Power Supply System Connections; Connection To Ground - Fujitsu IP-9610 Hardware User's Manual

Chapter 2 Installation and Connection
2.2
2.2
This section explains ground and power-source connections.

2.2.1 Connection to ground

Use a power cord with the standard two-prong plug with ground wire for FG and external
ground connections.
When the exogenous noise influences IP-9610, connect the FG terminal to an external ground.
IP-9610
Power Supply System
Connections
Figure Connection to ground
18