Siemens SpeedStream 4200 (13A4200001) Bridge "ethernet light flickers" Questions

...Ethernet light is normally solid but flickers and 3rd light (DSL?) flashes 4 times then stops for about 4 seconds before starting the pattern again. Last two lights are not on. TPG said they have no ...

...looking at the back of each computer at the network card. There should be two lights next to your Ethernet port--at least one of these lights should be completely lit without flickering. This ...