Revo RJ45 Female to Female Keystone Style Indoor Network Coupler NC-2 - The Home Depot
RJ45 Panel Mount with Pigtail Cable - Screw Lock - 877.522.3779 - USBFireWire.com
1-Port USB 1.1 Over Cat5 Superbooster™ Extender Dongle RJ45 Female to USB B Male Receiver | USB Extension Cables and Devices | USB Cables, Adapters, and Hubs | USB and PC
RJ45 to DB9 Female Adapter Black RS232 Modular DB9F