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CONTENTS
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8. MAINTENANCE AND ALARMS
GENERIC 1 AND GENERIC 2 ISDN-PRI MAINTENANCE PHILOSOPHY
GENERIC 2 MAINTENANCE CAPABILITIES AND CONCERNS
Generic 2 Maintenance Procedures
Summary of Generic 2 Maintenance Capabilities
GENERIC 1 MAINTENANCE CAPABILITIES AND CONCERNS
Generic 1 Maintenance Procedures
Summary of Generic 1 Maintenance Capabilities
ALARMS
Circuit Pack Alarms
Facility Alarms
A. ADMINISTRATION REQUIREMENTS
B. SAMPLE INSTALLATION AND MAINTENANCE PROBLEMS
TRANSLATIONS-BASED PROBLEMS
TRUNKS AND TRUNK GROUPS
CDMs
CEMs
D4-Channel Banks
SYNCHRONIZATION-RELATED PROBLEMS
Loss of or No Synchronization
Leavenworth Loop
D4 Synchronization Problems
Digital CO Synchronization Problems
DACS
TYPICAL PHYSICAL INTERFACE CONNECTION PROBLEMS
Specific Cabling Options
System 85 DS1/DMI to System 85 DS1/DMI — Colocated Arrangement
System 85 DS1/DMI to System 75 DS1/DMI — Colocated Arrangement
System 85 DMI to Host Computer
System 85 DS1/DMI Direct to a NCTE
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A-1
B-1
B-1
B-3
B-5
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B-12
B-13
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