7. Operation and Maintenance

TTrap Event Log on page 7-69Modem Operation on page 7-70

Activating the Modem PassThru Feature

Canceling Modem PassThru Operation

Manually Disconnecting the Modem

Verifying Modem Operation

ISDN DBM Operation on page 7-72

Forcing Backup (Disruptive)

Placing a Test Call (Nondisruptive)

Verifying ISDN Lines

Verifying That Backup Can Take Place FTP File Transfers on page 7-75

Upgrading System Software

Upgrading ISDN BRI DBM Software

Determining Whether a Download Is Completed

Changing Software

TChanging Software

Turning Off the System Alarm Relay on page 7-81

7-2

September 2002

9128-A2-GB20-80

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Paradyne CSU, DSU, 9126-II, 9128-II manual Operation and Maintenance