{"product_id":"eletechasup-ethub18-8ch-rs485-hub","title":"ETHUB18: 8-Channel RS485 Hub and Ethernet Converter","description":"\u003cdiv style=\"max-width: 820px; margin: 0 auto; font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif; color: #2b2b2b; line-height: 1.6; font-size: 16px;\"\u003e\n\u003c!-- HEADER --\u003e\n\u003cdiv style=\"border-left: 5px solid #2e8b40; padding: 4px 0 4px 18px; margin-bottom: 22px;\"\u003e\n\u003ch1 style=\"margin: 0 0 6px; font-size: 26px; line-height: 1.25; color: #1f2d24;\"\u003eeletechsup ETHUB18 — 8-Channel RS485 Hub \u0026amp; Ethernet Converter\u003c\/h1\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003eLocal Stock\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 16px; color: #5c6b60;\"\u003eTurn one Ethernet line into 8 independent RS485 ports — Modbus TCP\/RTU, MQTT \u0026amp; HTTP, with surge protection and DIN-rail mounting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- BADGE ROW --\u003e\n\u003cdiv style=\"margin: 0 0 26px;\"\u003e\n\u003cspan style=\"display: inline-block; background: #e8f4ea; color: #1f7a34; font-size: 13px; font-weight: 600; padding: 6px 13px; border-radius: 20px; margin: 0 8px 8px 0;\"\u003e1 In → 8 Out\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #e8f4ea; color: #1f7a34; font-size: 13px; font-weight: 600; padding: 6px 13px; border-radius: 20px; margin: 0 8px 8px 0;\"\u003eDC 7–30V Wide Input\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #e8f4ea; color: #1f7a34; font-size: 13px; font-weight: 600; padding: 6px 13px; border-radius: 20px; margin: 0 8px 8px 0;\"\u003eTVS Surge Protection\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #e8f4ea; color: #1f7a34; font-size: 13px; font-weight: 600; padding: 6px 13px; border-radius: 20px; margin: 0 8px 8px 0;\"\u003eModbus · MQTT · HTTP\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #e8f4ea; color: #1f7a34; font-size: 13px; font-weight: 600; padding: 6px 13px; border-radius: 20px; margin: 0 8px 8px 0;\"\u003eDIN-Rail Ready\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eThe \u003cstrong\u003eeletechsup ETHUB18\u003c\/strong\u003e is an 8-channel RS485 hub and Ethernet converter built for industrial and smart-building networks. It takes a single Ethernet interface and fans it out to \u003cstrong\u003eeight independent RS485 ports\u003c\/strong\u003e, so you can connect and manage many serial devices over one network drop.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 28px;\"\u003eIt speaks the protocols real deployments rely on — \u003cstrong\u003eUDP, TCP, Modbus TCP-to-RTU, MQTT and HTTP\u003c\/strong\u003e — all configured through a built-in web interface. Onboard \u003cstrong\u003eTVS anti-surge protection\u003c\/strong\u003e shields the RS485 lines, while a wide \u003cstrong\u003eDC 7–30V\u003c\/strong\u003e input (just 18–25 mA draw) makes it easy to power alongside existing equipment. It ships in a \u003cstrong\u003eUM72 flame-retardant DIN-rail box\u003c\/strong\u003e, ready to snap onto DIN35 \/ C45 rail.\u003c\/p\u003e\n\u003c!-- KEY FEATURES --\u003e\n\u003ch2 style=\"font-size: 19px; color: #1f7a34; border-bottom: 2px solid #e0e8e2; padding-bottom: 7px; margin: 0 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"margin: 0 0 30px;\"\u003e\n\u003cdiv style=\"margin: 0 0 11px; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003eConverts 1 Ethernet interface into \u003cstrong\u003e8 independent RS485 ports\u003c\/strong\u003e — expand one line to eight devices.\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 0 11px; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003eMulti-protocol: \u003cstrong\u003eUDP, TCP, Modbus TCP↔RTU, MQTT and HTTP\u003c\/strong\u003e work modes.\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 0 11px; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003e\u003cstrong\u003eTVS anti-surge protection\u003c\/strong\u003e guards the RS485 lines against transients.\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 0 11px; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003eWide input: \u003cstrong\u003eDC 12V\/24V nominal (7–30V range)\u003c\/strong\u003e, low 18–25 mA draw.\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 0 11px; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003eWeb-configurable baud rate up to \u003cstrong\u003e230400 bps\u003c\/strong\u003e and selectable parity (none \/ even \/ odd).