Product specifications

61181113L2-5A Issue 1, November 2003 17
The BERT Test screen (Figure 20) is accessed by
selecting the associated number on the
Loopback and
Test menu
. A five-selection menu is at the bottom of the
screen. Press the “
1” key to start (or restart) a test, and
“
2” to manually stop the test.
NOTE
The BERT only runs unframed patterns.
When the BERT is running, option
5 changes
to “Inject Bit Errors”.
Selecting number “
3” from the BERT menu will allow
the user to select the appropriate data test pattern for the
desired results. Figure 21 shows this screen with the
menu of test patterns.
Figure 20. BERT Test Screen
Figure 21. Select Data Pattern
Shelf: 1 Slot: 18 Total Access System 10/28/03 08:59
Unacknowledged Alarms: MAJOR INFO
Circuit ID:
BERT Test Screen
Test Results
----------------------------------------------------
Test Direction: Customer
Unframed Pattern Generation: OFF
Pattern: QRSS Pattern
Line Coding: B8ZS
Bit Errors: 0000000
Bit Error Rate: 0.0E-08
Pattern Sync: N/A
Pattern Sync Losses: 000
Test Length (HH:MM:SS): 02:00:00
Time Elapsed (HH:MM:SS): 00:55:12
----------------------------------------------------
1. (Re)start Pattern
2. Stop Test
3. Select Data Pattern
4. Enter Test Timeout
5. Toggle Test Direction
Selection:
Shelf: 1 Slot: 18 Total Access System 10/28/03 08:59
Unacknowledged Alarms: MAJOR INFO
Circuit ID:
CUSTOMER Pattern Screen
Current Pattern = QRSS Pattern
--------------------------------------
1. 63 Pattern
2. 511 Pattern
3. 2047 Pattern
4. REV. 2047 Pattern
5. 2^15 Pattern
6. 2^20 Pattern
7. QRSS Pattern
8. 2^23 Pattern
Selection: