Comtech EF Data DT-4500-A Series - Manual (Page 70)

DT-4500-A Series Downconverters Revision 1
Front Panel Operation MN-DT4500A
5–2
prompt you to carry out a required action. The LEDs indicate, in a summary fashion, the status
of the unit.
5.1.1 Switch Power On (Rear Panel)
DT-4500-A AC Power Switch DT-4500-A DC Power Switch
(Standard) (Optional)
Prior to turning on power to the unit, check to ensure that installation is complete, and verify
that the DT-4500-A is connected to the proper prime power source, RF Input, and IF Output.
For more information, see Chapter 2. INSTALLATION and Chapter 3. REAR PANEL
CONNECTORS.
Switch on the unit and verify the cooling fan is operational, the LED indicators illuminate as
expected, and the Vacuum Fluorescent Display is readable.
5.1.2 LED Indicators
The following table defines the operational condition,
when lit, of the six front panel LED indicators:
LED Color Operational Condition (When Lit)
POWER ON Green Prime power is applied when the light is on.
OUTPUT ENABLE Yellow Transmit function operating when the light is on.
REMOTE Yellow In Remote Control Mode when the light is on.
ON LINE Yellow Operating on-line to transmit data when the light is on.
FAULT Red Fault condition exists when the light is on.
STORED FAULT Red Faults stored and logged when the light is on.