AT&T System 25 - Manual (Page 165)

SYSTEM TESTS
TEST SINGLE-LINE VOICE TERMINALS
Test each single-line voice terminal by placing station-to-station and external
calls.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
At the test terminal, go off-hook.
— You should hear system dial tone.
Dial the PDC of another working terminal.
A t
A t
A t
You should hear ringback at the calling terminal and ringing
at the called terminal.
the called voice terminal, go off-hook and verify transmission.
both voice terminals, go on-hook.
the test terminal, go off-hook.
Dial the
Dial the
You should hear
CO trunk access
You should hear
system dial tone.
code.
CO dial tone.
listed directory number for the system you are installing.
You should hear ringback at the calling terminal and ringing
at the attendant position.
Go off-hook at the attendant position, and verify transmission.
At the calling terminal and attendant position, go on-hook.
If the station is toll restricted, place a toll call.
— You should hear reorder tone.
If any terminal feature is not working properly, verify the translations
at the SAT.