{"product_id":"db9-9pin-solderless-connector-rs232-rs485-adapter-board-serial-com-port","title":"DB9 9-Pin Solderless Connector RS232 RS485 Adapter Board","description":"\n\u003ch2\u003eDB9 9-Pin Solderless Connector — RS232 \/ RS485 \/ RS422 Adapter Board\u003c\/h2\u003e\n\u003cp\u003eUpgrade your serial communication setup with this versatile \u003cstrong\u003eDB9 Solderless Connector Adapter Board\u003c\/strong\u003e. Designed for RS232, RS485, and RS422 serial port applications, this adapter board supports both male and female plug configurations — no soldering required for wiring termination. The screw-terminal or nut-terminal design makes it easy to connect, adjust, and re-use across multiple projects.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with a wide range of industrial and hobbyist devices including PLCs, touch screens, programmers, and data converters, this DB9 adapter board is an essential component for anyone working with COM port serial communication.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with RS232, RS485, and RS422 serial communication standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo-Solder Wiring:\u003c\/strong\u003e Screw-clamp or nut-terminal connections — fast and tool-friendly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale \u0026amp; Female Options:\u003c\/strong\u003e Available in DB9 Screw Female, DB9 Screw Male, DB9 Nut Female, and DB9 Nut Male variants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9-Pin Two-Row Layout:\u003c\/strong\u003e Full DB9 \/ D-Sub pinout with all standard signal lines accessible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEco-Friendly Construction:\u003c\/strong\u003e Built with environmental protection engineering plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE compliance standards for low-voltage electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Supports 5V, 12V, 20V, and 30V operating environments\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFull DB9 Pinout Reference\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDCD\u003c\/strong\u003e — Data Carrier Detect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRXD\u003c\/strong\u003e — Received Data\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTXD\u003c\/strong\u003e — Transmitted Data\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDTR\u003c\/strong\u003e — Data Terminal Ready\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e — Signal Ground\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDSR\u003c\/strong\u003e — Data Set Ready\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRTS\u003c\/strong\u003e — Request to Send\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCTS\u003c\/strong\u003e — Clear to Send\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRI\u003c\/strong\u003e — Ring Indicator\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDB9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMale and Female\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS232, RS485, RS422\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnvironmental Protection Engineering Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 12V \/ 20V \/ 30V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePLC (Programmable Logic Controller) wiring\u003c\/li\u003e\n  \u003cli\u003eIndustrial touch screen serial connections\u003c\/li\u003e\n  \u003cli\u003eData converters and protocol adapters\u003c\/li\u003e\n  \u003cli\u003eProgrammer and UART serial communication\u003c\/li\u003e\n  \u003cli\u003eDIY electronics, maker boards, and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster | Wall Art\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor further reference on serial communication standards and electrical connector safety, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e, a leading authority on electronics standards and measurement.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What serial communication protocols are compatible with this DB9 adapter board?\u003c\/h4\u003e\n\u003cp\u003eA: This DB9 solderless connector adapter board is fully compatible with RS232, RS485, and RS422 serial communication protocols. It is suitable for use with PLCs, touch screens, data converters, programmers, and other COM port serial devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need soldering skills to use this DB9 connector?\u003c\/h4\u003e\n\u003cp\u003eA: No. This adapter board is designed with screw-terminal or nut-terminal connections, allowing you to securely fasten wires without any soldering. Simply loosen the screw, insert your wire, and tighten — making it ideal for field wiring and quick prototyping.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the DB9 Screw and DB9 Nut variants?\u003c\/h4\u003e\n\u003cp\u003eA: The DB9 Screw variant uses a flat-blade or Phillips screw to clamp down the wire, while the DB9 Nut variant uses a nut-and-bolt style terminal for a more secure mechanical grip. Both variants are available in male and female configurations to match your specific application.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this DB9 adapter CE certified?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This product carries CE certification and complies with EU Low Voltage Directive (LVD) requirements for devices operating below 50Vac or 75Vdc.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What serial communication protocols are compatible with this DB9 adapter board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DB9 solderless connector adapter board is fully compatible with RS232, RS485, and RS422 serial communication protocols. It is suitable for use with PLCs, touch screens, data converters, programmers, and other COM port serial devices.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need soldering skills to use this DB9 connector?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This adapter board is designed with screw-terminal or nut-terminal connections, allowing you to securely fasten wires without any soldering. Simply loosen the screw, insert your wire, and tighten — making it ideal for field wiring and quick prototyping.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the DB9 Screw and DB9 Nut variants?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DB9 Screw variant uses a flat-blade or Phillips screw to clamp down the wire, while the DB9 Nut variant uses a nut-and-bolt style terminal for a more secure mechanical grip. Both variants are available in male and female configurations to match your specific application.\"}}, {\"@type\": \"Question\", \"name\": \"Is this DB9 adapter CE certified?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This product carries CE certification and complies with EU Low Voltage Directive (LVD) requirements for devices operating 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:\/\/vd0uzy-jp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Soldering \u0026 Electrical\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/collections\/soldering-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DB9 9-Pin Solderless Connector RS232 RS485 Adapter Board\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/products\/db9-9pin-solderless-connector-rs232-rs485-adapter-board-serial-com-port\"}]}\u003c\/script\u003e","brand":"Peaceful Pleasures Health and Wellness","offers":[{"title":"Male Type-2","offer_id":53733894553913,"sku":"1005005017914703-Male Type-2","price":15.23,"currency_code":"USD","in_stock":true},{"title":"Female Type-2","offer_id":53733894586681,"sku":"1005005017914703-Female Type-2","price":15.23,"currency_code":"USD","in_stock":true},{"title":"Male Type-1","offer_id":53733894619449,"sku":"1005005017914703-Male Type-1","price":15.23,"currency_code":"USD","in_stock":true},{"title":"Female Type-1","offer_id":53733894652217,"sku":"1005005017914703-Female Type-1","price":15.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/3689\/5801\/files\/S445f367be0474effaa937c23fe7980a5p.webp?v=1783386996","url":"https:\/\/peacefulpleasureswellness.com\/products\/db9-9pin-solderless-connector-rs232-rs485-adapter-board-serial-com-port","provider":"Peaceful Pleasures Health and Wellness","version":"1.0","type":"link"}