Figure 11-11. Dte With Test Pattern - ADTRAN DSU III ARdc User Manual

Interpreting Test Results
A BERT tester must be used to interpret the test results of a DTE Only
test.
DTE With Test Pattern
The DTE with TP (test pattern) test is similar to the DTE Only test
described previously except the test pattern is generated using the DSU/
CSU internal test pattern generator. This test can be used to detect defi-
ciencies within the internal drivers and receivers of the DSU III ARdc.
Figure 11-11 illustrates the loopback point and the data paths for this test.
Test Purpose
A DTE test using a test pattern is used for the following purposes:
•
•
Initiating
Follow the menu path outlined in Figure 11-12 to initiate a DTE Test
using a Test Pattern.
61200270L1-1
DTE
Error
Inject
Tx
Rx
Error
Clear

Figure 11-11. DTE with Test Pattern

Verify integrity of the DTE interface.
Verify integrity of connection between DTE and DSU III ARdc.
DSU III ARdc User Manual
Chapter 11. Testing and Troubleshooting
LOCAL
DSU/CSU
Test Pattern
Generator
Tx Tx
Rx Rx
Test Pattern
Detector
11-15