Telecommunication Journal, 36. sējums,303-732. lapaInternational Telecommunication Union., 1969 |
No grāmatas satura
1.–3. rezultāts no 76.
399. lappuse
... line . Another provides up to 28 internal stations , with two central exchange lines . A third offers more than 28 internal stations , with up to 11 central exchange lines . 2. Communication systems for larger businesses - including the ...
... line . Another provides up to 28 internal stations , with two central exchange lines . A third offers more than 28 internal stations , with up to 11 central exchange lines . 2. Communication systems for larger businesses - including the ...
448. lappuse
... lines can only be covered if these lines are used as fully as possible . In local calls , the called subscriber is nearly always free and the connection can be set up without delay , whereas long - distance lines are usually engaged ...
... lines can only be covered if these lines are used as fully as possible . In local calls , the called subscriber is nearly always free and the connection can be set up without delay , whereas long - distance lines are usually engaged ...
693. lappuse
... LINE SYSTEMS OFF - LINE SYSTEMS Provide plant computers PHASE 1 LONG LINES Stage 1 lines Stage 2 equipment Stage 3 circuit orders Stage 4 circuit estimates Data for : cost results equipment planning service observations residential ...
... LINE SYSTEMS OFF - LINE SYSTEMS Provide plant computers PHASE 1 LONG LINES Stage 1 lines Stage 2 equipment Stage 3 circuit orders Stage 4 circuit estimates Data for : cost results equipment planning service observations residential ...
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