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Text File  |  1991-03-12  |  2KB  |  35 lines
  1. Telecommunications Revenue:1981-1987                                        (in millions of dollars)     Item                            1981     1983     1985     1987 
  2.  
  3.      Total                       105,839  126,860  135,701  153,830
  4.    Public markets                 98,229  117,696  124,357  140,838
  5. Transmission equipment(1)          1,587    2,188    2,712    3,072
  6. Switching equipment(2)               333    1,286    3,221    3,438
  7. Public services(3)                96,309  114,095  117,622  131,905
  8. Cellular mobile radio(4)               -      127      802    2,422
  9.  
  10.      On-premises markets           7,610    9,074   11,344   12,992
  11. Terminal equipment(5)              1,567    1,857    2,571    2,865
  12. Data communications equipment(6)     904    1,610    2,493    2,913
  13. Local area network connections        28      150      593    1,535
  14. Switching equipment(7)             6,280    6,766    7,298    7,009
  15. Attached network functions(8)        131      232      463      763
  16.  
  17.  
  18. 1. Includes multiplex, carrier, microwave radio & satellite earth
  19.    station equipment.
  20. 2. Includes central office, OCC, & private packet switching equip.
  21. 3. Includes local & long distance telephone services, & public data
  22.    network services.
  23. 4. Includes cellular telephone equipment & cellular network services.
  24. 5. Includes single-line telephone equipment & integrated V/D work-
  25.    stations & facsimile equipment.
  26. 6. Includes data network control systems, & modem, statistical and
  27.    T-1 multiplexer, front-end processor, & DSU/CSU equipment.
  28. 7. Includes data PBX systems, key, PBX & centrex telephone systems,
  29.    & automatic call distributors.
  30. 8. Includes call accounting equipment, and voice messaging & video
  31.    teleconferencing systems.
  32.  
  33. Source:Dataquest, Inc., San Jose, CA.
  34.  
  35.