Outline Of Troubleshooting; Figure 2-2 Troubleshooting Outline - NEC NEAX 2000 IVS2 Maintenance Manual

CHAPTER 2 TROUBLESHOOTING

Outline of Troubleshooting

OUTLINE OF TROUBLESHOOTING
Figure 2-2 shows an outline of the recommended troubleshooting procedure.
Page 64

Figure 2-2 Troubleshooting Outline

START
FAULT DETECTION
FAULT DIAGNOSIS
AND
TROUBLESHOOTING
END
FAULT DETECTION METHOD (SEE
(1) ALARM INDICATION ON PWRU, ALARM
DISPLAY PANEL
(2) LAMP INDICATION ON CIRCUIT CARDS
(3) COMPLAINT FROM STATION USER OR
OPERATOR
FAULT DIAGNOSIS AND TROUBLESHOOTING
METHOD
(1) DISPLAY ON MAT/CAT (SEE
• FAULT MESSAGE
• STATION LINE STATUS DISPLAY
(2) LAMP INDICATION ON CARDS
(SEE PAGE 90.)
(3) CONTENTS OF COMPLAINT FROM STATION
USER OR OPERATOR (SEE
NEAX2000 IVS
PAGE 65.)
PAGE 75.)
PAGE 119.)
2
Maintenance Manual
ND-70926 (E), Issue 3.0