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Chapter 11. Testing and Troubleshooting
LOCAL
DSU/CSU
DTE
Tx
Tx
Tx
Rx
Rx
Rx
TELCO
DTE Loopback
Local 4-wire Loopback
Figure 11-5. DTE & Loop Test
Test Purpose
The DTE & Loop test is used for the following purposes:
•
Verify integrity of the DTE interface and cable.
•
Provide a loopback for network tests.
Initiating
Follow the menu path outlined in Figure 11-6 to initiate a DTE & LOOP
TEST.
1=DTE & LOOP (LL)
2=LOOP ONLY (RT)
3=DTE ONLY
4=DTE WITH TP
1=LOCAL UNIT
5=TEST PATTERN
6=SELF TEST
2=TEST
2=REMOTE UNIT
Figure 11-6. Initiating a DTE & Loop Test
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DSU III ARdc User Manual
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