
XMU+ Installation and Maintenance Guide rev.07 125
If XMU+ Is Not Answering
To perform an integrity check
The Integrity Check feature checks the configuration to ensure that all messages used
in a configuration are recorded.
1. Press Enter to access the Main Menu.
2. Press the Right Arrow to reach System on the Main
Menu, and press Enter.
3. Press the Right Arrow to reach Diagnostics, and press
Enter.
4. Press the Right Arrow to reach Integrity Check, and
press Enter. The XMU+ runs the integrity check.
5. If no error message is displayed, proceed to the next
troubleshooting task -To verify time and date.
6. If an error message is displayed:
Record it on paper, and press Enter to view the next
error. Repeat this step until you have reviewed and
recorded all errors.
Correct all errors appropriately.
To verify time and date
1. Review the time and date on the main display.
2. If the time and date are correct, proceed to the next troubleshooting task - To
verify timing between PBX and line cards.
3. If the time and date are incorrect, reset them. See To set time and date (from the
Front Panel) on page 96.
To verify timing between PBX and line cards
1. Ensure the PBX is configured correctly.
2. Identify the operating mode assigned to each line card. See The XMU+ Delivery
Checklist on page 21.
3. Review the appropriate timing diagrams. See About XMU+ Operating Modes on
page 68.
4. Ensure the PBX timing matches the timing on the diagrams.
5. If the timing is correct, proceed to the next troubleshooting task.
6. If the timing is incorrect, change the XMU+ operating mode. See To set line
card operating modes on page 102.
Komentáře k této Příručce