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TESTING OUTSIDE
LINES
Testing Each Outside
Line Number for
Incoming Calls
5 After verifying two-way communication, hang up at
both voice terminals.
On both voice terminals, the lights go out, and the red light goes
on next to the third button down in the left most column of buttons.
Make sure the outside lines for the numbers assigned to
the system are connected to the control unit modules.
Perform this test from the administrator/attendant console
at Intercom 10:
1
2
3
From any other voice terminal in your system, have
someone dial the outside line numbers in the order in
which they appear on Form 1a, System
Form-Incoming Lines, for Release 3 or the Master
Planning Form for Feature Modules 1 and 2.
As each call is completed, the console starts to ring, the green light
flashes and the red light goes on next to the appropriate line
button.
If the green light flashes next to the wrong line button,
make sure the connections are correct between the
jacks in the line module(s) in the control unit and the
jacks at the network interface or in the jack field.
When you have verified two-way communication,
hang up the handsets at both voice terminals.
The green light next to the button for the outside line should go off.
When you’re testing line 01, the red light stays on the third button.
When you’re testing subsequent lines, the red light jumps back
from the line that was tested to the third button.
Repeat the procedure for each of the outside line
telephone numbers.
Testing the System 2-103