Need to connect old serial gear to network cables? This 5-pack of adapters is your solution. Each one converts a DB9 (9-pin) female serial port to a standard RJ45 (8P8C) jack—the kind used for Ethernet/CAT5 cables. It's a 1:1 pass-through adapter, no electronics inside, just wiring. Perfect for extending serial connections over longer distances using cheap network cable, or for hooking up consoles to routers, switches, or other equipment that uses an RJ45 serial port. The connectors are DB9 Female on one end and an RJ45 Female port on the other. They're unbranded, brand new, and come in a pack of five—great for IT departments, network installers, or hobbyists. Super handy for Cisco console cables, industrial controls, or retro computing. No UPC or MPN, just a simple, useful adapter. Keep a few in your toolbox for those \I need a serial connection\ moments. A versatile little tool for anyone dealing with legacy equipment.