9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. V-2-15
Table 2-3. IDU LED Alarm Triggers
LED Indication Possible Causes Recommended Action
IDU Status Orange
flashing:
Either:
• Configuration corrupt
• Configuration not supported
• Software loading
• Diagnostic mode selected
Where the cause is not obvious, use CT to see
detail at a lower alarm level.
Red: Either:
• IDU component failure
• Power supply failure
• Modulator not locked
• Demodulator not locked
• IDU cable demodulator not
locked
• Aux channel clock failure
Repair action is required. The failure may or
may not be causing traffic disruption. Use
CT to see detail at a lower alarm level.
ODU Status Orange
flashing:
Either:
• Diagnostic mode selected/active
• Software loading (new 9500
MXC software is being loaded)
Where cause is not obvious, use CT to see
detail at a lower alarm level.
Red: Either:
• ODU component failure
• ODU power supply failure or
current/voltages outside limits
• ODU communications failure
• Tx synthesizer not locked
• Transceiver Tx failure
• Tx power failure
• Tx If synthesizer not locked
• Tuner not locked
• ODU cable demodulator not
locked
Repair action is required. The failure may or
may not be causing traffic disruption. Use
CT to see detail at a lower alarm level.
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