Question about Arris Touchstone 450a (CM450) Modem

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Telephone dont work

Telephone light just keeps blinking

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That light is indicating that you have a phone off the hook, a short in one of your phone lines, or a bad modem. Unplug the phone line from the back of the modem. If it stays solid, plug it back in and go and disconnect every phone in your house. If it stays solid you have a phone issue. Plug them back in one-by-one and see which one causes it to start blinking. If it doesn't go away after unplugging all your phones, you have a phone line issue. If it is still blinking after unplugging the phone line from your modem, your modem is bad.

Posted on Jan 20, 2008

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Posted on Jan 02, 2017

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