Telecommunication Journal, 58. sējums,393-548. lapaInternational Telecommunication Union., 1991 |
No grāmatas satura
1.–3. rezultāts no 39.
440. lappuse
... exchange may also be a suitable solution . With advances in micro - electronics , it is now possible to develop a ... exchange . The local exchange in turn is connected via trunks to a trunk exchange which provides two- wire / four ...
... exchange may also be a suitable solution . With advances in micro - electronics , it is now possible to develop a ... exchange . The local exchange in turn is connected via trunks to a trunk exchange which provides two- wire / four ...
441. lappuse
... exchanges are in vil- lages and have a capacity of less than 100 lines . Some of them though may expand up to 150 lines . The exchange at the district centres have capacities be- tween 400-1500 lines and account for nearly 20 % of the ...
... exchanges are in vil- lages and have a capacity of less than 100 lines . Some of them though may expand up to 150 lines . The exchange at the district centres have capacities be- tween 400-1500 lines and account for nearly 20 % of the ...
442. lappuse
... exchange is now ready for field trials in the network . 5.1.3 C - DOT 512 - port rural exchange The exchange utilizes 4 : 1 concentra- tion for sharing the 512 time slots . Four 128 - port hardware modules along with two additional ...
... exchange is now ready for field trials in the network . 5.1.3 C - DOT 512 - port rural exchange The exchange utilizes 4 : 1 concentra- tion for sharing the 512 time slots . Four 128 - port hardware modules along with two additional ...
Citi izdevumi - Skatīt visu
Bieži izmantoti vārdi un frāzes
Alcatel Alcatel STR Ameritech Anritsu antennas applications areas broadband broadcasting cable CCIR CCITT CeBIT Cedex cellular communication systems connectors data communication December Working Party designed display editions in F electronic equipment European Eutelsat exchange exhibit facsimile fibre optic France frequency Geneva Genève global Greenland HDTV industry installation integrated INTELSAT interface INTERNATIONAL TELECOMMUNICATION INTERNATIONAL TELECOMMUNICATION UNION interworking ISBN ISDN Japan kbit/s lines maintenance Mbit/s ment mobile modems modules monitoring multiplexers munication network management nications November Working Party operation optical fibre PABX packet Parties of Study programme protocol PSTN range RASCOM Recommendation rural satellite sector Senior expert Separate editions signals Singapore Study Group XV subscriber Sw.fr switching Switzerland synchronous digital hierarchy tele TELECOM 91 telecommunica Telefax television Telex terminals tion transmission systems Trilingual edition UNDP United Kingdom users voice volume VSAT