3Com LSBM1SRP1M1 Installation Manual page 50

Installation Manual
H3C S9500 Series Routing Switches
Caution:
Make sure that the PE wire of the AC power supply has been well grounded at the side
of the power distribution room or AC power supply transformer.
(1) (1)
(2) (2)
(3) (3) (3)
(1) Front panel of the switch
(3) 3-core AC power cord
(5) Protection earth (PE) wire
Figure 3-7 Ground the switch through the AC PE wire
If no ground bar or condition for burying the grounding body is available, a
DC-powered Ethernet switch can be grounded through the PGND strip of the
power distribution frame (PDF).
Caution:
Make sure the RTN wire is well connected to the ground at the DC output of the PDF.
(4) (4) (4)
(5) (5) (5)
3-8
Chapter 3 Switch Installation
(2) AC power input
(4) Transformer