H3C Technologies H3C S9500 Series Switches - Manual (Page 12)

Installation Manual
H3C S9500 Series Routing Switches
Chapter 1 Product Overview
1-6
IV. For S9512
AC or DC power PoE
entry
Fa
n tr
ay 1
Fa
n tr
ay 2
LPU
LPU
LPU
LPU
LPU
LPU
SRPU
SRPU
LPU
LPU
LPU
LPU
LPU
LPU
AC or DC power AC or DC power PoE
entry
Fa
n tr
ay 1
Fa
n tr
ay 2
LPU
LPU
LPU
LPU
LPU
LPU
SRPU
SRPU
LPU
LPU
LPU
LPU
LPU
LPU
AC or DC power
Figure 1-8 S9512 slots
All modules in the cabinet are hot-swappable.
z
The S9512 chassis provides 14 slots: The two in the middle accommodate SRPU
modules, which are in 1+1 redundancy; the remaining 12 accommodate LPU
modules and service processor cards, which can be hybrid.
z
At the bottom of the chassis is the power supply area that contains the PoE entry
area and two PSUs that are online-swappable. The switch can be either
AC-powered or DC-powered.
z
On the right of the chassis is the fan area that contains two vertical fan trays. The
fan trays draw air from the left and exhausts on the right.
1.2.2 Backplane
The backplane of the S9500 series allows high-speed data exchange between an
SRPU module and LPU modules, as well as the exchange of various management and
control signals in the system.