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Friday, July 10th, 2026 8:34 PM

Internet keeps dropping - modem stats

My internet keeps dropping and I checked my modem's logs and I get these same two errors repeatedly.  Nothing has changed with my setup recently and we don't have any splitters.

"SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=Edited: "Personal Information”;CMTS-MAC=Edited: "Personal Information”;CM-QOS=1.1;CM-VER=3.1;"

"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=[Edited: "Personal Information”];CMTS-MAC=Edited: "Personal Information”;CM-QOS=1.1;CM-VER=3.1;"

It won't let me paste my powers stats but all look normal except this one:

Channel ID       Lock Status      Modulation       Frequency         Power  SNR/MER           Corrected          Uncorrectables

 

193         Locked                 Other   774000000 Hz                 -2.9 dBmV         41.2 dB                 37506978           0

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