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Forum Discussion

Chris_LaBonte's avatar
Chris_LaBonte
Follower
Oct 05, 2019

cm1200 critical logs

Modem keeps resetting itself and I Keep getting this critical log.  Any ideas?  Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=28:80:88:af:b7:20;CMTS-MAC=...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Oct 06, 2019

The ISP needs to check your signal and line quality up to the modem. 

Be sure there are no coax cable line splitters in between the ISP service box and the modem.

Be sure your using good quality RG6 coax cabling.