Dte With Test Pattern; Test Purpose; Figure 11-11.Dte With Test Pattern - ADTRAN DSU III AR User Manual

Chapter 11. Testing and Troubleshooting

DTE With Test Pattern

The DTE with TP (test pattern) test is similar to the DTE O
described previously except the test pattern is generated in the
DSU using the DSU/CSU internal test pattern generator. This test
can be used to detect deficiencies within the internal drivers and
receivers of the DSU III AR. 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:
•
•
11-18
DTE
Tx
Rx
Verify integrity of the DTE interface.
Verify integrity of connection between DTE and DSU III AR.
DSU III AR User Manual
LOCAL
DSU/CSU
Error Test Pattern
Inject Generator
DTE Tx
DTE Rx
Error Test Pattern
Clear Detector
Figure 11-11. DTE with Test Pattern
test
NLY
NET Tx
NET Rx
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