So the modem has five led lights on front. The light tells you if an ethernet cable is plugged into the modem is flashing.
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Ethernet light blinking on modem. When the link light on a modem is blinking it means that there is data being transmitted between equipment such as between a computer and modem. If not please check the light status and behavior of the arris box and the modem. Similar to routers most modems both cable and dsl have a light dedicated to the broadband connection. Why is the ethernet light on my modem flashing. Make sure the cable. If another ethernet rj 45 cable is available swap out cables to make sure yours isnt defective.
Remember the sendreceive light on your cable modem or router is just an indicator of activitynot how much. Go to device manager to make sure the nic is enabled. The internet light will cycle thru amber off green off when the modem is auto detecting the network parameters. The ethernet light on the other hand blinks amber all the time even at night when my computer is off. Verify youre using the provided yellow ethernet cable and check the connections to the computers network interface. It does it with the ethernet cable connected to my computer and xbox.
Blinking amber then green. This light is often labeled as online cable sync or signal and usually has a symbol. The power upstream downstream and internet lights remain steady green during all my time using the new modem so far. When your modems ethernet light is off but all the other lights are still on your modem is connected to the internet but your computer is not connected to your modem. Modems have other lights besides the ethernet link light that can help one figure out whether or not the modem is working properly. So the first thing to do is check that the cable connecting your computer to the modem is plugged in correctly.
The ethernet link makes the data transfer possible. Your isp is checking that your ip address is in use. There is a light to show that the modem is turned on and has power and a light for the wi fi connection. The internet light will be off if no ppp credentials are programmed in the modem or the modem is in transparent bridging mode. Try to power cycle your modem and observe if you can connect to the internet. Heres whats probably going on.
Gallery of Ethernet Light Blinking On Modem
