TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 Installation Guide - Page 15

L2 Managed Switch 3.2 Connect to Ground 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) Ground Cable Grounding Terminal Grounding Bar Figure 3-1 Connecting to the Grounding Bar Note: The grounding bar and ground cable are not provided with our product. If needed, please purchase them. ■■ 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. Figure 3-2 Connecting to the Ground Lightning Protection 10