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3-6 The order of Tie-line link usage
The Tie-line Link Number which is used in calls between exchanges
is not directly indicated, but you can possibly get it from the link
number which is indicated on the HC-62.
When
one
Tie-line
Link
brings
up
some
problems
which
cause
the
system not to work properly, try to find which link number is
causing the problems from the indication on the HC-62 of the
exchange making the call.
As Fig. 1 and Fig. 2 show, in the exchanges which make calls, the
DL Link Number corresponds with Tl Tie-line Link Number.
In the exchange which is called, the Tie-line Link Number of the Tl
Unit is fixed by connection between exchanges.
DL Links are used in numerical order.
1. Tie-line for 2 exchanges
Exchange which calls
Exchange which is called
Station which calls
Station which is called
Connection Cable
between exchanges
Exchange which is called
2. Tie-line for 3 exchanges
Exchange which calls
Station which calls
No.
47O
Station which is called
Fig.
2
Fig.
1
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