RJ50 coupler extender is used for extending RJ50 10P 10C connection by connecting 2 RJ50 cables together. Safe and secure with nickel-plated contacts and easy-to-snap clips the couplers ensure a secure and corrosion-free connection. Plug and play no drivers required. High-speed data transfer. Note that this adapter is rj50 with 10pins not rj45 with 8pins. The RJ50 10P 10C in line Adapter is constructed with pure copper plated tentacles to reduce connect/disconnect and provide port protection. ABS material shell flame retardant and durable. Compatible with Routers Patch Panels Printers Scanneretc with RJ50 input.