Page 31 - Telebrasil - Setembro/Outubro 1981
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direct access (simple access) or through the National
TELEX/brazil has 44 thousands Telex terminals
(they were 3,200 in 1972), and forecasts 80 thousands Telex Network. The telex switching is an electronic time
for 1985. In 1978, it was implemented a Computerized division exchange, integrated to the international net
Message Switching System (known as Sicram), which work. The service is provided by Embratel.
permits system sharing among several companies, with
Chart 4
TELEX SERVICE
National International
Telex Telex Traffic Telex Traffic
Period Terminals Minutes Minutes
(1 0 0 0 ) (1 0 0 0 )
1972 3.200 NA NA
1973 4.060 NA 4.419
1974 10.980 5.193 5.808
1975 11.850 48.071 7.463
1976 16.730 70.069 8.449
1977 19.050 89.782 9.289
1978 24.005 109.652 10.976
1979 38.320 125.389 12.962
1980 44.091 161.804 14.832
NA“ Data not available
Table 4
D A T A T R A N SM ISSIO NN /The
data transmission services are Embratel responsibility, STATIONS MW LW SW FM TV
which provides some directly via Public Data Com 1042 94 33 323 120
munications Network, and other, renting means from the Private
National Telecommunications System.
State 34 12 08 15 12
The service covers all the country and exists since 1980
in a multipoint, point-to-point configuration. TOTAL 1076 106 41 338 132
In 1983 it will come into service a Packet Switching net
work, with nodes located in Rio de Janeiro, São Paulo
and Brasilia and concentrator access for other locations.
The use of alternate voice/data (AVD) is possible by us
ing modem and acoustic couplings.
The telex network is used to access data banks.
In the international environment, there is a aeronautical
service connected to the global network of SITA.
Eor 1982 there are forecasted participations together
with Swift, Tymenet and Telenet global networks in or
der, to access financial, commodities, education and
teenology informations.
RADIO AND TV /The implementation
of the National Telecommunications System possibili
ta ted the creation of the National Television Network,
which is integrated with the International Communica
tions System via Satellite (Intelsat), in order to comple
ment the country coverage with local and foreign gener
ated images (see general map). The National Television
Network is operated by Embratel. C O A S T A L S T A T IO N S /The Coas
tal Stations National Network, in reality, has interna
tional reaching. Besides payed services, including tele
Radio and TV are exploited predominantly by private
phony, it offers free facilities to the messages related to
enterprise, by Union granted permission (table 4). Due
to the fact of the existence of large areas, in Amazonia human life security at sea.
region, without national broadcast coverage, Radiobras It is constituted by a 16 stations network, with access to
was created, which is a state enterprise purposing to Inmarsat satellite (General Map). Embratel operates
cover this region. this network. f
