User manual

Wide Bank 28 DS3 - Release 2.4 July 2004 7-41
Diagnostics & Troubleshooting
Testing DS3 Redundancy
DS3 Revertive Switching Test
1. Re-insert the primary Controller card.
2. Verify that no revertive switch-over occurs. There should be no prompt telling you of a switch
to the standby Controller, and Controller B should still be shown active.
3. Manually switch back to the primary Controller.
(B:Active)> switch
Switching control to Standby DS3 Controller
(A:Active)>
4. Remove the secondary Controller card (Controller card B).
5. Verify that the Wide Bank recognizes that the protection Controller card has been removed.
6. Verify that NO errors are encountered by the test set.