H3C S7508E-X, Руководство по установке

Страница: 26 / 111

18
4. Connect the ring terminal of the grounding cable to the grounding post of the grounding strip, and
fasten the grounding cable to the grounding strip with the hex nut.
Figure 13 Connecting the grounding cable to a grounding strip
(1) Attach the grounding screws with dual-hole terminals to the grounding holes
(2) Grounding sign
(3) Grounding strip (4) Grounding post
(5) Ring terminal (6) Hex nut
Grounding the switch through the PE wire of an AC power
supply
CAUTION:
Make sure the AC power supply uses a three-wire cable with a protection wire, and the PE wire of the AC
power supply is well grounded at the power distribution room or AC power supply transformer side. In
addition, make sure the PE connector on the switch is well connected to the PE wire of the AC power
supply.
If the switch is AC powered and no grounding strip is available at the installation site, you can ground
the switch through the PE wire of the AC power supply, as shown in Figure 14 .
Figure 14 Grounding the switch through the PE wire of the AC power supply