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12
C
1: P
HAPTER
RODUCT
Backplane
O
VERVIEW
Switch 8814
Figure 6 Switch 8814 slots
AC PSU
The Switch 8814 chassis provides 14 slots in its board area: The middle two
■
accommodate fabric modules, which can operate in 1+1 redundancy mode;
the remaining 12 accommodate I/O or application modules, which you can
select from various available models. All modules in this area are
hot-swappable.
At the bottom of the chassis is the power area that can accommodate one PoE
■
entry module and two PSUs. The two PSUs are online-swappable. The switch
supports AC power inputs.
On the right of the chassis is the fan area that contains two vertical
■
hot-swappable fan trays. The fan trays draw and exhaust air from left to right.
The backplane of the Switch 8800 Family allows high-speed data exchange
between fabrics and I/O modules, as well as the exchange of various management
and control signals in the system.
Functions
The following are the main functions of the backplane:
Providing communication channels for signal exchange between boards
■
Supporting board hot-swapping
■
Supporting auto-discovering boards in slots
■
Connecting PSUs, distributing power and providing monitor channels to
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various components (PSUs, fabrics and I/O modules) in the chassis.
Structure
Switch 8807
■
I/O Module
I/O Module
I/O Module
I/O Module
I/O Module
I/O Module
Fabric
Fabric
I/O Module
I/O Module
I/O Module
I/O Module
I/O Module
I/O Module
PoE
AC PSU
entry
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