Specifications

4000326 Rev A Receivers 2-45
Monitor Alarm Parameters Using the ICIM,
Continued
Monitoring Alarm Parameters
From the MAIN or SCROLL menus on the ICIM, navigate to the Prisma II Forward
Receiver MODULE menu. From the MODULE menu, press the
ALRM
key to display
the ALARMS menu.
The following table describes each receiver alarm parameter.
Parameter Meaning Alarm Condition Type Typical Range
Optical power = > 1.5 dBm or
< -1.5 dBm
Minor
InPwr
Optical
power level
Optical power = > 2.0 dBm,
< -2.0 dBm
Major
-20.0 dBm to 6.0 dBm
MaxInPwr
Maximum
optical input
power
Optical input > 6.0 dBm Major ± 0.5 dBm of nominal
Current = > .450 A or < .150 A Minor .150 A to .450 A
HybdCur
Hybrid
current
Current = > .500 A or < .050 A Major .050 A to .500 A
ModTemp
Module
temperature
Module temp exceeds –40.0°C to 90.0°C
Major
–40.0°C to 90.0°C
Enable
Receiver
enabled or
disabled
Unit disabled by user Major Enabled/disabled
PsOk Bus status Bus fault Major OK or Bus Fault
Alarm Threshold Values
Alarm threshold is the value at which an alarm is triggered. The alarm threshold
data for this module is shown below.
Parameter
Minor Low
Limit
Minor High
Limit
Major Low
Limit
Major High
Limit
Hysteresis
InPwr -1.5 dBm 1.5 dBm -2.0 dBm 2.0 dBm 1.0 dBm
MaxInPwr N/A N/A N/A N/A N/A
HybdCur .150 A .450 A .050 A .500 A .001 A
ModTemp
-20.0°C 80.0°C -40.0°C 90.0°C 0°C
Enable N/A N/A N/A N/A N/A
PsOk N/A N/A N/A N/A N/A