Cisco GoQAM Technical Information Seite 288

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Appendix C
Module Parameter Descriptions
264 4025561
Rev
A
Alarm Function
Major
Low
Threshold
Minor
Low
Threshold
Minor
High
Threshold
Major
High
Threshold
Hys-
teresis
Typical
Range/
Nom.
Value
LasBiasA Laser bias
current A [1]
-8.0 -8.0 -0.1 -0.01 0.001 3.7 to 5.0
A [3]
LasBiasB Laser bias
current B [1]
-8.0 -8.0 -0.1 -0.01 0.001 3.7 to 5.0
A [3]
Note:
[1] This alarm threshold value is relative to the nominal alarm value.
[2] This value depends on the post-amplifier type minus the SetAtten control
value. See Post-Amplifier Nominal Alarm Values (on page
263) for possible
types and values.
[3] This value is set in manufacturing based on the characteristics of the laser
diode, and may vary from module to module.
Post-Amplifier Module Alarm Parameters
Module alarms are set at the factory and may not be adjusted by the user. The
module alarm data for this module is shown below.
Alarm Function
Major
Low
Threshold
Minor
Low
Threshold
Minor
High
Threshold
Major
High
Threshold
Hys-
teresis
Typical
Range/
Nom.
Value
LasTempA Laser A
temperature
[1]
-35.0 -30.0 45.0 50.0 1.0 25.0°C
LasTempB Laser B
temperature
[1]
-35.0 -30.0 45.0 50.0 1.0 25.0°C
Enable Module ON
or OFF [2]
na na na na na OK or
Fault [3]
IntPs Internal
power
supplies [2]
na na na na na OK or
Fault
PsOk Bus input
voltage [2]
na na na na na OK or
Fault
ServiceA Service
mode A
na na na na na OK or
Fault [4]
Seitenansicht 287
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