ADTRAN 25 manual Routine Maintenance, Error LOG, Error Messages

ROUTINE MAINTENANCE

Reseating and Replacing Circuit Packs

Removing and Restoring Power

Restarting the System

ERROR LOG

Accessing the Error Log From the SAT

ERROR MESSAGES

Clearing System-Detected Troubles

Complete System Failure

Common Control Trouble

Circuit Pack Trouble

Frontplane Ribbon Connector Trouble (Release 1

O n l y )

Power Supply Trouble

Power Supply Protection

Power Supply Replacement

Fan Assembly Trouble

Overheating Trouble

Backplane and Cabinet Trouble

Emergency Transfer Unit Trouble

CLEARING USER-DETECTED TROUBLES

Administration Equipment Troubles

Time-Keeping Troubles

Voice Terminal and Wiring Troubles

Voice Transmission Troubles

7300H Series Terminal Troubles

Virtual Facilities Troubles

Trunk Troubles

Outgoing Trunk Problems

Incoming Trunk Problems

Error Log Interpretation: Loop-Start Trunks

Error Log Interpretation: Ground-Start Trunks

DID Trunks Troubles

Switched Loop Attendant Console Troubles Special Port Circuit Options for Stations and Trunks Data Line Troubles

Multiple Troubles or Trouble That Cannot Be Diagnosed

4-20

4-20

4-22

4-23

4-27

4-30

4-32

4-61

4-61

4-61

4-63

4-64

4-64

4-69

4-70

4-71

4-72

4-72

4-80

4-81

4-81

4-82

4-82

4-83

4-84

4-85

4-89

4-89

4-90

4-90

4-91

4-92

4-93

4-99

4-100

4-102

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