Installation Manual
H3C S7500 Series Ethernet Switches
Chapter 1 Product Overview
1-20
Figure 1-13
Power distribution box (dual-input dual-switch AC power distribution box in
the example)
(1)
(2)
(3)
(4)
(5)
(1) Screw holes
(2) Power switch
(3) Bail latch
(4) Grounding screw
(5) Power socket
Figure 1-14
Rear view of power distribution box (dual-input dual-switch AC power
distribution box in the example)
I. Introduction to power distribution box
The power distribution box is mainly used for filtering, current make/break, and current
shunt. The AC power distribution box and DC power distribution box have the same
dimensions.
1) S7503
z
The DC power distribution box of the S7503 supports two power inputs, each of
which has a separate power switch. One input can only support the normal
operation of the corresponding DC power module. Only when two inputs are
connected, the two DC power modules can work in 1+1 redundancy mode. When