Basic Trouble Tests
Step 6.
Perform the action that first revealed the trouble.
IF
THEN
The trouble remains,
The voice terminal power supply
was not the source of the trouble.
Go on to Step 7.
The trouble no longer appears,
Trouble found.
It is caused by
the
voice terminal power supply.
Do not reconnect the adapter.
Read the section on Maintenance
Exchange Procedures at the end of
this manual.
Step 7.
Connect the Z400F Adapter back into the 103A Modular Jack.
Step 8.
Connect the power supply back into the ac outlet.
IF TROUBLE REMAINS
If you have not located the cause of the trouble, go on to “HOW TO SELECT THE
CORRECT PROCEDURE.”
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