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Forum Discussion
CM1200 Dropping connection intermittently - SYNC Timing Synchronization failure
Bought the CM1200 about a month ago and since it was setup by RCN(isp) I have had it seemingly randomly dropping internet connection. When it drops connection the downstream light will be blinking an...
Instead of buying a new modem. I am going to get the RCN rental one and see if that has the same issues. Then if it does RCN should be able to better troubleshoot the issue. Will update after I have tested the RCN modem.
I've done something similar before. Spectrum wouldn't check the line because I was using 3rd party equipment and they kept saying it wasn't the line. So I rented a modem from them for a month to prove it wasn't a modem issue. So they fixed the line and I went back to my device.
Not saying that'll happen for you.