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Operation
------------------------------------------
[1] Network BPV:
[2] Network CRC:
[3] Network LAD:
[4] Cascade BPV:
[5] Cascade CRC:
-------------------------------------------
[6] Network BPV:
[7] Network CRC:
[8] Network LAD:
[9] Cascade BPV:
[a] Cascade CRC:
[b] Report all global
[0] RETURN TO PREVIOUS MENU
Figure 3-15
Diagnostics
The terminal interface SC 553 Diagnostics screen displays three groups of selections that
correspond to the three types of test: T1, Channel, and DS0. Each group includes a command
selection for starting its type of test. The screen also has a selection for setting how long tests run,
and one for specifying the timing source the DSU uses during tests.
When a test begins, the Diagnostics screen shown in
Results screen shown in
test procedure while it takes place and displays results at the end of procedures that employ self test.
Instructions for using the screens to perform tests appear in Chapter 4, Tests , together with
descriptions of the diagnostic functions.
3-20
ALARM THRESHOLD CONFIGURATION
ALARM
WINDOW
Report All
Report All
Report All
Report All
Report All
ALARM
THRESHOLD
>10
>10
>10
>10
>10
Select: [ ]
Alarm Threshold Configuration Screen
Figure
3-17. The Results screen permits you to monitor the progress of the
SpectraComm 553 Fractional T1 DSU
Installation and Operation Manual
Terminal Interface
Figure 3-16
is replaced by the Diagnostics
076R155-000
Issue 7
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