\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 0 11px; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003e\u003cstrong\u003eDIN-rail ready\u003c\/strong\u003e — includes a UM72 flame-retardant (V0) rail box for DIN35 \/ C45 rail.\u003c\/div\u003e\n\u003cdiv style=\"margin: 0; padding-left: 28px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; top: 0; color: #2e8b40; font-weight: bold;\"\u003e✓\u003c\/span\u003eWorks with eletechsup RS485 devices (10IOA08, R4DCB08, R4D3B16, N4D3E16, N4AIA04).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003ch2 style=\"font-size: 19px; color: #1f7a34; border-bottom: 2px solid #e0e8e2; padding-bottom: 7px; margin: 0 0 16px;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 0 0 30px; font-size: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f5f8f6;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; width: 38%; border: 1px solid #e3e9e5;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003e1× Ethernet → 8× RS485 converter \/ hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eWork Modes\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003eUDP, TCP, Modbus TCP↔RTU, MQTT, HTTP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f8f6;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003eDC 12V\/24V (range DC 7–30V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eWorking Current\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003e18–25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f8f6;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003eDefault 115200 bps; web-selectable 1200 \/ 2400 \/ 4800 \/ 9600 \/ 19200 \/ 38400 \/ 57600 \/ 115200 \/ 230400 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eParity\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003eNone \/ Even \/ Odd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f8f6;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eSurge Protection\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003eTVS anti-surge on RS485 lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003e99 × 87 × 44 mm (PCB only); with UM72 DIN-rail box (72 mm width, 96 mm backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f8f6;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003e62 g (PCB only) \/ 140 g (with DIN-rail box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border: 1px solid #e3e9e5;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #e3e9e5;\"\u003eDIN35 \/ C45 rail — UM72 box, green, flame-retardant V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- APPLICATIONS --\u003e\n\u003ch2 style=\"font-size: 19px; color: #1f7a34; border-bottom: 2px solid #e0e8e2; padding-bottom: 7px; margin: 0 0 16px;\"\u003eApplications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 0 0 30px;\"\u003e\n\u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003ePLC \/ SCADA automation\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003eSmart home \u0026amp; building automation\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003eSecurity monitoring\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003eIdentification systems\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003eIP cameras\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003eLED lamp drivers\u003c\/span\u003e \u003cspan style=\"display: inline-block; background: #f0f3f1; color: #3a4740; font-size: 14px; padding: 7px 14px; border-radius: 6px; margin: 0 8px 9px 0;\"\u003eAutomatic curtain \/ motor control\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT'S IN THE BOX --\u003e\n\u003cdiv style=\"background: #f5f8f6; border: 1px solid #e3e9e5; border-radius: 8px; padding: 18px 22px;\"\u003e\n\u003ch2 style=\"font-size: 17px; color: #1f7a34; margin: 0 0 8px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cp style=\"margin: 0;\"\u003e1× ETHUB18 module (1 Ethernet → 8 RS485) with UM72 DIN-rail box\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Green Apple Lighting","offers":[{"title":"Default Title","offer_id":49171242025115,"sku":null,"price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0524\/8984\/6939\/files\/ETHUB18_Industrial_RS485_to_Ethernet_Hub.png?v=1785808612","url":"https:\/\/greenappleenergycompany.com\/products\/eletechasup-ethub18-8ch-rs485-hub","provider":"Green Apple Lighting","version":"1.0","type":"link"}