Motorola CPCI-6115 Manuel de service Page 25

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Chapter 2 System Architecture
CPX8216 and CPX8216T Installation and Use (6806800A52C)
5
CPX8216 Standard Layout
The CPX8216 chassis consists of two 8-slot subsystems, or domains, each with two slots for
the host processor and six slots for nonhost CompactPCI boards. The HSC board mounts in
the rear of the chassis, behind the secondary CPU slot. The next figure provides a diagram of
this configuration.
Each of the two independent I/O domains has its own system processor slot. Each system
processor has direct access to its local bus through an onboard PCI-to-PCI (P2P) bridge. Each
domain is also capable of supporting a Hot Swap Controller (HSC) module that contains its own
P2P bridge. Thus, in a fully redundant configuration, there are two bridges that have access to
each of the I/O buses—one associated with the CPU and one with the HSC. Only one of the
bridges may be active at a time.
Figure 2-2. CPX8216 Standard Layout
4280 0504
1234567 9 111213141516
Segment B
Transition Slots
Segment B
Transition Slots
Segment A
I/O Slots
Compact PCI
Segment A
Segment B
I/O Slots
Compact PCI Bus
Segment B
Front Card Locations
Rear Card Locations
Segment A
CPU Transition Module
Segment B
CPU Transition Module
Segment A
HSC
Segment B
HSC
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