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On-site Preparation for the Upgrade
Issue 9.1 June 2006 677
To check link status
1. Open a SAT session.
2. Enter display communication-interface links.
Note all administered links.
3. Enter status link number for each administered link.
4. Enter list signaling group.
Note the signaling groups listed by number.
5. For each of the signaling groups listed, enter status signaling group number.
Make a note (write down) of any links that are down.
To record all busyouts
1. At the SAT prompt, type display errors and press Enter.
2. Look for type 18 errors and record (write down) any trunks that are busied out — you will
return them to their busy-out state after the upgrade.
To disable scheduled maintenance
Scheduled daily maintenance must not interfere with the upgrade.
1. At the SAT prompt, type change system-parameters maintenance and press Enter.
2. If scheduled maintenance is in progress, set the Stop Time field to 1 minute after the
current time.
or,
If scheduled maintenance is not in progress, set the Start Time field to a time after the
upgrade will be completed.
For example, if you start the upgrade at 8:00 P.M. and the upgrade takes 90 minutes, set
the Start Time field to 21:30.
To check for translation corruption
1. At the SAT prompt, type newterm and press Enter.
2. Enter your terminal type and press Enter.
If you see the message,
Warning: Translation corruption found
follow the normal escalation procedure for translation corruption before continuing the
upgrade.