STRATA DK FAULT FINDING
SECTION 100-816-500
MARCH 1993
TABLE OF CONTENTS
PARAGRAPH SUBJECT PAGE
1GENERAL .............................................................................................................. 1
2FAULT CLASSIFICATION...................................................................................... 1
3FAULT CLEARING PROCEDURES ...................................................................... 1
4DEFECTIVE APPARATUS RETURNS .................................................................. 2
5FAULT IDENTIFICATION AND ELIMINATION PROCEDURES ........................... 2
6DK8 HARDWARE FAULT ISOLATION.................................................................. 2
7DK16 HARDWARE FAULT ISOLATION................................................................ 4
8STATION CABLE CONTINUITY CHECK............................................................... 4
8.01 Voltmeter Test .................................................................................................... 4
8.10 Ohmmeter Test................................................................................................... 5
8.20 Cable Installation ................................................................................................ 5
9FAULT 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
AFLOWCHARTS ...................................................................................................... 1
BSTATION CABLE CONTINUITY CHECK USING VOLTMETER ........................... 6
CSTATION CABLE CONTINUITY CHECK USING OHMMETER ............................ 6
DSTATION CABLE CONTINUITY CHECK USING VOLTMETER ........................... 6
ESTATION CABLE CONTINUITY CHECK USING OHMMETER ............................ 6
FIGURE LIST
FIGURE TITLE PAGE
1FLOWCHART SYMBOLS ...................................................................................... 1
2QPSU8 DC VOLTAGE TEST................................................................................. 3
3KPSU16 DC VOLTAGE TEST ............................................................................... 3
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