{"product_id":"db9-rs232-rs422-rs485-breakout-board-terminal-block-adapter","title":"DB9 RS232\/RS422\/RS485 Breakout Board Terminal Block Adapter","description":"\n\u003ch2\u003eDB9 Serial Port Breakout Board – RS232 \/ RS422 \/ RS485 to Terminal Block Adapter\u003c\/h2\u003e\n\u003cp\u003eSimplify your serial communication wiring with this versatile \u003cstrong\u003eDB9 Male\/Female to Terminal Block Adapter\u003c\/strong\u003e. Whether you're prototyping, testing, or integrating industrial serial devices, this compact breakout board makes it easy to access every RS232, RS422, or RS485 signal line via convenient screw-terminal connections — no soldering required on the wires.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for engineers, makers, and technicians who need quick, reliable access to DB9 serial port signals, this adapter supports a wide range of low-voltage applications. CE and RoHS certified for peace of mind. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protocol Support:\u003c\/strong\u003e Compatible with RS232, RS422, and RS485 serial communication standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDB9 Male \u0026amp; Female Options:\u003c\/strong\u003e Available in both connector orientations to suit your setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScrew Terminal Block:\u003c\/strong\u003e Each DB9 pin is broken out to a labeled screw terminal for fast, tool-free wire connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Supports 5V, 12V, 20V, and 30V applications (below 50Vac \/ 75Vdc)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery \/ No Wireless:\u003c\/strong\u003e Pure passive breakout — clean signal routing with no interference\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets European compliance standards; free of high-concern chemicals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Sturdy:\u003c\/strong\u003e Robust PCB construction for bench use or panel mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS232, RS422, RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDB9 Male \/ Female to Screw Terminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V, 12V, 20V, 30V (Low Voltage: below 50Vac \/ 75Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial automation and PLC wiring\u003c\/li\u003e\n  \u003cli\u003eSerial device prototyping and debugging\u003c\/li\u003e\n  \u003cli\u003eLab bench testing of RS232\/RS422\/RS485 equipment\u003c\/li\u003e\n  \u003cli\u003eCustom cable harness development\u003c\/li\u003e\n  \u003cli\u003eRetrofit and repair projects involving legacy serial ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What serial protocols does this DB9 breakout board support?\u003c\/h4\u003e\n\u003cp\u003eA: This breakout board adapter is compatible with RS232, RS422, and RS485 serial communication protocols, making it highly versatile for a wide range of industrial and hobbyist applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need to solder wires to use this terminal block adapter?\u003c\/h4\u003e\n\u003cp\u003eA: No soldering is required on the wire side. Simply insert your wires into the clearly labeled screw terminal blocks and tighten the screws for a secure connection. This makes wiring fast, clean, and easily reconfigurable.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this adapter suitable for both RS485 and RS232 devices?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The DB9 to terminal block adapter supports RS232, RS422, and RS485 standards, so it works with a broad variety of serial devices including PLCs, industrial sensors, computers, and legacy serial equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage ranges are supported by this breakout board?\u003c\/h4\u003e\n\u003cp\u003eA: The board supports 5V, 12V, 20V, and 30V DC applications, and operates within the EU Low Voltage Directive range (below 50Vac or 75Vdc).\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What serial protocols does this DB9 breakout board support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This breakout board adapter is compatible with RS232, RS422, and RS485 serial communication protocols, making it highly versatile for a wide range of industrial and hobbyist applications.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to solder wires to use this terminal block adapter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No soldering is required on the wire side. Simply insert your wires into the clearly labeled screw terminal blocks and tighten the screws for a secure connection. This makes wiring fast, clean, and easily reconfigurable.\"}}, {\"@type\": \"Question\", \"name\": \"Is this adapter suitable for both RS485 and RS232 devices?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The DB9 to terminal block adapter supports RS232, RS422, and RS485 standards, so it works with a broad variety of serial devices including PLCs, industrial sensors, computers, and legacy serial equipment.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage ranges are supported by this breakout board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board supports 5V, 12V, 20V, and 30V DC applications, and operates within the EU Low Voltage Directive range (below 50Vac or 75Vdc).\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DB9 RS232\/RS422\/RS485 Breakout Board Terminal Block Adapter\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/products\/db9-rs232-rs422-rs485-breakout-board-terminal-block-adapter\"}]}\u003c\/script\u003e","brand":"Richie's","offers":[{"title":"DB9 Female A","offer_id":57603573514406,"sku":"1005009543087275-DB9 Female A","price":20.43,"currency_code":"USD","in_stock":true},{"title":"DB9 Male","offer_id":57603573547174,"sku":"1005009543087275-DB9 Male","price":21.98,"currency_code":"USD","in_stock":true},{"title":"DB9 Female B","offer_id":57603573579942,"sku":"1005009543087275-DB9 Female B","price":19.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2182\/7494\/files\/S0a0e2c332b6b4dccbe4cdd21c8521bb20.webp?v=1791722317","url":"https:\/\/richiesmart.com\/products\/db9-rs232-rs422-rs485-breakout-board-terminal-block-adapter","provider":"Richie's","version":"1.0","type":"link"}