AT&T System 25 - Manual (Page 168)

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Test PDC Login
At a voice terminal, go off-hook and dial * * PDC PDC, where PDC is
a PDC other than that of the test terminal.
— You should hear a confirmation tone.
At another voice terminal, go off-hook and dial the PDC that was
logged into the first terminal.
You should hear ringing at the first terminal.
At the home voice terminal of the PDC that was logged in, go off-
hook and dial l l PDC PDC.
— You should hear a confirmation tone.
Repeat Step 2, but this time the home terminal should ring.
Call Coverage Test
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6.
From the SAT, determine how many rings
coverage treatment. Also, identify a voice
and its covering voice terminal.
At a third voice terminal, go off-hook and
terminal.
have been set before
terminal with coverage
dial the covered voice
Verify the number of rings at the covered terminal.
Verify ringing at the covering terminal.
At the calling voice terminal, go on-hook.
Check both individual and group coverage.
3-8 November 1995