Telecommunication Journal, 60. sējums,1-6. izdevumsInternational Telecommunication Union, 1993 |
No grāmatas satura
1.–3. rezultāts no 40.
124. lappuse
... exchange room has an earthing of 5 2 , with the earth sink located some 20 m from the automatic exchange . To avoid line impedance problems , it was decided to establish a new earth as close as possible to the exchange room and to ...
... exchange room has an earthing of 5 2 , with the earth sink located some 20 m from the automatic exchange . To avoid line impedance problems , it was decided to establish a new earth as close as possible to the exchange room and to ...
164. lappuse
... exchange may also include a second level for lines attached to a secondary level switching module , a " concentrator " , this one depending at the primary level from an RSU attached to the host exchange . Many examples of such a network ...
... exchange may also include a second level for lines attached to a secondary level switching module , a " concentrator " , this one depending at the primary level from an RSU attached to the host exchange . Many examples of such a network ...
199. lappuse
A new telephone exchange for the ITU Training in telecommunication service charging Competition in the local exchange. ITU headquarters in Geneva have just been equipped with an ultramodern ISDN private telephone exchange , with high ca ...
A new telephone exchange for the ITU Training in telecommunication service charging Competition in the local exchange. ITU headquarters in Geneva have just been equipped with an ultramodern ISDN private telephone exchange , with high ca ...
Saturs
IDEAS AND ACHIEVEMENTS | 17 |
ITU 920137 | 23 |
A de Ferron ITU | 37 |
Autortiesības | |
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