USE OF HIGH-FREQUENCY TELEPHONE SYSTEMS AND IN PARTICULAR 120-CHANNEL SYSTEM IN THE RAILROAD TELECOMMUNICATION NETWORK

L'IMPIEGO DI SISTEMI TELEFONICI IN A.F. ED IN PARTICOLARE DEI SISTEMI A 120 CANALI NELLA RETE DI TELECOMUNICAZIONE FERROVIARIA

The use of high-frequency telephone system is well-adapted to the requirements of the railway telecommunications network. Alongside the traditional systems of 12-channel capacity and those by means of co-axial cable, the Italian State Railroad has introduced a 120-channel system to be used on a symmetrical cable. After mentioning some solutions adopted to solve questions arising from the characteristics of railway cables, a resume is given of the salient characteristics of the system together with some test results. A conclusion is made by expressing the opinion that the equipment adopted satisfies railway requirements.

• Authors:
  • Lega, L
  • Cremascoli, P
• Publication Date: 1973-1

Language

• Italian

Media Info

• Pagination: p. 3-12
• Serial:
  • INGEGNERIA FERROVIARIA
  • Issue Number: 1

Subject/Index Terms

• TRT Terms: Communications
• Subject Areas: Railroads;

Filing Info

• Accession Number: 00050033
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Dec 13 1976 12:00AM