Installation Manual
H3C S9500 Series Routing Switches
Chapter 1 Product Overview
1-6
V. S9512
(1) LPU slots
(2) SRPU slots
(3) PSUs
(4) PoE power entry module
(5) Fan trays
Figure 1-5
Front view of the S9512
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The S9512 chassis provides fourteen slots in its board area: The middle two
accommodate SRPU modules and the remaining twelve accommodate
LPUs/service boards.
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At the bottom of the chassis is the power area that contains one PoE entry module
and two PSUs. The switch supports both AC and DC power inputs. So you can
select AC or DC PSUs as needed.
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On the right of the chassis is the fan area that contains two vertical fan trays. The
fans draw air in from the left and exhaust air from the right.
1.2.2 Backplane
The backplane of the S9500 series allows high-speed data exchange between SRPUs
and LPUs, as well as the exchange of various management and control signals in the
system.