5
o ●Green (Blinking):
This indicates a normal condition. Blinking green indicates the M9000 module is
synchronized to the IRIG time source within a tolerance of one microsecond.
o ●Red (Blinking):
This is an alarm condition and indicates one of two conditions:
▪ If the blue IRIG IN LEDs on the rear of the M9000 module (Figure 1-3) are ON, the
module is synchronized but to a tolerance greater than one microsecond
▪ If the blue IRIG IN LEDs on the rear of the M9000 module are OFF, the IRIG time
signal is not detected.
• COMMUNICATION
This LED indicates the status of the Ethernet communication between the M9000 module and the
Station-Master computer.
o ●Green:
This indicates a normal condition and indicates that communication with the Station-Master
computer is normal.
o ●Yellow:
This indicates an alarm condition. The network link is good, but communication with the
Station-Master database is down.
o ●Red:
This indicates an alarm condition. The network link to the Station-Master is down.
• POWER
This LED indicates the status of the M9000 module power supply voltages. These voltages have
preset factory limits and are not field changeable.
o ●Green:
This indicates a normal condition. All power supply voltages are good.
o ●Red:
This indicates an alarm condition. One or more of the six power supply voltages are out of
limits.
• DISK
This LED indicates the status of the M9000 module local storage.
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