Description: 1. An Overview of the Industry. 2. Background and Origins. 3. Organizations. 4. Hardware. 5. Trends for the Future. 6. Basic Telecommunications Technology (Telegraphy). 7. Basic Electricity and Magnetism. 8. Transmitting Information by Telegraph. 9. Basic Telecommunications Technology (Telephony). 10. Receivers and Transmitters. 11. Inductance and Capacitance. 12. Impedance and Its Importance to Telephony. 13. Power and Decibels. 14. Digital Telecommunications. 15. Basic Principles of Digital Information. 16. Computers and Digital Systems. 17. Examples of Data Communication. 18. Private Telecommunications Systems. 19. Some Basic Questions. 20. A System Block-Diagram (What makes up a private telecom system?). 21. PBX Hardware-What's Inside the Cabinet? 22. Transmission Links. 23. Stations. 24. Options and Peripherals. 25. PBX Features and Functions. 26. Station Features. 27. Attendant Console Features. 28. System Features. 29. Station Equipment. 30. The Single-Line Telephone. 31. Multi-function Phones. 32. Optional Equipment Connected to Telephones. 33. Data Terminals. 34. Transmission Media. 35. Media Characteristics. 36. Nonconductors and Insulators. 37. Coaxial Cable and Other Shielded Cables. 38. Waveguide. 39. The Wireless Medium. 40. Fiber Optics "Light Pipe". 41. Transmission Forms. 42. Analog and Digital Signals. 43. Frequency and Bandwidth. 44. Frequency Division Multiples (FDM). 45. Amplitude Modulation (AM). 46. Frequency Modulation (FM). 47. Phase Shift Modulation (PSM). 48. Time-Division Multiples (TDM). 49. Pulse-Amplitude Modulation (PAM). 50. Pulse-Code Modulation (PCM). 51. Delta Modulation. 52. Simplex, Half-Duplex and Full-Duplex. 53. Signalling. 54. Signalling Over Telephone Transmission Links. 55. Signalling Over E&M Tie Trunks. 56. Digital Signalling and Transmission. 57. Switching. 58. Mechanical Switching Principles. 59. Electronic Switching-Space-Division Multiplexed. 60. Electronic Switching-Time-Division Multiplexed. 61. Common-control. 62. Computer-Controlled Switching. 63. Private Networks and Routing. 64. A Single-Switch Configuration. 65. Multiple Switch Configurations. 66. Routing in Multi-Switch Networks. 67. Digital Switching in Private Networks. 68. Emplacement of a Private Telecom. 69. System Design Coordination. 70. Planning. 71. Summary of Preparation and Installation. Glossary. Index.

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