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Preface | |
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About the Author | |
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An Introduction and Brief History | |
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History of the Telephone System | |
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The Basic Telephone Set | |
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Network Connection Basics | |
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Tip and Ring | |
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Open Wire | |
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Why the Negative Voltage? | |
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The Solution: Reverse the Battery Polarity | |
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The Telephone Set | |
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Telephone Set Function 1: To Provide a Signal That a Call Has Started or a Call Is Finished | |
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Telephone Set Function 2: To Provide the Number Being Called to the Connected Telephone Switch | |
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Telephone Set Function 3: To Indicate There Is an Incoming Call | |
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Telephone Set Function 4: To Convert Voice to Electrical Frequencies and Electrical Frequencies to Voice | |
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Additional Telephone System Features | |
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Some Common Handset Signals | |
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Caller ID | |
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Preferred Interexchange Carrier (PIC) | |
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The Local Loop and Beyond | |
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The Local Loop | |
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Transmission Lines and the Local Loop | |
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Loading Coils | |
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Bridged Taps | |
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Analog Signals beyond the Local Loop | |
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The Changing Local Loop | |
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Multiplexing | |
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Analog or Frequency Multiplexing | |
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Digital Multiplexing | |
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The Digital Signal (DS) Level System | |
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Digroups or DS-1 Signals | |
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DS-2 Signal | |
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DS-3 Signal | |
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DS-4 Signal | |
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DS-5 Signal | |
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European E-Carrier Hierarchy | |
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Synchronous Optical Network (SONET) | |
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Data Transmission on T-1 Carriers | |
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T-1 Carrier Pulse Cycles | |
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Bipolar with 8-Zero Substitution (B8ZS) | |
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Frame Relay | |
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Frame Relay Transmission | |
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Frame Structure | |
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Asynchronous Transfer Mode | |
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Cell Structure | |
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Transmission Media | |
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Copper Systems | |
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Open Wire | |
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Insulated Copper Wire | |
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Inside-Wire (IW) Industry Color Code | |
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Cable Color Code | |
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Twisted-Pair, Data-Grade Cabling | |
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Crosstalk | |
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Coaxial Cable | |
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Wireless Long-Haul Systems | |
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The Radio Spectrum | |
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Microwave | |
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Satellite Systems | |
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Optical Fiber Systems | |
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Step-Index Fiber | |
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Graded-Index Fiber | |
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Single-Mode Fiber | |
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Switching | |
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The First Switches: Operators | |
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Trunking | |
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Tandem Offices | |
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Toll Centers | |
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Switching Emerges | |
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Legacy Switching Hierarchy | |
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Private-Branch Exchanges (PBXs) | |
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Automatic Switching | |
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The Strowger Switch | |
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The Crossbar Switch | |
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Electronic Switches | |
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Traffic and Blocking | |
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Determine Busy Hour Traffic | |
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Signaling | |
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How Calls Move from One Point to Another | |
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In-Band Signaling | |
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Out-of-Band Signaling | |
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Integrated Services Digital Network | |
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How ISDN Works | |
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Broadband ISDN | |
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Data on the Legacy Network | |
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Analog Modems | |
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Modem Function | |
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Modulation | |
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Noise | |
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Shannon's Law | |
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Modulation Standards | |
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The Digital Connection | |
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With Analog-to-Digital Conversion | |
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Without Analog-to-Digital Conversion | |
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Error Correction | |
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Parity Checking | |
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Modem Error Detection and Correction | |
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Data Compression | |
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V.42bis Data-Compression Standard | |
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V.44 Data-Compression Standard | |
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Broadband for the Masses: Digital Subscriber Line and Cable Modem | |
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A Local Loop Review | |
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Asymmetric Digital Subscriber Line | |
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Separating the Voice Frequencies | |
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ADSL Data Rate Asymmetry and Bandwidth | |
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ADSL Signal Modulation | |
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Other Forms of Digital Subscriber Line | |
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Very High Speed Digital Subscriber Line | |
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High Bit Rate Digital Subscriber Line | |
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Symmetric Digital Subscriber Line | |
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High Bit Rate Digital Subscriber Line 2 | |
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ISDN Digital Subscriber Line | |
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Cable System Networks | |
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Cable Headend | |
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Cable Trunks | |
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Cable Distribution Points | |
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CATV Frequency Allocation | |
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Data on the Cable | |
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Bandwidth Sharing | |
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Privacy | |
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Cable Data Signal Modulation | |
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Multiple-Device Internet Access Security and Performance | |
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Firewalls and Proxy Servers | |
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Is One Access Method Better than the Other? | |
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Computer Networks | |
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Network Configurations | |
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Local-Area Networks | |
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Campus-Area Networks | |
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Metropolitan-Area and Wide-Area Networks | |
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Network Designations | |
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Peer-to-Peer Networks | |
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Server-Based Networks | |
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Network Topologies: Connecting the Computers | |
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Bus Topology | |
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Star Topology | |
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Ring Topology | |
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The Open System Interconnect Model | |
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Data Transfer | |
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The Internet Engineering Task Force and Request for Comments | |
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Application Layer | |
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Presentation Layer | |
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Session Layer | |
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Transport Layer | |
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Network Layer | |
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Data-Link Layer | |
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Physical Layer | |
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Connecting LAN Devices | |
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Ethernet | |
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Ethernet Standards | |
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The IEEE 802.3 Ethernet Specification | |
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Ethernet Bus Topology | |
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10Base2 | |
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10Base5 | |
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Bus Network Termination | |
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Bus Network Extension: The Simplified Ethernet 802.3, 5-4-3 Rule | |
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Ethernet System Delay | |
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10Base2 and 10Base5 Network Disadvantages | |
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Twisted-Pair, Data-Grade Cabling | |
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UTP Termination: The 568 Standard | |
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10BaseT and Fast Ethernet | |
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10BaseT | |
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Fast Ethernet | |
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Ethernet Multiport Repeaters versus Switches | |
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Multiport Repeaters | |
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Ethernet Switches | |
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Gigabit Ethernet | |
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1000BaseSX | |
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1000BaseLX | |
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1000BaseCX | |
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1000BaseT | |
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How Gigabit Ethernet Is Used | |
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10-Gigabits-per-Second Ethernet | |
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Token Ring | |
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Token Ring Topology | |
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Connecting to the Ring | |
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Token Passing | |
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Ring Beaconing | |
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The Future of Token Ring | |
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Fiber-Distributed-Data Interface | |
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Telecommunications Filters | |
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Glossary | |
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Index | |