3333Connect to Ground

L2 Managed Switch

Connecting the device to ground is to quickly release the lightning over-voltage and over-current of the device, which is also a necessary measure to protect the body from electric shock.

In different environments, the device may be grounded differently. The following will instruct you to connect the device to the ground in two ways, connecting to the grounding bar or connecting to the ground via the power cord. Please connect the device to ground in the optimum way according to your specific operation environment.

■■ Connecting to the Grounding Bar

If the device is installed in the Equipment Room, where a grounding bar is available, you are recommended to connect the device to the Grounding Bar as shown in the following figure.

Switch (Rear Panel)	Grounding Terminal
Ground Cable	Grounding Bar

FFFFFFFFFFFFConnecting to the Grounding Bar

Note: The grounding bar is not provided with our product. If needed, please self purchase it.

■■ Connecting to the Ground via the Power Supply

If the device is installed in the normal environment, the device can be grounded via the

PE (Protecting Earth\ cable of the AC power supply as shown in the following figure.

FFFFFFFFFFFFConnecting to the Ground

12 Lightning Protection