{"product_id":"bosch-solution-4000-8-zone-sdi2-input-expansion-module-b208","title":"Bosch B228 — Solution 4000 SDI2 8-Zone \u0026 2-Output Expander Module","description":"\u003cdiv class=\"cg-premium-wrap\"\u003e\n\u003cspan class=\"cg-badge cg-badge--desktop\" style=\"background:#EC1C24;color:#fff;border:none;box-shadow:none;\"\u003eSolution 4000 · SDI2 8-Zone \u0026amp; 2-Output Expander\u003c\/span\u003e\n\u003cspan class=\"cg-badge cg-badge--mobile\" style=\"background:#EC1C24;color:#fff;border:none;box-shadow:none;\"\u003eSDI2 Zone Expander\u003c\/span\u003e\n\u003ch2 class=\"cg-h2-sub\"\u003eBosch B228 Zone \u0026amp; Output Expander — Australian Stock \u0026amp; 3-Year Warranty\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBosch B228\u003c\/strong\u003e is a hardwired SDI2 expansion module that adds \u003cstrong\u003e8 fully supervised zone inputs\u003c\/strong\u003e and \u003cstrong\u003e2 programmable outputs\u003c\/strong\u003e to a Bosch \u003cstrong\u003eSolution 4000\u003c\/strong\u003e intrusion panel. Connecting over the high-speed 4-wire SDI2 bus, the black \u003cstrong\u003eB228\u003c\/strong\u003e PCB mounts inside the panel enclosure or a remote sub-enclosure, letting you wire additional PIR detectors, reed switches, glass-break sensors and duress buttons without long cable runs back to the panel. Supplied as genuine Australian stock and backed by a 3-year Australian warranty.\u003c\/p\u003e\n\u003cdiv class=\"cg-feature-strip\"\u003e\n\u003cdiv class=\"cg-feature-pill\"\u003e\n\u003cdiv class=\"cg-feature-pill__icon\"\u003e\u003csvg class=\"cg-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\u003e\u003crect x=\"4\" y=\"4\" width=\"16\" height=\"16\" rx=\"2\"\u003e\u003c\/rect\u003e\u003cpath d=\"M9 9h6v6H9z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__label\"\u003eModel \/ SKU\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__value\"\u003eB228\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill\"\u003e\n\u003cdiv class=\"cg-feature-pill__icon\"\u003e\u003csvg class=\"cg-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\u003e\u003cpath d=\"M13 2L3 14h9l-1 8 10-12h-9l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__label\"\u003eCapacity\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__value\"\u003e8 Zones + 2 Outputs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill\"\u003e\n\u003cdiv class=\"cg-feature-pill__icon\"\u003e\u003csvg class=\"cg-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\u003e\u003cpath d=\"M5 12h14M12 5l7 7-7 7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__label\"\u003eBus Interface\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__value\"\u003e4-Wire SDI2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill\"\u003e\n\u003cdiv class=\"cg-feature-pill__icon\"\u003e\u003csvg class=\"cg-icon\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003cpath d=\"M9 12l2 2 4-4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__label\"\u003ePanel\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-pill__value\"\u003eBosch Solution 4000\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-feature-grid\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003e8 Supervised Zone Inputs\u003c\/h3\u003e\n\u003cp\u003eAdds eight independent EOL-monitored hardwired zones for PIRs, reed switches, glass-break detectors or duress buttons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e2 Programmable Outputs\u003c\/h3\u003e\n\u003cp\u003eTwo onboard outputs drive relays, strobes, buzzers or status indicators mapped to panel events.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eFast SDI2 Connection\u003c\/h3\u003e\n\u003cp\u003eLinks to the Solution 4000 over the plug-and-play 4-wire SDI2 data bus with simple address configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eFlexible Mounting\u003c\/h3\u003e\n\u003cp\u003eCompact black PCB snaps into the panel cabinet or a remote enclosure to cut field wiring distances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-spec-section\"\u003e\n\u003cdiv class=\"cg-spec-section__title\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cdiv class=\"cg-table-wrap\"\u003e\u003ctable class=\"cg-spec-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eBosch B228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHardwired