Comtech EF Data MM200 - Manual (Page 27)

MM200 High-Speed Microwave Modem User Interfaces
TM086 - Rev. 4.1 4-3
4.1.4 Front Panel LED Indicators
There are 12 LEDs on the MM200 front panel to indicate the status of the MM200’s operation
(refer to Table 4-3). The LED colors maintain a consistent meaning. Green signifies that the
indication is appropriate for normal operation, Yellow means that there is a condition not proper
for normal operation, and Red indicates a fault condition that will result in lost communications.
Table 4-3
LED Color Function
Transmit On Green Indicates the MM200 Transmitter is turned on.
Major Alarm Red Indicates that the transmit direction has failed, losing traffic.
Minor Alarm Yellow Indicates a transmit warning condition exists.
Test Mode Yellow Indicates the modulator is involved in a current test mode
activity.
Signal Lock Green Indicates the modem has received a signal and is locked
Major Alarm Red Receive direction failed.
Minor Alarm Yellow Receive learning condition.
Test Mode Yellow Indicates the modem is involved in a current test mode
activity.
Power Green Indicates the MM200 unit is currently powered-up.
Fault Red Indicates a general equipment fault.
Event Yellow Indicates that a new event has been logged into the Event
Buffer.
Remote Green Indicates that the unit is set to respond to the remote control
or terminal input.
4.1.5 Parameter Setup
Use the four arrow keys, to navigate the menu tree and select the parameter to be set. After
arriving at a parameter that needs to be modified, depress . The first space of the
modifiable parameter highlights (blinks) and is ready for a new parameter to be entered. After
entering the new parameter using the keypad, depress to lock in the new parameter. If
a change needs to be made prior to pressing , depress and the display
defaults back to the original parameter. Depress again and re-enter the new
parameters followed by .
Following a valid input, the MM200 will place the new setting into the nonvolatile EEPROM making
it available immediately and available the next time the unit is powered-up.