H3C S5120-EI Series - Connecting the Power Cords; Connecting the AC Power Cord

15
Figure 14 Grounding through an AC power PE wire
(1) Three-wire AC power input cable (2) Switch rear panel
NOTE:
To guarantee the grounding effect, use the grounding cable provided with the switch to connect to the
grounding strip in the equipment room as long as possible.
Connecting the power cords
CAUTION:
Make sure the grounding cable has been correctly connected before powering on the switch.
Connecting the AC power cord
1. Wear an ESD-preventive wrist strap, and make sure it makes good skin contact and is well
grounded.
2. Install the bail latch to prevent the AC power cord from accidentally falling off. Attach the bail latch
into the holes located at the two sides of the AC power receptacle. Then pull the bail latch upwards
(see Figure 15 or Figure 17.).
3. C
onnect one end of the AC power cord to the AC receptacle on the switch (see callout 1 in Figure
16 or Figure 18.).
4. Pull the bail la
tch down to secure the plug to the AC receptacle (see callout 2 in Figure 16,
or Figure 18.).
5. Conne
ct the other end of the AC power cord to the AC power source.
6. Verify that the system status LED (PWR/SYS) on the front panel of the switch is ON. If the LED is ON,
it shows the power cord is correctly connected.
(1)
(2)