Connecting Dc Power Cord (S2016-Ei-Dc) - Huawei Quidway S2000-EI Series Installation Manual

Installation Manual
Quidway S2000-EI Series Ethernet Switches
Neutral point Neutral point
Zero line Zero line
Figure 3-5 Recommended AC power socket
II. Connecting AC power cord
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 one end of the power cord to the power socket on the rear of the
chassis, and plug the other end to the AC power jack of the power source.
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.

3.4.2 Connecting DC Power Cord (S2016-EI-DC)

(2) (2)
(3) (3)
(1) DC power input
(3) not in use
(5) Chassis grounding screw
Figure 3-6 DC power socket of S2016-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 one end of the DC power cord to the DC power socket on the rear of
the chassis and the other end to a -48 DC power supply.
Live line Live line
(1) (1)
(4) (4)
(5) (5)
(2) -48V
(4) BGND, -48V working ground
3-5
Chapter 3 Installation