Connecting Dc Power Cord (S2403H-Ei-Dc) - Huawei Quidway S2000-EI Series Installation Manual

Installation Manual
Quidway S2000-EI Series Ethernet Switches
Step 3: Check that the PWR LED on the front panel of the switch is ON.
Caution:
Before powering on the switch, connect the ground wire.

3.4.3 Connecting DC Power Cord (S2403H-EI-DC)

(1) DC power input; NEG(-): -48V; RTN(+): -48V working ground
(2) Grounding screw
Figure 3-7 DC power socket of S2403H-EI-DC (partial)
Step 1: Connect one end of the chassis ground wire to the grounding screw on the
rear of the chassis and the other end to the ground as near as possible.
Step 2: Connect the DC power terminals of the switch to a -48V DC power supply
through a DC power cord, with NEG(-) to the -48V output and RTN(+) to the working
ground of the -48V power supply.
Note:
To connect the power cord to the DC power terminals on the chassis, loosen the screws on the
terminals first, insert the connectors of the power cord into the terminals, and tighten the screws.
Step 3: Check that the PWR LED on the front panel of the switch is ON.
(1) (1) (2) (2)
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Chapter 3 Installation