363-206-285 Detailed Level Procedure: DLP-544
Issue 2, February 2000 Page 2 of 4
DDM-2000 OC-3 MULTIPLEXER
4. Use the SONET test set to test for error-free transmission.
5. Was the test successful (error free)?
If YES, then continue with Step 6.
If NO, then proceed to Step 15.
6. Is this first service being placed on the group and is protection circuit pack
installed?
If YES, then continue with Step 7.
If \f3NO\f1, then proceed to Step 11.
7. Unseat the service 22D-U/22G-U/22G2-U/22G3-U/22G4-U OLIU circuit pack
associated with the circuit under test.
8. Repeat the OC-3c transmission test with the SONET test set.
9. Was the test successful (error free)?
If YES, then continue with Step 10.
If NO, then proceed to Step 15.
10. Reseat the 22D-U/22G-U/22G2-U/22G3-U/22G4-U OLIU circuit pack
associated with the circuit under test.
11. The 22D-U/22G-U/22G2-U/22G3-U/22G4-U OLIU circuit pack under test has
passed the OC-3c transmission test. Remove the looping patch cords from the
cross-connections.
12. At the near-end (and the far-end) DDM-2000 OC-3 Multiplexer, momentarily
depress the UPD/INIT pushbutton on the SYSCTL to update the SYSCTL.
13. Repeat this procedure from Step 1 for any additional OC-3c circuits to be
tested.
14. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
15. Has the 22D-U/22G-U/22G2-U/22G3-U/22G4-U OLIU circuit pack that failed
been replaced?
If YES, then proceed to Step 18.
If NO, then continue with Step 16.
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