{"product_id":"bi-directional-parallel-port-cnc-interface-card-with-din-rail-mounting","title":"Bi-Directional Parallel Port CNC Interface Card with DIN Rail Mounting","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #222;\"\u003e\n\n  \u003ch2 style=\"font-size: 24px; margin-bottom: 10px;\"\u003eBi-Directional Parallel Port CNC Interface Card\u003c\/h2\u003e\n\n  \u003cp style=\"font-size: 16px; margin-bottom: 18px;\"\u003e\n    This \u003cstrong\u003eBi-Directional Parallel Port Interface Card\u003c\/strong\u003e is designed to provide a clean, reliable way to connect CNC control signals between your PC or motion controller and your machine electronics. It uses the proven style of circuitry found in popular C10-style breakout boards, but adds a more control-box-friendly layout with \u003cstrong\u003eDIN rail mounting\u003c\/strong\u003e, pluggable terminals, status LEDs, and flexible connection options.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-size: 16px; margin-bottom: 18px;\"\u003e\n    If you are building or upgrading a CNC control box and need a stable parallel-port interface with buffered signals, this board gives you a more organized and professional wiring solution than a basic breakout board.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background: #f6f6f6; border-left: 4px solid #333; padding: 15px 18px; margin: 22px 0;\"\u003e\n    \u003cstrong\u003eBest for:\u003c\/strong\u003e CNC routers, CNC mills, plasma tables, machine retrofits, Mach3-style parallel port systems, and control boxes that need clean wiring, buffered I\/O, and DIN rail mounting.\n  \u003c\/div\u003e\n\n  \u003ch3 style=\"font-size: 20px; margin-top: 28px;\"\u003eWhy Choose This Interface Card?\u003c\/h3\u003e\n\n  \u003cul style=\"padding-left: 22px; margin-bottom: 22px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClean control box installation:\u003c\/strong\u003e DIN rail mounting makes it easier to build a neat, serviceable CNC control cabinet.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBi-directional pins 2–9:\u003c\/strong\u003e Pins 2 through 9 can be configured for different input\/output needs depending on your setup.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuffered inputs and outputs:\u003c\/strong\u003e Helps provide stronger, more stable signal handling between the controller and connected CNC electronics.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlexible input configuration:\u003c\/strong\u003e Pull-up or pull-down selection lets you match the board to your switch and wiring setup.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e Pluggable screw terminals make connections cleaner and easier to service.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatus LEDs:\u003c\/strong\u003e Built-in LEDs on inputs, outputs, and enable status make troubleshooting much easier.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMultiple connection options:\u003c\/strong\u003e Designed to accommodate ribbon cable or DB25-style parallel port connections.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal enable input:\u003c\/strong\u003e Allows the board to be enabled or disabled through a PC, motion controller, or control circuit.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"font-size: 20px; margin-top: 28px;\"\u003eMain Features\u003c\/h3\u003e\n\n  \u003cul style=\"padding-left: 22px; margin-bottom: 22px;\"\u003e\n    \u003cli\u003eIEEE 1284 standard compatible\u003c\/li\u003e\n    \u003cli\u003ePull-up or pull-down input selection\u003c\/li\u003e\n    \u003cli\u003eBuffered inputs and outputs\u003c\/li\u003e\n    \u003cli\u003eBi-directional pins 2 through 9\u003c\/li\u003e\n    \u003cli\u003eTTL 5VDC signal logic\u003c\/li\u003e\n    \u003cli\u003eInput and output pins located near ground or +5VDC connections\u003c\/li\u003e\n    \u003cli\u003eExternal enable pin\u003c\/li\u003e\n    \u003cli\u003eEnable\/disable control through the PC or motion controller\u003c\/li\u003e\n    \u003cli\u003eStatus LEDs for enable, inputs, and outputs\u003c\/li\u003e\n    \u003cli\u003ePluggable screw-on terminals\u003c\/li\u003e\n    \u003cli\u003eDIN rail mountable design\u003c\/li\u003e\n    \u003cli\u003eWorks directly with popular CNC hardware and software setups\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"font-size: 