StarTech.com 2 to 1 RJ45 Splitter Cable Adapter Network splitter RJ 45 M RJ 45 F Connect two 10100 Ethernet devices to a single Cat5Cat5e cable drop - Office Depot
Belkin CAT6 Ethernet Patch Cable, RJ45, M/M
Amazon.com: Simrad Ethernet Adapter Straight RJ45 M to Yellow 5 pin F 0.2m (8") : Electronics
IP68 Ruggedized Cat6 Cable, Jack to RJ45, E-Nickel Finish 24AWG STR CM/CMX FR-TPE BLK w/ Dust Caps, 3.0M