
Chapter 3 - System Architecture
3-6
Figure 3-6 shows the physical layout of the MGC-50 and how it interfaces
with the outside world.
Figure 3-6: MGC-50 functional block diagram
Power Bus
Communication Bus
Information
Power Plane
Serial
CPU Bus
Floppy Disk
Hard Disk
120/230 V
ISDN
Network
CSU/PABX
ATM
Network
H323
Network
Serial
equipment
I/O
Card
I/O
Card
I/O
Card
Main
Functional
Modules
Power
Supply
Unit
MGC-100
MPI
Network
Interface
ATM
Network
Interface
H323
Network
Interface
ISDN
Network
Interface
MPI
Box
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