Binary DB9-F-RJ45-NULL DB9 Female to RJ45 Modular Adapter with Null Modem Pinout

Cut install time and tidy up your control and monitoring wiring with the Binary DB9-F-RJ45-NULL adapter. This DB9 female to RJ45 modular adapter lets integrators use Cat5e/6 cable to create custom-length runs—no soldering or long, cumbersome serial cables required. The built-in Null Modem pinout provides immediate RS-232 crossover compatibility, making it ideal for connecting serial devices to control systems in security, surveillance, access control and monitoring applications. The compact adapter converts a DB9 female connector to a standard RJ45 jack, delivering a professional, low-profile connection that simplifies wiring closets and equipment racks. Durable construction and Binary’s Lifetime Limited Warranty ensure reliable performance in commercial installations. Use it with Cat5e/6 cabling to streamline deployments, reduce spare part counts, and speed troubleshooting across networking and low-voltage systems. Perfect for AV integrators, security technicians and IT teams who need fast, consistent RS-232 connectivity. Order the Binary DB9-F-RJ45-NULL adapter to simplify your next security or surveillance integration and keep serial connections clean, reliable and serviceable.

• Speeds installation by converting DB9 female RS-232 to modular RJ45 so you can run neat, custom-length Cat5e/6 cables
• Eliminates soldering and bulky serial cables, reducing on-site labor and points of failure
• Null modem pinout built in for immediate RS-232 cross-over compatibility with control systems
• Compact, professional adapter that keeps racks and junction boxes tidy for security and surveillance installs
• Backed by Binary’s Lifetime Limited Warranty for long-term reliability and peace of mind