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Start condition
Be sure the following start condition is fulfilled:
•
The procedure in section
“Preparation and test of the main unit” (p. 7-4)
must have
been performed and the test results are correct.
•
The ITM-CIT must be connected and logged-in to the E.
•
Test setup as shown in the figure above
Procedure
Proceed as follows to perform the PDH option card test:
...................................................................................................................................................................................................
1
Assign the installed option card.
...................................................................................................................................................................................................
2
If an X3E3DS3 option card is installed, then provision the TUG structure of CC1,1 to two
times TU-3.
...................................................................................................................................................................................................
3
Provision for each port of the option card tributary a cross-connection to LP1.
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4
Change the default Alarm Reporting/Severity settings of the applicable ES alarm from
reported “o” to “
Yes
”.
E1 option card:
E12cES (2 Mbit/s ot Expected Input Signal)
DS1 option card:
E11cES (1.5 Mbit/s ot Expected Input Signal)
E3 option card:
E31cES (34 Mbit/s ot Expected Input Signal)
DS3 option card:
E32cES (45 Mbit/s ot Expected Input Signal)
...................................................................................................................................................................................................
5
Set the PDH analyzer to the appropriate PDH bit rate (and line code) and select for 1.5 or
2 Mbit/s the 2
15 -1
PRBS
pattern, for all other bit-rates the 2
23 -1
PRBS
pattern. Connect the
PDH analyzer to the first option card tributary port. Start a BER test.
...................................................................................................................................................................................................
6
Monitor the analyzer for correct transmission. If a DDF is applied then check for bad
contacts of the installed cable by moving each separate cable gently (or tap on it with
your fingers) near the connector at both ends, while monitoring the analyzer for error free
transmission.
...................................................................................................................................................................................................
7
Display the raised alarm list on the ITM-CIT, and verify that the requirements mentioned
in the table below are met.
Stand-alone test procedures
PDH option card test
...................................................................................................................................................................................................................................
...................................................................................................................................................................................................................................
365-313-103R8.0
Issue 2
July 2009
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
7-13
Содержание 1645 AMC
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