Digital China Networks DCRS-7604 Installation Manual page 60

DCRS-7600 InstallManual
There is a special A.C. distribution box on the backboard of DCRS-7604(v2.0 above)
switch.
In generally, the enterprises users usually ask for the 200~264VAC access. The panel
of A.C. distribution box is equipped with a 200~264VAC socket for provide power supply
to the equipment. At the same time, it provides power supply to the two power supply
modules. After the D.C. output is disposed on the backplane, it provides power supply to
the modules and fan tray. The lower part of the power supply socket is equipped with a
locking ring, which is used to fix the power supply lines to prevent unexpected
disconnection and make the wiring more convenient. The distribution box is equipped with
a grounding terminal at its lower right part, which is used for grounding the switch.
The Front Panel view is shown below:
Fig 1-37 DCRS-7604(v2.0 above) Power Distribution Box Panel view
1.4.5.3 DCRS-7608 Power Distribution Box
There is a dedicated AC distribution box or DC distribution box in the lower section of
DCRS-7608 backplane, distributing power supply for the corresponding AC or DC power
module. A grounding post is provided on the chassis on both sides of the distribution box
for switch grounding. There is also an extraction handle, which is intended for the
installation and removal of the distribution box only. Never lift or move the switch with
this handle!
1.4.5.3.1 AC Power Distribution Box
Enterprise network users usually require equipment to have 220 VAC input, the AC
power modules and AC distribution box can satisfy this application. Three 220V/110 VAC
power input sockets are provided on the panel of the DCRS-7608 AC distribution box.
Input AC power will first pass through protective circuits, such as the AC filter, lightning
protection tube, and then provide power for the three AC power modules. The other
modules and fan trays are powered only after the DC output from the power modules are
equalized and coupled. A wiring clip is provided above each 220V/110 VAC input socket
Chapter 1 Product Overview
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