Figure 28. Bert Test Functions - Enter Test Timeout Option; Figure 29. Bert Inject Errors Screen - ADTRAN HDSL2 Installation And Maintenance Practice

Control Port Operation
Option 4, Enter Test Timeout from the BERT Test Screen displays the Timeout Screen
28). The time out can run for a specific duration by entering the hours and/or minutes, or can
run indefinitely by entering 00:00, as indicated by the note on the screen. With no test
running the Toggle Test Direction option from the BERT Test Screen allows the toggling of the
test signal in the opposite direction (from customer to network and vice versa).
Shelf: 1
Unacknowledged Alarms: None

Figure 28. BERT Test Functions - Enter Test Timeout Option

When option 1, (Re)start Pattern is selected to start the test, option 5 changes to Inject Bit
Errors. This option is used to display the screen shown in
of errors from this test origination point to validate the test results.
Shelf: 1
Unacknowledged Alarms: None
30
Slot: 18 Total Access System
Circuit ID:
CUSTOMER Timeout Screen
Test Timeout(Hr:Min) = 02:00
----------------------------
1. Change Timeout
*NOTE: When timeout is set to 00:00, the
test will run indefinitely.
Selection:
Slot: 14 Total Access System
Circuit ID:
BERT Test Screen
Test Results
----------------------------------------------------
Test Direction:
Unframed Pattern Generation: ON
Pattern:
Line Coding:
Bit Errors:
Bit Error Rate:
Pattern Sync:
Pattern Sync Losses:
Test Length (HH:MM:SS):
Time Elapsed (HH:MM:SS):
----------------------------------------------------
1. Number of Errors to Inject = 001 (Maximum=255)
2. Inject Bit Error
3. (Re)start
Selection:

Figure 29. BERT Inject Errors Screen

HDSL2 for General Distribution Installation and Maintenance Practice
Figure
Customer
2^23 Pattern
B8ZS
0000000
0.0E-05
ACQUIRED
000
02:00:00
00:02:32
03/01/05 09:29
29. This allows the insertion
03/01/05 09:29
61223HDSL2L2-5B
(Figure