{"product_id":"silent-knight-6815-signaling-line-circuit-slc-expander-module-system-sensor-protocol","title":"Silent Knight 6815 Signaling Line Circuit SLC Expander Module System Sensor Protocol","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"citation-246 citation-end-246\"\u003eThe Silent Knight 6815 is a dedicated signaling line circuit (SLC) expander module designed to increase the addressable point capacity of commercial fire alarm control panels.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-245 citation-end-245\"\u003eThis printed circuit board connects via an RS-485 system bus to support an additional 159 System Sensor (SK) detectors and 159 SK modules on a single data loop.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e By distributing network communication capabilities, the expander allows for the seamless integration of supplementary life safety devices across expanding facility infrastructure.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCondition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\/Never Used Surplus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSilent Knight (Honeywell)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCategory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFire Alarm Parts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePart Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6815\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSubcategory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSLC Expanders\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSystem Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6820, 6820EVS, IFP-300, IFP-2100\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProtocol Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Sensor (SK) \/ IDP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMaximum Device Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e159 Sensors \/ 159 Modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCommunication Interface\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS-485 System Bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMaximum Current Draw\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e78 mA (Standby and Alarm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 to 120 Degrees Fahrenheit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBoard Dimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.2 x 4.8 Inches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAgency Listings\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUL Listed, CSFM, FM Approved\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.4 lbs\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\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan\u003e6815\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"citation-244 citation-end-244\"\u003eThe 6815 is an advanced solid-state expansion board engineered for direct compatibility with Honeywell Silent Knight 6820 and 6820EVS addressable fire alarm panels.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-243 citation-end-243\"\u003eIt operates using the standardized System Sensor (SK) communication protocol to interface smoothly with both hardwired and SWIFT wireless fire detection devices.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Fire protection technicians deploy this expander within distributed commercial life safety systems to customize and scale device configurations without replacing the primary control chassis. The internal architecture features integrated LED diagnostics to visually confirm active network communication and immediately report isolated loop failures to the central processing hub.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-242 citation-end-242\"\u003e● Expanded Device Capacity: Supports up to 159 additional System Sensor (SK) detectors and 159 control modules per loop to maximize network reach.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-241 citation-end-241\"\u003e● RS-485 System Bus: Communicates securely with the primary fire alarm control panel utilizing a high-speed, supervised serial connection.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e● Protocol Compatibility: Engineered exclusively for use with standard SK and IDP addressable protocols, ensuring seamless sensor integration.\u003c\/p\u003e\n\u003cp\u003e● Wireless Integration Support: Facilitates the addition of SWIFT wireless fire detection equipment alongside traditional hardwired sensors on the identical circuit.\u003c\/p\u003e\n\u003cp\u003e● Active LED Diagnostics: Includes an onboard green indicator light that blinks continuously to visually confirm stable digital communication.\u003c\/p\u003e\n\u003cp\u003e● Compact Board Design: Features a low-profile printed circuit architecture that mounts securely within the main panel enclosure or an approved remote cabinet.\u003c\/p\u003e\n\u003cp\u003e● Standard Wiring Infrastructure: Operates efficiently over standard unshielded, non-twisted copper wiring to minimize installation complexity.\u003c\/p\u003e\n\u003cp\u003eThe 6815 delivers the reliability and precision required for scalable fire detection and comprehensive life safety monitoring in commercial environments.\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52612978245930,"sku":"6815","price":455.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/6815_edited.jpg?v=1789482599","url":"https:\/\/iqelectro.com\/products\/silent-knight-6815-signaling-line-circuit-slc-expander-module-system-sensor-protocol","provider":"IQElectro","version":"1.0","type":"link"}