{"product_id":"bosch-d928-dual-phone-line-switcher","title":"Bosch D928 Dual Phone Line Switcher","description":"\u003cp\u003e\u003cstrong\u003eBosch D928 Dual Phone Line Switcher\u003c\/strong\u003e. This specialized telecommunications module provides reliable line redundancy for critical fire alarm communication, ensuring continuous connectivity during primary line failure. - \u003cstrong\u003eOperating voltage: 12V DC\u003c\/strong\u003e - \u003cstrong\u003eCurrent draw: 50mA nominal\u003c\/strong\u003e - \u003cstrong\u003eSwitching time: less than 100ms\u003c\/strong\u003e - \u003cstrong\u003eOperating temperature: 32°F to 120°F\u003c\/strong\u003e - \u003cstrong\u003eLine compatibility: RJ31X standard jacks\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered to exceed standard commercial requirements, this switcher offers a robust alternative to basic line monitoring hardware. Unlike generic telephone relays, the D928 integrates seamlessly with digital alarm communicator transmitters to maintain stringent fire safety protocols during emergencies.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Line Reliability and System Integration\u003c\/h3\u003e\n\u003cp\u003eThe D928 utilizes high-speed solid-state switching to instantly reroute signals to a secondary line, minimizing communication latency. Its professional-grade circuitry is designed to prevent crosstalk and signal degradation, providing a stable path for critical life-safety data transmission in high-demand environments.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":53305343377702,"sku":"127517989224","price":5.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3789\/4950\/files\/medium_9dafc911-accd-4adc-b86d-9873431f4010.jpg?v=1780707842","url":"https:\/\/firealarmstore.com\/products\/bosch-d928-dual-phone-line-switcher","provider":"Incendico Fire Alarm Store","version":"1.0","type":"link"}