I believe DLM is 2880 ES per day but it is possible they take measurements more than once a day so e.g. if they do it every 2 hours and the ES for those 2 hours is more than 240 then DLM kicks in next day.
I see, fair enough.
Well as the evening's here it seems the error rate is higher now. CRC count is at 952 downstream with 8 hours and 56 minutes of uptime. Currently seeing a rate of 1-3 CRC downstream every 20 seconds, which if it keeps up might trigger DLM. I will update the firmware later this evening to the latest version, disable bitswapping, and observe any changes following 12-18 hours or so from that. I'll keep everything other setting as is for now.
EDIT:
Either it's coincidence or.. well I've just disconnected the phone from the MK2 SSFP and the CRC error rate has significantly dropped. Only had 1 CRC downstream in the last 5 minutes or so.
EDIT 2:
CRC rate dropped to 1-2 CRC every minute or sometimes nearly two minutes. I wonder if it doesn't like my double filter setup (in the past I've always double filtered things, perhaps it's a bad idea). Either that's coincidence or perhaps it's just the microfilter behind the SSFP that's causing it. I've plugged in the DECT phone without the double filter this time, just the SSFP for filtering.
EDIT 3:
Watching the statistics for 15 minutes, at 10 second refresh intervals, and since removing the second filter the CRC error rate on the downstream has significantly dropped. Bad filter or just bad to double filter, or just coincidence that the CRC rate has died off?
Observed ES: 7
CRC from 971 ending at 980
Worst Case ES: 9 (1 for every CRC)