This article will explain the normal light status of the Speedstream 5100 modem. The speedstream 4100 DSL modem also has similar light status so it can be used as well. The light status will help to determine if there is a problem with your DSL connection. These modems are mainly used with ATT home DSL service nationwide.
Power – When the modem is rebooted this light will flash red, once the modem has completely booted it will show a steady green color.
Ethernet – This is the light status of the ethernet link. Its initially off until a cat 5 Ethernet cable is inserted into the Ethernet jack in the back. Once its inserted properly the light will turn solid green when you have a successful link.
DSL – This light will will blinking Red until it completes a successful link with the DSL equipment on the other end. If this light continues to blink red, you have a problem with your line, and should call for support.
Internet – This light will be out if your provider doesnt do PPPoE. If it does it will be Red will trying to initiate a PPPoE connection. Once it establishes a successful connection it will turn green.
Activity – Flashing green means normal DSL traffic is flowing thru the device. Or it could be steady green if there is a steady flow of traffic.