By mike benson the send light on a cable modem indicates your uplink status. They indicate your connection is up and healthy.
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Link light on modem blinking. The power light will move from red to amber during boot up after the hardware test passes. Similar to routers most modems both cable and dsl have a light dedicated to the broadband connection. If it does not blink it may take up to 1 3 minutes turn the modem off wait 5 seconds and turn the modem on. Just because your computers may be off or your router unplugged doesnt mean that. If it is continually blinking without ever going solid in most cases it means there is an outage in your area. In most cases flashing lights on your router are a good thing.
Let the modem sit idle until the receive light starts blinking. Remove the power from the 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. When the send light is solid there is a solid uplink connection between you and your isp. The link light should blink during the modems startup sequence and then remain on green on the x3 x4 red on the x5. The ethernet link makes the data transfer possible.
If the link light is still not blinking which means the modem is not performing its startup sequence try performing a hard reset. If the power light stays amber the software test failed. Not all centurylink modems show the software test with an amber light during boot up. Amber indicates the modem is performing onboard software tests. Reconnect the coax cable to the modem. The prominent lights that must be there on a typical xfinity modem are the power light and the online light.
While leaving the power connected remove the coax cable from the modem. Whats people lookup in this blog. How to connect the tp link cable modem general faqs sb8200 led light status general faqs svg2482ac led light status repair us ds light blinking on xfinity internet connection. Both of these lights must be glowing full fright and there should not be any dullness and blinking there as they both are meant to be the solid lights not the flashing ones. Modems have other lights besides the ethernet link light that can help one figure out whether or not the modem is working properly. This light is often labeled as online cable sync or signal and usually has a symbol.
Gallery of Link Light On Modem Blinking
