Reference for Connection Link Number between DL and Tl Link
Note.
If the Tl Tie-line Link which corresponds with the DL Link No. is already busy, then,
the next Tie-line Link is automatically used.
Exchange which calls
Exchange which is called
Tl Tie-line Link Number
DL
Link No
2 Tie-lines
To TI1,TI2
3 Tie-lines
Tl Tie-line
Link Number
To TI1
To TI2
DL Link Number
Fixed by Connection
Cable between
Exchanges
After power switch
is on, Links are
used in numerical
order
— 13 —
