Was this 10G DWDM gear? Any idea who’s equipment and what root cause was? I’m just curious because I used to work for a vendor that supplied DWDM gear to Ce

Was this 10G DWDM gear? Any idea who’s equipment and what root cause was? I’m just curious because I used to work for a vendor that supplied DWDM gear to Centurylink and wonder if this is equipment I designed. 10G DWDM is pretty robust so must have been a pretty massive failure, line amplifier, fiber cut, software upgrade, or something.