The Compaq 314765-001 is an RJ-45 loopback cable used for network interface diagnostics and testing. This cable part is designed to create a closed-loop connection for validating NIC (Network Interface Card) functionality without requiring a live network connection. Compatible with Compaq ProLiant servers and enterprise networking equipment featuring standard RJ-45 ports, the loopback cable enables technicians to perform hardware verification, troubleshoot connectivity issues, and confirm port operability during system commissioning or maintenance. Typical applications include data center deployment validation, server qualification testing, and network adapter verification before production deployment. The cable features standard RJ-45 connectors and supports standard Ethernet signaling protocols for diagnostic purposes.Tested and guaranteed. Available via quote from G5 Network Group.