Toshiba STRATA DK24 Manual page 597

STRATA DK FAULT FINDING
SECTION 200-096-500
FEBRUARY 1991
CHART NO. 11
PSTU FAULTS
Go to
Fault Classification
NOTE:
Verify the following:
- Programming.
. Station wirina.
- Standard telephone.
- Auxiliary de vice
appropriate PSTU
or PESU, if used.
Tag the
defective unit(s)
and return for
Ir',
END
NOTE:
If 'Ring-Trip" is the fault, set the ring generator jumper plug
to the 'L" (Low) position. The ring generator jumper plug is
equipped on the PEW and PTSU2 PCBs.
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