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Analog Networks

Audience

Operational and technical staff

Prerequisites

A thorough understanding of the basics of wide area networks as provided by the course WAN Technologies

Course Aim

To introduce the student to the operation of wide area networks

Learning Objectives

Distinguish between point-to-point and multipoint links and between dedicated and dial-up links. Describe each type of link and choose the appropriate link for a given situation. Describe the polling of branches on a multipoint link and explain muxing. Calculate loss (or gain) in decibels. Use a line analyzer to carry out continuity, noise, amplitude distortion, frequency shift, impulse noise, and phase jitter tests. Suggest appropriate solutions to these problems. Describe briefly the application of modems and the EIA-232 interfaces.

Topics Covered

Network links - Introduction - Leased v dial-up lines - Point-to-point v multipoint - Problems with links etwork operation - Polling and FEP - Multiplexing - Designing a network Faults, loss, and noise - Fault types - Loss - Noise - Units of measurement - Distortions Testing - Continuity and noise testing - Amplitude distortion test - Frequency shift and impulse noise