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From the 66-type block, cross-connect tie line port 1 to
one of the ports you want to test (ports 2, 3, or 4). See
Figure 4-2.
NOTE:
Test only one port at a time.
Go off-hook on station A.
> If you hear dial tone, go on to step 10.
> If you do not hear dial tone, hangup and repeat
steps 8 and 9 for any other ports being tested.
When all ports have been tested, go onto step 17.
Dial station B.
> If the tie line does not drop (within five seconds),
go on to step 11.
> If the tie line drops within five seconds, hangup
and repeat steps 8 and 9 for any other ports being
tested. When all ports have been tested, go onto
step 17.
Listen for ringback tone.
> If there is ringback tone, go on to step 12.
> If there is no ringback tone, hang up and repeat
steps 8 and 9 for any other ports being tested.
When all ports have been tested, goon to step 17.
Pick up the handset at station B.
> If you are connected to station B; hangup and go
on to step 13.
> If you are not connected to station B, hang up and
repeat steps 8 and 9 for any other ports being
tested. When all ports have been tested, go onto
step 17.
Tie Line Troubleshooting 4-19