Installation Manual
H3C S9500 Series Routing Switches
Chapter 1 Product Overview
1-2
Note:
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Two switching and routing processor units (SRPUs) can be installed on the S9500
series to support active-standby switchover.
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Two power supply units (PSUs) can be installed on the S9500 series to provide
hot-standby 1+1 redundancy.
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The S9500 series support PoE and an external PoE power supply is optional.
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Boards, fan tray, and AC/DC PSUs are hot-swappable.
1.2.1 Chassis and Slots
I. S9502
(1) SRPU slot
(2) SRPU/LPU slot
(3) LPU slots
(4) PSUs
(5) Fan tray
Figure 1-1
Front view of the S9502
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The S9502 chassis provides four slots in its board area: from up to down, the first
one accommodates an SRPU, the second one accommodates an SRPU or a line
processing unit (LPU), and the remaining two slots accommodate LPUs or service
boards.
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At the bottom of the chassis is the power area that contains two power supply units
(PSUs). The switch supports both AC and DC power inputs. So you can select AC
or DC PSUs as needed. A PoE filter at the rear of the chassis is used to receive
power from an external PoE power supply.
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On the right of the chassis is the fan area that contains a vertical fan tray. The fans
draw air in from the left and exhausts air from the right.