7. Operation and Maintenance
7-2
September 2002 9128-A2-GB20-80
Trap Event Log
on page 7-69
Modem Operation
on page 7-70
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Activating the Modem PassThru Feature
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Canceling Modem PassThru Operation
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Manually Disconnecting the Modem
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Verifying Modem Operation
ISDN DBM Operation
on page 7-72
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Forcing Backup (Disruptive)
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Placing a Test Call (Nondisruptive)
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Verifying ISDN Lines
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Verifying That Backup Can Take Place
FTP File Transfers
on page 7-75
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Upgrading System Software
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Upgrading ISDN BRI DBM Software
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Determining Whether a Download Is Completed
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Changing Software
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Changing Software
Turning Off the System Alarm Relay
on page 7-81