DLP-515: Detailed Level Procedure 363-206-285
Page 1 of 4 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
Perform End-to-End OC-3 or OC-12 Optical Line Test
1.
!
WARNING:
Unterminated optical connectors may emit invisible laser radiation. Avoid
direct exposure to the beam. Do not view beam with optical instruments.
Use of controls or adjustments or performance of procedures other than
those specified herein may result in hazardous radiation exposure.
NOTE:
This test is used in ring releases to verify the integrity of the OC-3 or
OC-12 fiber lines between two DDM-2000 OC-3 shelves and may be
performed with the DDM-2000 in service or out of service.
NOTE:
It is assumed that each DDM-2000 has passed the local (looped)
transmission tests and a CIT is available. If these tests have not been
completed, refer to the appropriate procedure and perform the tests.
NOTE:
This test must be performed locally at each shelf location associated with
the optical span(s) being tested. See Figure 1.
Figure 1 – End-to-End Optical Line Test Monitoring
2. At test location, connect CIT to User Panel CIT connector and establish
session.
Reference: DLP-521
3.
!
CAUTION:
The
init-pm:reg=all
command initializes (clears) all current day
and/or all current quarter-hour performance-monitoring storage registers.
DLP-521
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