Philips -Telecommunications Global-View 1980 240dpi free download

File name Philips-Telecommunications_Global-View_1980_240dpi.pdf

Telecommunications PHILIDS PHILIPS ransm fission Radar ontrol j ystems Public Telephony DataTelecommunications PrivateTelephony Mobile Radio Radio Communication Traffic Systems Contents An Introduction ... 2- 7 Transmission 8 - 25 Radar Control Systems 26 - 35 Public Telephony 36 - 49 Data Telecommunications 50 - 65 Private Telephony ss - 77 Mobile Radio 7s - 8s Radio Communication so - ss Traffic Systems 100 -117 Principal Telecommunication Companies 1 is -11s Colophon 120 Special Demands An Introduction ... Most of these areas, particularly tele- communications equipment (but the same applies to airport systems and traffic control), make special demands on the supplier. They can all be loosely described as 'capital equipment'. Each telephone exchange, for instance, represents an enormous investment for the customer. It must therefore be designed and built to serve for decades. This calls first for an extraordinarily high level of reliability, but it must also have another important quality. It must actively