Grounding
To prevent damage to your installation, it is important that all devices are
properly grounded.
1. Use a grounding wire to ground the VM3404H / VM3909H by connecting
one end of the wire to the grounding terminal, and the other end of the
wire to a suitable grounded object.
2. Make sure that all devices in your VM3404H / VM3909H installation are
properly grounded.
Chapter 2. Hardware Setup
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