Comtech EF Data MDX420 SkyWire Manual - Manual (Page 32)

MDX420 SkyWire™ Satellite Network Gateway Front & Rear Panel Interfaces
MN-MDX420 Revision 6 4–2
4.2 Front Panel LED Status Indicators
Eight LEDs on the Front Panel (Refer to Table 4-1) indicate the status of operation. The LED colors
maintain a consistent meaning.
Table 4-1
LED Color Function
Demodulators LED Indicators 1 - 4
Off Indicates that the burst demodulator in this position is not
present in the gateway.
Signal Lock Green
(normal)
Indicates that the burst demodulator is locked to an incoming
carrier, including FEC synchronization.
Major Alarm Red Indicates that the burst demodulator is in an alarmed
condition and not locked to any carrier.
Minor Alarm Yellow Indicates that a burst demodulator warning condition exists.
Modulator LED Indicator
Transmit On Green
(normal)
Indicates that the burst modulator is ON and transmitting
without fault.
Major Alarm Red Indicates that the burst modulator is an alarmed condition
and the gateway is not transmitting.
Minor Alarm Yellow Indicates that a burst modulator warning condition exists.
Common LED Indicator
Off Indicates that the common alarm is not present.
Fault Red Indicates a problem in the gateway’s common circuitry, e.g.
the power supply or processor.
Test LED Indicator
Off Indicates a none test mode condition.
On Yellow Indicates there is a test mode running in the gateway.
Event LED Indicator
Off Indicates that the event is not present in the system
On Yellow Indicates one or more events have occurred in the gateway