How to Wire Up Ethernet Plugs the EASY WAY! (Cat5e / Cat6 RJ45 Pass Through Connectors) - Switched On Network
Amazon.com: GTZ RJ45 Cat5e Pass Through Connectors - Pack of 50 - EZ to Crimp Modular Plug for Solid or Stranded UTP Network Cable - Male Ethernet Connector End : Electronics
networking - Cat5 socket wiring issues - Super User