Connecting The Ground Wire; Figure 3-5 Fix Rps Connector To The Cabinet - Huawei Quidway S3900 Series Installation Manual

Installation Manual
Quidway S3900 Series Ethernet Switches
(3) Enlace the two cables to the polarizing key at the back of the dust-proof shield using
the cable tie, see Figure 3-4.
Screw 2 Screw 2

Figure 3-5 Fix RPS connector to the cabinet

(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 3-5.
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 length of the DC power cord must be less than 3 m (9.8 ft.).
The S3928P-PWR-EI/S3952P-PWR-EI can only use PoE external power supply
recommended by Huawei-3Com as the DC-input, otherwise, the device can be
damaged.

3.2.3 Connecting the Ground Wire

Caution:
Correctly connecting the switch ground wire is crucial to the lightning protection and
electromagnetic susceptibility (EMS) of a switch.
Connector Connector
component component
Screw 1 Screw 1
Cabinet Cabinet
Huawei Technologies Proprietary
3-4
Chapter 3 Installing the Switch