4 led lights – Comtech EF Data DMD-2050E User Manual
Page 115

DMD2050E Universal Satellite Modem
User Interfaces
MN-DMD2050E Revision 2
4–3
Parameter Type
0 – 9
Clear &
Clear &
IP Address
Change Digit Increase Digit Decrease Digit
Move
left
Move
right
N/A
N/A
Text Strings
Change
Character
Increase
Character
Decrease
Character
Move
left
Move
right
Clears left of
cursor
inclusive
Clears right of
cursor inclusive
4.2.4 LED Lights
LED lights on the front panel show the status of the unit. The colors of the LEDs have these
meanings:
•
Green = normal operating condition
•
Yellow = incorrect operating condition
•
Red = fault condition that causes lost communications
Table 4-3. Front Panel LED Lights
LED
Color
Function
Modem LED Lights
Power
Green The unit is on.
Fault
Red
A hardware fault exists in the unit.
Event
Yellow The unit has an event stored in memory. Use the front panel or the terminal mode to
examine stored events.
Remote
Green The unit is in the process of updating firmware with FTP.
Modulator LED lights
Transmit On Green The transmitter is on.
Major Alarm Red
The transmit direction has failed and the transmitter is disabled.
Minor Alarm Yellow A transmit warning condition exists.
Test Mode
Yellow The transmitter is active in Test Mode.
Demodulator LED lights
Signal Lock Green The receiver is locked to an incoming carrier and data, including FEC Sync.
Major Alarm Red
The receive direction has failed and traffic is lost.
Minor Alarm Yellow A receive warning condition exists.
Test Mode
Yellow The receiver is active in Test Mode.