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STRATA DK FAULT FINDING
SECTION 100-816-500
MARCH 1993
TABLE OF CONTENTS
PARAGRAPH SUBJECT PAGE
1 GENERAL .............................................................................................................. 1
2 FAULT CLASSIFICATION...................................................................................... 1
3 FAULT CLEARING PROCEDURES ...................................................................... 1
4 DEFECTIVE APPARATUS RETURNS .................................................................. 2
5 FAULT IDENTIFICATION AND ELIMINATION PROCEDURES ........................... 2
6 DK8 HARDWARE FAULT ISOLATION .................................................................. 2
7 DK16 HARDWARE FAULT ISOLATION ................................................................ 4
8 STATION CABLE CONTINUITY CHECK............................................................... 4
8.01 Voltmeter Test .................................................................................................... 4
8.10 Ohmmeter Test................................................................................................... 5
8.20 Cable Installation ................................................................................................ 5
9 FAULT ISOLATION FLOWCHARTS...................................................................... 5
FLOWCHARTS ...................................................................................................... 7
CHART NO. 1 — FAULT CLASSIFICATION ................................................... 7
CHART NO. 2 — CATASTROPHIC FAULTS .................................................. 8
CHART NO. 3 — STATION DIAL TONE FAULTS........................................... 9
CHART NO. 4 — CO DIAL TONE FAULTS ..................................................... 10
CHART NO. 5 — DSS CONSOLE FAULTS .................................................... 11
CHART NO. 6 — VOICE MAIL/(EXTERNAL) AUTO ATTENDANT
FAULTS ............................................................................... 12
CHART NO. 7 — STATION MESSAGE DETAIL RECORDING
FAULTS ............................................................................... 13
CHART NO. 8 — REMOTE MAINTENANCE FAULTS.................................... 14
TABLE LIST
TABLE TITLE PAGE
A FLOWCHARTS ...................................................................................................... 1
B STATION CABLE CONTINUITY CHECK USING VOLTMETER ........................... 6
C STATION CABLE CONTINUITY CHECK USING OHMMETER ............................ 6
D STATION CABLE CONTINUITY CHECK USING VOLTMETER ........................... 6
E STATION CABLE CONTINUITY CHECK USING OHMMETER ............................ 6
FIGURE LIST
FIGURE TITLE PAGE
1 FLOWCHART SYMBOLS ...................................................................................... 1
2 QPSU8 DC VOLTAGE TEST ................................................................................. 3
3 KPSU16 DC VOLTAGE TEST ............................................................................... 3
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