ZyXEL P-660HW-D1 v2

Overview
"ZyXEL", "45-401-000619", and "Made in China" is silkscreened on the board
 * in the FCC photos.

There is an additional model sharing this name with FCC ID I88P660HWDXV2..
 * ZyXEL P-660HW-D1 (Annex A)/D3 (Annex B)/D7 (VER2) FCC schematics

An additional (unprivlidged) account appears to be accessible with password user.
 * Default settings are per the FCC manual.