[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 ...
Source: dslreports.com