 |
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|
|
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|
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|
|
|
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| n |
One of the 100
subscribers lifts his handset -> Call finder
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|
|
is activated to search
the line.
|
|
|
| n |
After the line
is located other relays connect the dial-tone
|
|
generator.
|
|
|
| n |
The subscriber selects
two digits.
|
|
|
| n |
The first digit
selects the subscriber group by using the
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|
group selector.
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|
|
| n |
The second digit
selects the line selector.
|
|
|
| n |
Selection is
done by sending pulses that move the
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|
selectors
stepwise.
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|
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| n |
When connection
is established a ringing tone is sent.
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|
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| n |
Note that only
10 subscribers of 100 can call at the same
|
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|
time to
different numbers! (why?) (concentration is 1:10)
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|
