Polycom DOC2237A manual MGC-50 functional block diagram

Chapter 3 - System Architecture

Figure 3-6 shows the physical layout of the MGC-50 and how it interfaces with the outside world.

	H323			ISDN		ATM
	Network		Network Network
			CSU/PABX					Workstations		LAN
MGC-100
		I/O		I/O		I/O			RS232	Ethernet
		Card		Card		Card
					ControlMain		Floppy Disk		Main	LAN
						oduleM			CPU	Interface
							Hard Disk
										CPU Bus

	Functional Modules		Power Bus
Serial
equipment
		Communication Bus
			Information

ISDN	H323	ATM	MPI	MUX
Network	Network	Network	Network
				Module
Interface	Interface	Interface	Interface

MPI

Box

	Power		Power
Power	Module		Module
Supply
Unit
		Power Plane

Workstations Alarms 120/230 V

RS232

Serial	Comm.
Interface	Controller

Audio	Video	Data
Module	Module	Module

Fan

Module

Power

Module

Figure 3-6: MGC-50 functional block diagram

3-6