Specifications

4000326 Rev A Receivers 2-55
Troubleshoot Alarm Conditions
Introduction
The following troubleshooting information helps identify possible causes and
solutions to receiver alarm conditions.
Troubleshooting Alarms
If the red Alarm indicator is illuminated or blinking, check the ICIM display or the
appropriate LCI screen to determine the cause of the alarm.
Refer to the following table for troubleshooting assistance.
Alarm Status Possible Causes Possible Solutions
InPwr
• Optical power = > 1.5 dBm
or < -1.5 dBm
• Optical power = > 2.0 dBm,
< -2.0 dBm
Dirty or loose
connector, or low
input.
Check input source
and fiber.
MaxInPwr Optical input > 6.0 dBm
Dirty or loose
connector, or low
input.
Check input source
and fiber.
HybdCur
• Current = > 450 mA or
< 150 mA
• Current = > 500 mA or
< 50 mA
Internal problem.
Telephone the
Scientific-Atlanta
assistance center in
your area.
ModTemp
Module temp exceeds
-40.0°C to 70.0°C
Internal problem,
fan tray failure, or
ambient temperature
Telephone the
Scientific-Atlanta
assistance center in
your area.
Enable Unit disabled
Module disabled by
user.
Enable module.
PsOk Bus voltage status Internal problem.
Telephone the
Scientific-Atlanta
assistance center in
your area.