Convert legacy serial interfaces into a modular RJ45 handoff without changing the device side connection. The StarTech GC98MF pairs a 9-pin DB9 male connector with an RJ45 network female connector, giving you a practical way to adapt DB9 female ports for RS232, RS422, and RS485 applications. This adapter is built for environments where serial connectivity still matters: industrial controllers, lab equipment, console access, and embedded systems that depend on dependable point-to-point communication. By moving the interface to RJ45, it simplifies cable management and makes field replacement easier when you need to service or reroute connections. Its compact 3.3-inch body and slim 0.6-inch profile keep it unobtrusive at the port, while the straightforward passive design avoids unnecessary complexity. For teams maintaining mixed-generation infrastructure, this adapter offers a clean, low-friction way to extend the life of serial hardware without introducing a full conversion device. Backed by a lifetime warranty, it is a small accessory with a clear purpose: preserve compatibility, reduce cabling friction, and keep critical serial links accessible.