Lucent Technologies DDM-2000 OC-3, User & Service Manual

Page: 2175 / 2536

363-206-285 Detailed Level Procedure:
DLP-516
Issue 2, February 2000 Page 1 of 2
DDM-2000 OC-3 M
ULTIPLEXER
Check Local Office Alarms
1.
!
CAUTION:
This test will interrupt service if it is performed without a CIT. If done with
a CIT, this test can be performed on an in-service system.
NOTE:
It is assumed that you were sent here by another procedure to test the
DDM-2000 alarms.
Is a CIT available?
If YES, then continue with Step 2.
If NO, then proceed to Step 5.
2. Connect CIT to CIT connector on the User’s Panel.
3. NOTE:
The Commands and Reports section of this user’s manual under
TEST-ALM gives a description of the
test-alm:
command.
Use the
test-alm:
command to perform alarm tests. Note the audible and
visual alarm indications during the test.
4. Did the DDM-2000 pass the alarm tests?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then proceed to Step 17.
5. NOTE:
It is assumed that the DDM-2000 is powered and running with loops at
the low-speed cross-connections and that the high-speed terminations
are either looped on themselves or connected in an end-to-end looped
configuration. It is also assumed that protection circuit packs are installed
and that no alarms or other diagnostic indications are activated.
Unseat the circuit pack in FUNCTION UNITS group slot A-1, B-1, or C-1.
6. Wait 30 seconds.
7. Is the minor (MN) alarm activated?
If YES, then continue with Step 8.
If NO, then proceed to Step 16.