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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 | |