Connecting The Ground Wire - Huawei Quidway S5600 Series Installation Manual

Installation Manual
Quidway S5600 Series Ethernet Switches
Screw 2 Screw 2
Figure 3-10 Fix RPS connector to the cabine
(4) After installing connector component, directly insert the component into DC-input
socket on the cabinet, and then fix the screws 1 and 2 carried by the connector itself to
the appropriate holes on the cabinet socket using a small flathead screwdriver, see
Figure 3-10.
Step 3: Check that the RPS LED on the front panel of the switch is ON.
Caution:
Before powering on the switch, connect the ground wire.
The S5624P-PWR/S5648P-PWR must use the external PoE PSU recommended by
Huawei-3Com as its DC input, but not the -48VDC power supply generally available in
the equipment room. Otherwise, the device may be damaged.

3.3.3 Connecting the Ground Wire

Caution:
Correctly connecting the switch ground wire is crucial to the lightning protection and
electromagnetic susceptibility (EMS) of a switch.
The power input end of the switch is connected with a noise filter, whose central ground
is directly connected to the chassis, forming the chassis ground (commonly known as
PGND). This chassis ground must be securely connected to the earth ground so that
Connector Connector
component component
Screw 1 Screw 1
Cabinet Cabinet
Huawei Technologies Proprietary
3-7
Chapter 3 Installing the Switch
t