20px; margin-top: 28px;\"\u003eInput \/ Output Configuration\u003c\/h3\u003e\n\n  \u003cdiv style=\"overflow-x: auto; margin-bottom: 22px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 10px; background: #f2f2f2;\"\u003eConfiguration\u003c\/th\u003e\n        \u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 10px; background: #f2f2f2;\"\u003ePins\u003c\/th\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard Output Pins\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 16, 17\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eAlternative Output Pins\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1, 14, 16, 17\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard Input Pins\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e10, 11, 12, 13, 15\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eExpanded Input Pins\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eBi-Directional Pins\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e2, 3, 4, 5, 6, 7, 8, 9\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch3 style=\"font-size: 20px; margin-top: 28px;\"\u003eCustomer-Friendly Explanation\u003c\/h3\u003e\n\n  \u003cp style=\"font-size: 16px; margin-bottom: 18px;\"\u003e\n    This board acts as the connection point between your CNC control system and the machine electronics. It helps route signals from your PC or motion controller to drivers, switches, relays, and other CNC devices while keeping the wiring cleaner and easier to troubleshoot.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-size: 16px; margin-bottom: 18px;\"\u003e\n    Compared with a basic parallel port breakout board, this version is better suited for control cabinet builds because it includes DIN rail mounting, pluggable terminals, status LEDs, and flexible input\/output configuration.\n  \u003c\/p\u003e\n\n  \u003ch3 style=\"font-size: 20px; margin-top: 28px;\"\u003eCommon Uses\u003c\/h3\u003e\n\n  \u003cul style=\"padding-left: 22px; margin-bottom: 22px;\"\u003e\n    \u003cli\u003eCNC router control boxes\u003c\/li\u003e\n    \u003cli\u003eCNC mill control systems\u003c\/li\u003e\n    \u003cli\u003eCNC plasma table wiring\u003c\/li\u003e\n    \u003cli\u003eMach3-style parallel port setups\u003c\/li\u003e\n    \u003cli\u003eMachine retrofits using parallel port signal wiring\u003c\/li\u003e\n    \u003cli\u003eLimit switch and home switch wiring\u003c\/li\u003e\n    \u003cli\u003eStepper or servo driver signal connections\u003c\/li\u003e\n    \u003cli\u003eGeneral CNC input\/output signal routing\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"font-size: 20px; margin-top: 28px;\"\u003eCompatibility Notes\u003c\/h3\u003e\n\n  \u003cul style=\"padding-left: 22px; margin-bottom: 22px;\"\u003e\n    \u003cli\u003eThis board is \u003cstrong\u003enot a standalone motion controller\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003eIt is an interface\/breakout board used with a compatible PC parallel port or CNC motion controller.\u003c\/li\u003e\n    \u003cli\u003eUses \u003cstrong\u003eTTL 5VDC signals\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003eConfirm compatibility with your CNC software, controller, drivers, switches, and wiring setup before ordering.\u003c\/li\u003e\n    \u003cli\u003eFor modern computers without a true parallel port, a compatible external motion controller may be required.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cdiv style=\"background: #fff8e5; border: 1px solid #e0c878; padding: 15px 18px; margin-top: 24px;\"\u003e\n    \u003cstrong\u003eNeed help choosing the right breakout board?\u003c\/strong\u003e\n    \u003cp style=\"margin: 8px 0 0 0;\"\u003e\n      If you are not sure whether this bi-directional parallel port interface card is the right fit for your CNC setup, contact us before ordering. We can help you compare it with other breakout boards and controller options.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"BuildYourCNC","offers":[{"title":"Default Title","offer_id":47832164729006,"sku":null,"price":30.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/C10D_C_BI-DirectionalParallelPortInterfaceCard.jpg?v=1778197596","url":"https:\/\/buildyourcnc.com\/products\/bi-directional-parallel-port-cnc-interface-card-with-din-rail-mounting","provider":"BuildYourCNC","version":"1.0","type":"link"}