X.21 option card test
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Overview
This test verifies whether the installation of the X.21 optical option card is done
correctly and the proper function by testing each port.
Estimated duration
10 minutes.
Remarks
This test is only applicable for the 1643 AM/AMS NEs with two line ports (S12, S42,
L12 and L42). For terminal configurations (S11, S41, L11 and L41) the procedure
written in section “PDH option card test” (p. 7-13) need to be followed, with the
exception that the PDH analyzer needs to be replaced by an X.21 analyzer, and the
X21cNES alarm must be set to
Reported.
Test setup
The following figure illustrates a possible test setup.
Remark: See note 3 in section “Test equipment and accessories” (p. 7-3).
Note: For a long haul laser (L12 or L42) a 10 dB attenuator with applicable connector
is required in the loop.
Start condition
Be sure the following start condition is fulfilled:
• The procedure in section “Preparation and test of the main unit” (p. 7-6) must have
been performed and the test results are correct.
• The ITM-CIT must be connected and logged-in to the NE.
• Test setup as shown in the figure above.
Figure 7-5 X.21 option card test
AM/AMS
TP1.1
TP1.2
LP1.1
LP2.1
X.21 Option
Card
TP1.3
TP1.4
See Remark
below the
Figure
Stand-alone test procedures
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365-312-802R7.2
Issue 4, June 2007
Alcatel-Lucent - Proprietary
See notice on first page
7-19
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