Open System Interconnection (OSI) Model. Objectives Explain the OSI reference model, which sets standards for LAN and WAN communications Discuss communication.
CS3502, Data and Computer Networks: the physical layer-2.
Mod 4 – Cable Testing CCNA 1. Copyleft:munz2 Overview Students completing this module should be able to: Differentiate between sine waves and square waves.
1 Electronics & Signals Honolulu Community College Cisco Academy Training Center Semester 1 Version 2.1.1.
© 2007 The McGraw-Hill Companies, Inc. All rights reserved The Internet Chapter 22.
Physical Layer Data Encoding Transmission media Signals Bits to signal transformation Timing (bit rate) Synchronization.
Lecture 9 Modems and Access Devices. Overview Computers are connected to telephone lines through the use of modems –modems: are connecting devices between.