A Communications Model
- Source
- generates data to be transmitted
- Transmitter
- Converts data into transmittable signals
- Transmission System
- Carries data
- Receiver
- Converts received signal into data
- Destination
- Takes incoming data
Simplified Communications Model - Diagram
Key Communications Tasks
- Transmission System Utilization
- Interfacing
- Signal Generation
- Synchronization
- Exchange Management
- Error detection and correction
- Addressing and routing
- Recovery
- Message formatting
- Security
- Network Management
Simplified Data Communications Model
