CHAPTER 2 TROUBLESHOOTING
ā 221 ā NWA-008847-001 Rev.3.0
a6ch2001.fm
Transmission quality is not
acceptable.
Noise/Distortion (1) Cabling between the PBX and the
MDF or between the MDF and the
lines is properly run to avoid induc-
tion from an AC Power Cable, motor
or power supply equipment.
(1) Trunk card
(2) FP card
(3) MP card
(4) PWR card
Low Voice Level (1) Loose connection of cables on the
MDF.
(1) Trunk card
(2) FP card
(3) MP card
Cross Talk (1) Wiring on the MDF is properly.
(1) Trunk card
(2) FP card
(3) MP card
(4) PWR card
B
END
CHECK
REPLACE
CHECK
REPLACE
CHECK
REPLACE
FAULT DIAGNOSIS AND TROUBLESHOOTING
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