![](/images/new-backgrounds/1204480/204480195x1.webp)
Chapter 7. Test Menu
DBU Loopback (TSU 120e only)
ON Initiates a loopback from the DBU towards the external DCE
OFF Terminates the loopback test
DBU Test (TSU 120e only)
This selection is used to force a backup to occur even if a backup condition does not exist.
Test Name | What it does... |
|
|
TEST OFF | Turns off DBU tests |
|
|
FORCED | Forces a backup regardless of |
BACKUP | lockouts or network conditions |
|
|
INTERFACE | Causes the external DCE to dial its stored |
TEST | number. After the connection is established, |
| the DBU sends a test pattern to verify the |
| backup network. This test does not disrupt |
| data or the primary network. |
|
|
DBU DATA/CNTRL (TSU 120e only)
Allows status of DCD and RI to be monitored while the INTERFACE TST is on. If the
DBU TST RESULT (TSU 120e only)
When an interface test is active, this screen will show the total number of DATA BLOCKS received and the number of blocks with errors.
Port Test Menu Items for 0.2 DSX-1
Loopback
Loopback activates the loopback function on the base
Cancel Tests
Use this menu selection to deactivate all active tests, including tests on option modules.
TSU 120 User Manual |