LBC-4000 L-Band Up/Down Converter System
Revision 6
Front Panel Operation
6–3
MN-LBC-4000
6.2.1 LBC-4000-ST Front Panel
Figure 6-2. LBC-4000-ST Front Panel
Item
Name
Desription
1
Rack Handles
Used to easily remove and replace the chassis into the user-provided
rack enclosure.
2
IF Sample Connector
Provides a sample (nominally 20 dBc down) of the signals present.
3
RF Sample Connector
Provides a sample (nominally 20 dBc down) of the signals present.
4
Vacuum Fluorescent Display
(VDF)
An active display showing two lines of 24 characters each. It produces
a blue light with adjustable brightness. Nested menus display all
available options and prompt you to carry out a required action.
3
Light Emitting Diode (LED)
Indicators
The operational state of the LBC
‐
4000 is represented by two sets of
five front panel Light-Emitting Diode (LED) indicators – one set each for
‘CONV A’ and ‘CONV B’. Each set of LEDs convey operational states
as follows:
Sum Fault: Lights RED when a fault condition has been logged and
stored.
Mute: Lights AMBER when the unit is in Mute Mode.
Online: Lights GREEN when the unit is online and carrying traffic.
Up: Lights GREEN when the module is operating as an Up
Converter.
Down: Lights GREEN when the module is operating as a Down
Converter.
5
Keypad
Comprised of six keyswitches behind a flat membrane. The keys have a
positive ‘click’ action that provides tactile feedback. Enter data via the
keypad. Data, prompts, and messages are displayed on the VFD.
6
CONV A IDU Module Bay
Module bay accepts one Up Converter or Down Converter IDU Module.
