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
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
Changing Software
Turning Off the System Alarm Relay
on page 7-81