Binary DB9-M-RJ45-NULL DB9 Male to RJ45 Modular Adapter with Null Modem Pinout

Speed up and simplify RS-232 integrations by using the Binary DB9-M-RJ45-NULL adapter. This pro cable adapter converts a DB9 male serial connection to an RJ45 modular jack with a Null Modem pinout, letting you run custom Cat5e/6 cable lengths instead of bulky, fixed serial leads. The result: cleaner installs, fewer terminations, and faster troubleshooting for control systems, access control, and CCTV deployments.

As a Binary pro cable adapter, it supports standard RS-232 signaling while removing the need for soldering or custom DB9 harnesses. Compatibility with Cat5e/6 cabling reduces material costs and simplifies inventory for integrators installing security, surveillance, and building automation equipment. The adapter's null modem wiring is preconfigured for device-to-device communication, so installers can focus on system commissioning rather than pin mapping.

Backed by Binary’s Lifetime Limited Warranty, this DB9-to-RJ45 adapter is ideal for monitoring, control, and security installations that demand reliable serial connectivity. Add the DB9-M-RJ45-NULL to your toolkit for cleaner, faster RS-232 deployments — perfect for surveillance camera controllers, access panels, and legacy device integration.

• Speeds installations by converting DB9 serial ports to RJ45 runs for custom-length Cat5e/6 cabling
• Null Modem pinout eliminates hand-wiring crossovers for RS-232 devices
• No soldering or bulky serial cables — keeps racks and panels neat
• Compatible with Cat5e/6 for reliable, low-cost cabling over longer runs
• Lifetime Limited Warranty for long-term deployments in security and monitoring systems