Operating instructions
DMD20/DMD20 LBST Universal Satellite Modem User Interfaces
TM103 – Rev. 2.8 4-3
Date/ Time Changes Digit N/A N/A Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
N/A N/A
IP Address Changes Digit Increments
Digit Value
Decrements
Digit Value
Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
N/A N/A
Text Strings Changes
Character
Increments
Character
Value
Decrements
Character
Value
Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
Clears to
Left of
Cursor
Inclusive
Clears to
Right of
Cursor
Inclusive
4.1.4 Front Panel LED Indicators
Twelve LEDs on the Front Panel (Refer to Table 4-3) indicate the status of operation. 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
Modem LED Indicators
Power Green Indicates that the unit is turned on.
Fault Red Indicates a hardware fault for the unit.
Event Yellow Indicates that a condition or event has occurred that the
modem has stored in memory. The events may be viewed
from the Front Panel or in the Terminal Mode.
Remote Green Indicates that the unit is in the process of updating firmware
with FTP or flashing indicates some features are demo
enabled.
Modulator LED Indicators
Transmit On Green Indicates that the transmitter is on.
Major Alarm Red Indicates that the Transmit Direction has failed, losing traffic.
Minor Alarm Yellow Indicates that a Transmit Warning Condition exists.
Test Mode Yellow Indicates that the transmitter is involved in a current Test
Mode activity.
Demodulator LED Indicators
Signal Lock Green Indicates that the receiver locked to an incoming carrier and
data, including FEC Sync.
Major Alarm Red Indicates that the Receive Direction has failed, losing traffic.
Minor Alarm Yellow Indicates that a Receive Warning Condition exists.
Test Mode Yellow Indicates that the receiver is involved in a current Test Mode
activity.