ZyXEL Communications USG FLEX H Series User Manual page 54

Attach the Zyxel Device power cord through the power cord lock.
2
Connect the power cord to the Zyxel Device power socket.
3
Use the screw driver to secure the power cord lock and the screw with the power cord to the hole next
4
to the power socket.
Chapter 3 Hardware, Interfaces and Zones
USG FLEX H Series User's Guide
54