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Testing DIUs
Access Manager 2000 User Manual
8-59
After the results have been viewed if no (0) time is remaining.
When the system is shutdown and restarted again.
When more than 13 tests are running concurrently, only the last
13 test entries are retained.
12. Press to return to the Select Test Activity screen.
13. If the configuration was changed in order to run this test, restore
your configuration now
Testing DIUs
You can also use Access Manager to perform end-to-end tests on a data
port of a DIU 2130 in an Access System 2000 node. The following tests
options are available for DIUs:
You can apply a pseudo-random bit sequence (PRBS) test signal on a
data port under test. This four-bit pattern can be used to check circuit
continuity on an end-to-end basis.
Sending a test signal
To apply a PRBS test signal to a data port of a DIU 2130 (DIU 1130):
1. When you get the On-line Access sub-menu, select the Select
Test option.
2. Select the DIU to apply the PRBS by entering its shelf and plug-in
slot numbers and pressing . A Select DIU Test Activity screen
appears.
3. Choose the Send Test Pattern option in the Select DIU Test
Activity screen by typing A or highlighting this option and pressing
.
F2
F5
Enter
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