Just made a phone call which resulted in a spike of FEC errors, any idea what that signifies?
(https://forum.kitz.co.uk/proxy.php?request=http%3A%2F%2Fi.imgur.com%2FAHDlRCC.png&hash=acbee8a08238337d0df29a78c586c34a9c3d1991)
EDIT:
Whenever a phone is plugged into the Openreach faceplate the spike occurs ... normally my phone is unplugged.
As Roseway has pointed out 4AM looks like DLM -
(https://forum.kitz.co.uk/proxy.php?request=http%3A%2F%2Fi.imgur.com%2Fh8vPcTB.png&hash=0ec03b59a93f5c3741fc22f2b347a7c7707ffa57)