Motorola SURFboard SB6121 Cable Modem Reboot due to power reset

Hey guys, I just recently got this modem, and I'm trying to get my internet set up. I got everything plugged in, and the internet will work very fast for about a minute or so, then the modem will constantly reboot. I searched around and I saw people with the same problem, but no solutions.

It came with a 12v 750 mA power supply.
Here's a link to the logs:

I'd really appreciate any help I can get, and if you guys need any more information I'll get it asap. Thanks for your time.
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  1. Best answer
    That is the correct PSU for a Moto SB modem, you say it reboots, so can you go to when it is locked in and post the signal levels and error logs [webpage tabs are near the top]?
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