As an expressway telecommunication system, the hw-1 system was designed and put into service on the tomei expressway in 1968. To date, this system is operating excellently. This paper will present the main features and faculties of the hws-1 switching equipment, such as the zigzag-type network which always has two routes, delayed basis hot-line service under the non-delay network, and remote control of transfer call and traffic.
Telecommunication system on expressways
JAPAN TELECOMMUN. REV. ; 13 , 2 ; 89-93
1971
5 Seiten, 9 Bilder, 1 Quelle
Article (Journal)
English
Telecommunication facilities for expressways
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