Telecommunication Journal, 49. sējums,7-12. izdevumsInternational Telecommunication Union, 1982 |
No grāmatas satura
1.–3. rezultāts no 91.
429. lappuse
... channel from the subscriber to the exchange , a 64 kbit / s channel is created , are under study by various administrations and manufac- turers , and may be a solution to this problem . In this concept , the voice channel carries the ...
... channel from the subscriber to the exchange , a 64 kbit / s channel is created , are under study by various administrations and manufac- turers , and may be a solution to this problem . In this concept , the voice channel carries the ...
617. lappuse
... channel if required owing to common- channel interference or other interference on the previous channel . At the same time , this means that all the connections will be passed on without interruption when subscribers change from one ...
... channel if required owing to common- channel interference or other interference on the previous channel . At the same time , this means that all the connections will be passed on without interruption when subscribers change from one ...
682. lappuse
... channel FDM systems are 8 km and for 30 - channel PCM systems , 2-3 km . Typical costs for FDM systems are 1500 dollars per channel installed and 1000 per repeater . As for PCMs , they are 750 dollars per channel installed and 300 per ...
... channel FDM systems are 8 km and for 30 - channel PCM systems , 2-3 km . Typical costs for FDM systems are 1500 dollars per channel installed and 1000 per repeater . As for PCMs , they are 750 dollars per channel installed and 300 per ...
Saturs
Material from this publication may be reproduced in The international approach to the ISDN | 411 |
Trends in digital switching and ISDN | 421 |
The Journal one hundred years ago | 430 |
Autortiesības | |
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