Figure 11-5. Dte & Loop Test; Figure 11-6. Initiating A Dte & Loop Test - ADTRAN DSU III ARdc User Manual

DTE
Rx
Test Purpose
The DTE & Loop test is used for the following purposes:
•
•
Initiating
Follow the menu path outlined in Figure 11-6 to initiate a DTE & Loop
Test.
61200270L1-1
LOCAL
DSU/CSU
Tx Tx
Rx
DTE Loopback
Figure 11-5. DTE & Loop Test
Verify integrity of the DTE interface and cable.
Provide a loopback for network tests.
1=LOCAL UNIT
2=TEST 2=REMOTE UNIT
Figure 11-6. Initiating a DTE & Loop Test
DSU III ARdc User Manual
Chapter 11. Testing and Troubleshooting
Tx
TELCO
Rx
Local 4-wire Loopback
1=DTE & LOOP(LL)
2=LOOP ONLY (RT)
3=DTE ONLY
4=DTE WITH TP
5=TEST PATTERN
6=SELF TEST
11-11