Energizing The Lbc-4000; Conv A And Conv B Led Indicators - Comtech EF Data LBC-4000 Installation And Operation Manual

L-band up/down converter system
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LBC-4000 L-Band Up/Down Converter System
Front Panel Operation
5.1.1

Energizing the LBC-4000

Chapter 2. INSTALLATION
Chapter 3. REAR PANELCONNECTIONS
 
 
 
5.1.2

CONV A and CONV B LED Indicators

 
 
 
The function of the LEDs is as follows: 
 
LED
SUM FAULT
MUTE
ONLINE
UP
DOWN
 
The prime power switch is mounted behind the front panel. To access the 
switch,  loosen  the  three  front  panel  thumb  screws,  slide  the  front  panel 
out from the chassis, and then drop down the panel.  
Prior to turning on power to the unit, check to ensure that installation is 
complete, and verify that the LBC‐4000 is connected to the proper prime 
power source, RF Input, and RF Output.  
Switch on the unit and verify that the cooling fan is operational, the LED 
indicators  illuminate  as  expected,  and  the  Vacuum  Fluorescent  Display  is 
readable.  
The operational state of the LBC‐4000 is represented by two sets  
of five front panel LED indicators – one set each for – CONV A and 
CONV B. 
STATE
WHEN LIT, THE DESIGNATED SIDE...
Red
...has active faults.
Amber
...is in Mute Mode.
Green
...is operational.
Green
...is operating as an Up Converter.
Green
...is operating as a Down Converter.
5–2
Revision 4
MN/LBC4000.IOM

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