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Ref – the word "Locked" along with a green background color
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indicates that the module's internal reference is locked to the
LO signal and that it has settled. If the internal reference is
unlocked, the word "Unlocked" is displayed and the back-
ground color turns red.
10 MHz Ref In – the word "Locked" along with a green back-
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ground color indicates that the module's internal reference is
locked to the external reference signal applied at REF IN. If
the internal reference is unlocked, the word "Unlocked" is dis-
played and the background color turns red.
Temperature – the temperature value that is displayed indicates the internal real-time ambient temperature
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of the module in degrees Celsius.
Voltage – the +12 V, +5 V, +3.3 V, and -12 V power supplies display as green when they are functioning
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and within tolerance.
Self Test – the word "Pass" along with a green background color indicates that the module's self test
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passed. If the self test fails, the word "Fail" is displayed and the background color turns red.
Serial # – the module's serial number is displayed.
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Front Panel LEDs
The front panel LED behavior is valid only when the soft front panel (SFP) is running or when the
Initialize function/method has been called, using the application programming interface (API).
LED
STATUS
ACCESS
Agilent M9302A PXI Local Oscillator Service Guide
High-Level Diagnostic Tools, Processes and References
Description
This LED indicates the overall health of the M9302A and is a summary of the fol-
lowing LEDs, covering the power supplies and other hardware operations. The
M9302A has extensive built-in-tests (BIT) and specific issues can be identified by
observing the status indicator on the front panel.
This LED has four possible states:
Green = Power supplies are operational and in specification. It also indi-
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cates that all module hardware is operational and a 10 MHz REF IN is con-
nected.
Amber = Power supplies are operational and in specification, but there
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may be a hardware failure.
Red = Power supply failure and a hardware failure or the 10 MHz REF in is
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absent.
Off = Power supply failure, but the other module hardware appears to be
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functional. Since a power supply failure can mask other hardware prob-
lems, this is not an indication that only a power supply could be at fault.
Each time the module is written to, or read from, this amber LED blinks.
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