AT&T System 85 - Manual (Page 122)

CHAPTER 8. TROUBLESHOOTING PROCEDURES FOR VOICE TERMINALS
7406D Digital Voice Terminal With Data Stand
1 .
2 .
3 .
Press the test button located on the rear of the stand.
◆ Tone ringing is heard.
◆ All lights go on.
◆ On the voice terminal display, each character goes on.
Release the test button.
◆ Tone ringing stops.
◆ All lights and display characters go off.
◆ An option summary and either
RAM TEST PASSED
or
RAM TEST FAILED
is displayed on the associated data terminal screen.
If any part of this test failed, notify your System Manager.
7407D Digital Voice Terminal
1 .
2 .
3 .
4 .
Hold the test switch (located on the left side of the base) toward the rear of the set.
◆ Tone ringing is heard.
◆ Red and green lights for the call appearance/feature buttons go on.
◆ Each character (40 on each line) of the display goes on.
Release the test switch.
◆ Tone ringing stops.
◆ The display characters go off.
◆ The remainder of the buttons ( with only one light each) plus the message
indicator should go on for about 4 seconds.
If the voice terminal has a data module, press the Test/Disc button located on the
data stand.
◆ The Test Results (Self-Test) light goes on.
If any part of this test failed, notify your System Manager.
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