LAN Coupler RJ45 8P8C Modular Network Inline Ethernet Latch Female Coupler (5 Pack) - Red/Yellow/Green/Blue/Black LAN Network Jack RJ45 8P8C In-Line female to female coupler RJ45 Ethernet extender cable coupler has 8 pins for RJ45 connector 5color Configuration - Red / Yellow / Green / Blue / Black Reverse couplers reverse the right to left order of the pins inside the connector Great for extending ethernet connection by connecting 2 short network cables together