ZyXEL Communications P-2802H(W)(L)-I Series - Manual (Page 42)

Chapter 1 Introducing the ZyXEL Device
P-2802H(W)(L)-I Series User’s Guide
42
To set the device back to the factory default settings, press the RESET button for ten
seconds or until the POWER LED begins to blink and then release it. When the
POWER LED begins to blink, the defaults have been restored and the device restarts.