7.3.2Test Screen
The Test option facilitates testing and maintenance by allowing you to monitor and set the status of the analog interface leads, and to monitor or set the value of the A, B, C, and D signaling bits of all E&M circuits on that port. In
Figure 7-8 shows the E&M port Test Screen parameters,Table 7-3 lists some actions you can perform from this screen, and Table 7-4 shows the settings for each parameter.
Figure 7-8. Typical E&M port Test Screen
Note: The above screen shows the ABCD bits as sent by the Tx and Rx sides. The “c” indicated on ports 3 and 4 indicate that the bits displayed will then be run through the TABS conversion table as seen in Table
Table 7-3. Test Screen Actions
Action | Function |
|
|
Save | Saves changes to settings. |
Undo | Returns all settings to the last saved state. |
Refresh | Updates certain |
| updated (i.e. performance and test data). |
|
|
Main | Returns to the E&M port Main Screen. If changes are made to settings and |
| not saved, you will be prompted to save or lose changes. |
|
|
Table 7-4. Test Screen Option Settings and Defaults
| Parameter |
|
| User Options | Default |
|
|
|
|
|
|
TEST |
| off | on |
| off |
Tx ABCD |
| mon | set |
| mon |
E&M Ports |