TROUBLESHOOTING Troubleshooting The POE INJECTOR ROUTER Yourself Powercycle AntennaFind the POE injector (little black box) and unplug it from the wall, wait 10 seconds, and plug it back in. Powercycle RouterUnplug the router from the wall outlet, wait 10 seconds, and plug it back in. Cord LayoutBe sure the ethernet cable that comes from the POE goes to the antenna outside. Router LayoutBe sure the ethernet cable goes from the LAN port on the POE (little black box) to the WAN port on the router. Play Video