Polycom DOC2237A Hardware Installation Manual page 68

Chapter 3 - System Architecture
H323
Network
MGC-100
I/O
Card
Serial
equipment
MPI
Box
3-6
Figure 3-6 shows the physical layout of the MGC-50 and how it interfaces
with the outside world.
ATM
ISDN
Network
Network
CSU/PABX
I/O I/O
Card Card
ISDN
Network
Interface
Power
Supply
Unit
Figure 3-6: MGC-50 functional block diagram
Workstations
RS232 Ethernet
Floppy Disk
Main
Interface
CPU
Hard Disk
CPU Bus
Power Bus
Communication Bus
Information
H323 ATM MPI
Network
Network Network
Interface Interface Interface
Power Power
Module Module
Power Plane
LAN Workstations Alarms
RS232
LAN Serial Comm.
Interface Controller
Audio Video
MUX
Module Module
Module Module
Fan
Module
Power
Module
120/230 V
Data