{"product_id":"40-foot-db9-male-to-female-rs232-extension-serial-cable-flexible","title":"40 Foot DB9 Male to Female RS232 Extension Serial Cable - Flexible","description":"\u003cp\u003eIn this review the 40 ft DB9 male to female RS232 extension cable is presented as a practical solution for anyone needing to lengthen existing serial connections without redoing equipment wiring. The reviewer found it especially useful for extending RS-232 peripherals and adding a monitor or serial device when the original cable falls short. Built with \u003cstrong\u003e24 AWG shielding\u003c\/strong\u003e and metal hoods, it prioritizes a secure physical connection and interference protection, so the main reason to buy is reliable, tangle-free extension of legacy serial links over a long run.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMale to female DB9 connectors:\u003c\/strong\u003e Provides a straightforward extension for existing RS-232 cables so devices can be repositioned without rewiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 ft length:\u003c\/strong\u003e Gives ample reach for most office or industrial setups, allowing peripherals to be placed at greater distance from hosts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 AWG shielded cable:\u003c\/strong\u003e Reduces EMI and RFI to keep serial communications stable across the longer run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal hoods with thumbscrews:\u003c\/strong\u003e Ensure a secure mechanical connection that resists accidental disconnection during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight-through wiring:\u003c\/strong\u003e Maintains pin-to-pin compatibility with standard RS-232 devices for simple plug-and-play extension.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrey PVC jacket:\u003c\/strong\u003e Offers a neat, durable outer layer that fits common office and equipment environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is for technicians, office IT staff, and hobbyists who work with legacy serial equipment and need a dependable extension without altering existing hardware. It suits setups where devices must be moved farther apart, such as adding a monitor, connecting serial consoles, or relocating peripherals in a workspace.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing active signal conversion (for example USB-to-serial or DB9-to-HDMI adapters), or extremely compact cable runs where a 40 ft length would be impractical. It is a passive extension and assumes compatible RS-232 endpoints.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRobust metal connector hoods and thumbscrews make connections secure and easy to tighten.\u003c\/li\u003e\n\u003cli\u003e24 AWG full shielding helps guard against EMI\/RFI for more reliable serial communication over distance.\u003c\/li\u003e\n\u003cli\u003eStraight-through DB9 wiring ensures broad compatibility with standard RS-232 devices without reconfiguration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe cable is passive and will not convert signals or provide active buffering for very long runs in electrically noisy environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector type\u003c\/td\u003e\n\u003ctd\u003eDB9 male to DB9 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e40 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor size\u003c\/td\u003e\n\u003ctd\u003e24 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding\u003c\/td\u003e\n\u003ctd\u003eFully shielded (EMI\/RFI protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacket\u003c\/td\u003e\n\u003ctd\u003eGrey PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHoods\u003c\/td\u003e\n\u003ctd\u003eHeavy duty metal with thumbscrews\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003eStraight-through pin wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 40 ft DB9 extension is a solid, no-nonsense choice for extending RS-232 connections where distance and interference protection matter. It offers good build quality and shielding for the price and is best for users who need a passive, compatible extension rather than signal conversion or active line conditioning. For straightforward serial extension it represents sensible value.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this cable convert serial to USB?\u003c\/strong\u003e\u003cbr\u003eNo. This is a passive DB9 male-to-female RS-232 extension and does not provide USB conversion or signal adaptation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the pins cross-wired or straight-through?\u003c\/strong\u003e\u003cbr\u003eThe cable is wired straight-through with pin-to-pin continuity for standard RS-232 compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the shielding prevent interference?\u003c\/strong\u003e\u003cbr\u003eThe 24 AWG fully shielded construction reduces EMI and RFI, improving reliability in typical office and light industrial environments.\u003c\/p\u003e","brand":"Custom Cable Connection","offers":[{"title":"Default Title","offer_id":48609748582619,"sku":"B0077RFEZA","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81twFLw7jFL._AC_SL1500.jpg?v=1778587328","url":"https:\/\/gearmusthave.com\/products\/40-foot-db9-male-to-female-rs232-extension-serial-cable-flexible","provider":"GearMustHave","version":"1.0","type":"link"}