Alcatel-Lucent 1850 TSS-320 Turn-Up And Commissioning Manual page 44

Tests and Measurements
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By means of CT applications program the Laser-forced-ON on the optical port under test
(see Chapter
PTx power test
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1
Connect power meter to the optical port output being tested.
Check LOS alarm on Error Detector.
•
Check that the optical power is within the range stated on the table reported in
•
4, "SFP and XFP modules optical characteristics" (p.
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2
Switch off the LASER as specified in
OFF then ON" (p.
Program ALS Enabling port [see
•
OFF then ON" (p.
– Check that the LASER power is null.
– Check if the Tx optical power is null.
Repeat the test on each optical unit.
•
Preset the instrument to transmit a signal (based on the type of port used) with the
•
following requirements:
Bit rate
Code/interface (SFP)
Type
E O
N D
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TL1 Procedure
By means of CT applications program the ALS-enabling on the looped optical port (see
Chapter
By means of CT applications program the laser-forced-ON on the optical port under test
(see Chapter
............................................................................................................................................................................................................................................................
3 - 1 8
4, "Standard procedures to turn the laser OFF then ON" (p.
4-14).
4-14)].
If the "ALS Automatic Restart" option is enabled, check if a power reset is
attempted after approximately 0 seconds. This condition must last approximately 2
seconds.
If these conditions do not occur, replace the optical unit under test.
155520 kbit/s
S-1.1, L-1.1, L-1.2
OC-3 optical
S
F T E P S
4, "Standard procedures to turn the laser OFF then ON" (p.
4, "Standard procedures to turn the laser OFF then ON" (p.
Local testing and operating sequence
4-16).
Chapter 4, "Standard procedures to turn the laser
Chapter 4, "Standard procedures to turn the laser
See Chapter 4
optical characteristics" (p.
4-14).
Chapter
,
"SFP and XFP modules
4-16).
4-14).
4-14).
PN 8DG08136CAAA
Issue 1 March 2008