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TIME: Almanac 1990
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1990 Time Magazine Compact Almanac, The (1991)(Time).iso
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products.7
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1991-03-12
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35 lines
Telecommunications Revenue:1981-1987 (in millions of dollars) Item 1981 1983 1985 1987
Total 105,839 126,860 135,701 153,830
Public markets 98,229 117,696 124,357 140,838
Transmission equipment(1) 1,587 2,188 2,712 3,072
Switching equipment(2) 333 1,286 3,221 3,438
Public services(3) 96,309 114,095 117,622 131,905
Cellular mobile radio(4) - 127 802 2,422
On-premises markets 7,610 9,074 11,344 12,992
Terminal equipment(5) 1,567 1,857 2,571 2,865
Data communications equipment(6) 904 1,610 2,493 2,913
Local area network connections 28 150 593 1,535
Switching equipment(7) 6,280 6,766 7,298 7,009
Attached network functions(8) 131 232 463 763
1. Includes multiplex, carrier, microwave radio & satellite earth
station equipment.
2. Includes central office, OCC, & private packet switching equip.
3. Includes local & long distance telephone services, & public data
network services.
4. Includes cellular telephone equipment & cellular network services.
5. Includes single-line telephone equipment & integrated V/D work-
stations & facsimile equipment.
6. Includes data network control systems, & modem, statistical and
T-1 multiplexer, front-end processor, & DSU/CSU equipment.
7. Includes data PBX systems, key, PBX & centrex telephone systems,
& automatic call distributors.
8. Includes call accounting equipment, and voice messaging & video
teleconferencing systems.
Source:Dataquest, Inc., San Jose, CA.