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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The Black Box FA4509F-GY is a passive adapter kit designed to convert a DB9 serial port to an RJ45 Ethernet connector. This gray adapter facilitates the integration of serial devices into networks that primarily use RJ45 cabling infrastructure. It's particularly useful in industrial or legacy system deployments where serial communication is still critical but modern network connectivity is required. The thumbscrews ensure a secure, tool-less connection to the DB9 port, simplifying installation in tight spaces or environments where frequent access is needed.
This adapter is designed for use with any standard DB9 female serial port and any standard RJ45 female connector. It is compatible with a wide range of serial devices, including industrial control systems, legacy networking equipment, diagnostic tools, and older POS terminals that utilize RS-232 serial communication. It functions as a passive adapter, meaning it does not require external power and relies on the existing pinout of the DB9 and RJ45 connectors for signal pass-through.
Installation is straightforward: simply align the DB9 female connector with the corresponding port on your serial device and secure it using the integrated thumbscrews. Connect an RJ45 patch cable to the other end of the adapter to link it to your network switch or serial-to-Ethernet converter. Ensure the pinout is correct for your specific serial device and network configuration, as this is a passive adapter and does not perform any signal conversion or remapping.
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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