If the power supply system does not have good grounding, or the input power disturbs too
much and excessive pulses exist, the error code rate of communication devices increases and
even the hardware system will be damaged.
Chapter 3 Grounding
3.1 Connecting the Grounding Cable
Grounding is used to quickly release overvoltage and overcurrent induced by lightening for switch, and
to protect personal safety. Select the appropriate grounding method according to your needs.
3.1.1 With Grounding Bar
If a grounding bar is available at the installation site, follow the steps below.
Steps
1. Connect one end of the grounding cable to the binding post on the grounding bar.
2. Connect the other end of the grounding cable to the grounding terminal of the device and fix the
screw.
Figure 3-1 Grounding with Grounding Bar
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