zone \u0026amp; output expander module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZone Inputs\u003c\/td\u003e\n\u003ctd\u003e8 (not further expandable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2 programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interface\u003c\/td\u003e\n\u003ctd\u003eSDI2 (4-wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePanel Compatibility\u003c\/td\u003e\n\u003ctd\u003eBosch Solution 4000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e12 VDC (via SDI2 bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePCB, enclosure mount (black)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e73.5 x 127 x 15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 Years (Australia)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003cdiv class=\"cg-download-row\"\u003e\n\u003ca class=\"cg-btn-dark\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/1554\/1221\/files\/BOSB228_B228_datasheet_1.pdf\" title=\"B228 Datasheet\"\u003eB228 Datasheet\u003c\/a\u003e\n\u003ca class=\"cg-btn-light\" href=\"#\" title=\"Bosch Zone Expander Quick Start Guide\"\u003eBosch Zone Expander Quick Start Guide\u003c\/a\u003e\n\u003ca class=\"cg-btn-light\" href=\"#\" title=\"Bosch Zone Expander User Manual\"\u003eBosch Zone Expander User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"cg-faq-grid\"\u003e\n\u003cdiv class=\"cg-faq-item\"\u003e\n\u003cstrong\u003eWhich Bosch panel does the B228 work with?\u003c\/strong\u003e\u003cbr\u003eThe B228 is designed for the Bosch Solution 4000 panel and connects over its SDI2 bus.\u003c\/div\u003e\n\u003cdiv class=\"cg-faq-item\"\u003e\n\u003cstrong\u003eHow many zones and outputs does it add?\u003c\/strong\u003e\u003cbr\u003eIt adds 8 hardwired supervised zones (not further expandable) and 2 programmable outputs.\u003c\/div\u003e\n\u003cdiv class=\"cg-faq-item\"\u003e\n\u003cstrong\u003eHow is the B228 wired to the panel?\u003c\/strong\u003e\u003cbr\u003eVia the 4-wire SDI2 data bus. It mounts as a PCB inside the panel cabinet or a remote sub-enclosure.\u003c\/div\u003e\n\u003cdiv class=\"cg-faq-item\"\u003e\n\u003cstrong\u003eWhat power does it need?\u003c\/strong\u003e\u003cbr\u003e12 VDC supplied directly from the panel's SDI2 bus, so no separate supply is normally required.\u003c\/div\u003e\n\u003cdiv class=\"cg-faq-item\"\u003e\n\u003cstrong\u003eWhat sensors can connect to the zones?\u003c\/strong\u003e\u003cbr\u003eAny standard hardwired detector — PIRs, reed switches, glass-break sensors or duress buttons — using EOL resistors.\u003c\/div\u003e\n\u003cdiv class=\"cg-faq-item\"\u003e\n\u003cstrong\u003eWhat are the module dimensions?\u003c\/strong\u003e\u003cbr\u003eThe black PCB measures 73.5 x 127 x 15 mm and mounts on standard enclosure studs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-trust-strip cg-trust-strip--dark\"\u003e\n\u003cdiv class=\"cg-trust-item\"\u003e\n\u003cspan class=\"cg-trust-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M12 2l8 4v6c0 5-3.5 8-8 10-4.5-2-8-5-8-10V6z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv class=\"cg-trust-title\" style=\"white-space:nowrap\"\u003e3-Year AU Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-trust-item\"\u003e\n\u003cspan class=\"cg-trust-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003crect x=\"1\" y=\"6\" width=\"15\" height=\"11\"\u003e\u003c\/rect\u003e\u003cpath d=\"M16 9h4l3 3v5h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"6\" cy=\"19\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"19\" cy=\"19\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv class=\"cg-trust-title\" style=\"white-space:nowrap\"\u003eFast AU-Wide Shipping\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cg-trust-item\"\u003e\n\u003cspan class=\"cg-trust-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cdiv class=\"cg-trust-title\" style=\"white-space:nowrap\"\u003eAU Tech Support\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":67928096473317,"sku":"BOSB228","price":212.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/1554\/1221\/files\/bosch-b208-sdi2-8-zone-expander-module-front.webp?v=1793353308","url":"https:\/\/cctvguru.com.au\/products\/bosch-solution-4000-8-zone-sdi2-input-expansion-module-b208","provider":"CCTV Guru","version":"1.0","type":"link"}