Installation Manual
H3C S7502 Ethernet Switch
Chapter 4 Hardware Installation
4-5
Figure 4-4
Connect the grounding cable to the grounding body nearby
z
If there is no grounding strip and no grounding body can be buried, and the
Ethernet switch is AC powered, you can grounded through the PE wire of the AC
power supply. In this case, make sure that the PE wire of the AC power supply has
been well grounded at the power distribution room or AC power supply
transformer side.
Figure 4-5
Connect the grounding cable through AC PE wire
4.5.2 Connecting the AC Power Cable
Caution:
For lightning protection, the AC power should be led through the external lightning
device into the S7502.