Dpp System Architecture - Nortel DMS-100 Series Product Manual

Figure 1-2

DPP System Architecture

Input/Output
Equipment
Data Stream
Interface
Controller
Input/Output
Controller
0
MAP
Input/Output
Controller
1
Data Stream
Interface
Controller
Distributed Processing Peripheral
Data Stream
Interface
Processor
Main Central
Processing
Unit A
Data Stream
Interface
Processor
Data Stream
Interface
Processor
Main Central
Processing
Unit B
Data Stream
Interface
Processor
DMS-100 Family System
Understanding DPP 1-3
Serial
Input/Output
Disk Drive
Unit
Serial
Input/
Output
Crossover
Disk Drive
Unit
Serial
Input/Output
DPP Product Guide DPP001 and up
Host
Office
Collector
Modem
or
Meridian
Data Unit
Modem
or
Meridian
Data Unit