Toshiba Strata DK24 Installation And Maintenance Manual page 272

PARAGRAPH
1 GENERAL ..............................................................................................................
2 FAULT CLASSIFICATION ......................................................................................
3 FAULT CLEARING PROCEDURES ......................................................................
4 DEFECTIVE APPARATUS RETURNS ..................................................................
5 FAULT IDENTIFICATION AND ELIMINATION PROCEDURES ...........................
6 POWER SUPPLY ...................................................................................................
7 STATION CABLE CONTINUITY CHECK...............................................................
7.11 Voltmeter Test ........................................................................................................
7.2 Ohmmeter Test .......................................................................................................
FLOWCHARTS
CHART NO 1 -
CHART NO 2 -
CHART NO. 3 -
CHART NO. 4 -
CHART NO. 5 -
CHART NO. 6 -
CHART NO. 7 -
CHART NO. 8 -
CHART NO. 9 -
CHART NO. 10 -
CHART NO. 11 -
CHART NO. 12 -
CHART NO. 13 -
CHART NO. 14 -
TABLE
A FLOWCHARTS ......................................................................................................
B DK24 CIRCUIT BREAKER DISTRIBUTION ..........................................................
C DK56 CIRCUIT BREAKER DISTRIBUTION ..........................................................
D DK96 CIRCUIT BREAKER DISTRIBUTION ..........................................................
E STATION CABLE CONTINUITY CHECK USING VOLTMETER (PEKU OR PESU) 5
F STATION CABLE CONTINUITY CHECK USING OHMMETER (PEKU OR PESU) 5
G STATION CABLE CONTINUITY CHECK USING VOLTMETER (PDKU) ...............
H STATION CABLE CONTINUITY CHECK USING OHMMETER (PDKU) ................
FIGURE
1 FLOWCHART SYMBOLS ......................................................................................
2 BACKPLANE CONNECTORS P1 (DK24), P1 & P4 (DK56/96) .............................
TABLE OF CONTENTS
SUBJECT
FAULT CLASSIFICATION .................................................
POWER FAULTS ...............................................................
STATION FAULTS .............................................................
KSU FAULTS ..................................................................... 11
CO LINE FAULTS .............................................................. 12
INTERCOM FAULTS ......................................................... 15
DSS CONSOLE FAULTS .................................................. 16
SPEED DIAL FAULTS ....................................................... 18
MOH, BGM, PAGE & RELAY FAULTS.............................. 19
SMDR FAULTS .................................................................. 21
PSTU FAULTS ................................................................... 22
DOOR PHONE FAULTS .................................................... 23
TIE LINE FAULTS .............................................................. 26
REMOTE MAINTENANCE/TTY FAULTS .......................... 27
TABLE LIST
TITLE
FIGURE LIST
TITLE
-i-
STRATA DK FAULT FINDING
SECTION 400-096-500
SEPTEMBER 1992
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