-2x1-auto-changeover-switcher","provider":"Transwan","version":"1.0","type":"link"}