Specifications

1-112 Transmitters 4000326 Rev A
Monitor Alarm Parameters Using LCI,
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Monitoring Alarm Parameters
To monitor the alarms, navigate to the Module Details window of the transmitter (in
the LCI module tree). The alarms are shown under the Parameters and Alarms
headings.
The following table describes each transmitter alarm parameter.
Parameter Typical Range Possible Solutions to Alarm
Laser Bias 50 to 100 mA
Internal problem.
Telephone the Scientific-Atlanta
assistance center in your area for
assistance.
Laser Temperature 20.0°C to 35.0°C
Module Temperature -40.0°C to 85.0°C
Check fan tray.
Modulator Bias -5 V to +5V
2 GHz SBS Power 10 to 400
6 GHz SBS Power 10 to 400
Internal problem.
Telephone the Scientific-Atlanta
assistance center in your area for
assistance.
RF Input 0.0 dB Check RF source and cable.
Output Power ±0.5 dBm of nominal
-5V Supply Voltage -5 V high or low
-12V Supply Voltage -12 V high or low
+12V Supply Voltage +12 V high or low
Internal problem.
Telephone the Scientific-Atlanta
assistance center in your area for
assistance.
Power Supply Status Fault
Check module seating and chassis
power supply.
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