[HSI] OFDM upstreams being turned on? - Charter Spectrum : v

[HSI] OFDM upstreams being turned on? - Charter Spectrum


[HSI] OFDM upstreams being turned on?
Are OFDM/DOCSIS 3.1 upstreams being turned on?
Last night around 1am, service went down for what I assume was a maintenance. I could see the signal in the spectrum analyzer, but the modem was failing to come back online. Normally I see 4x6.4MHz ATDMA upstream channels, but this time, my modem had one 13.75MHz OFDM upstream channel. It was also showing 0 dBmV upstream, which has to be too low for anything useful.
Modem is a TC4400
531000000 Hz[Locked] In Progress[Upstream Parameters Acquired] In Progress[Unknown]
downstream
1 13 Locked Partial Service 531000000 Hz 6000000 Hz 43.7 dB 2.7 dBmV QAM256 1482069611 12 76

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