Figure B-3. Lbc-4000 Front Panel - Comtech EF Data MN/LBC4000.IOM Installation And Operation Manual

LBC-4000 L-Band Up/Down Converter System MN/LBC4000.IOM
Appendix B Revision 5

Figure B-3. LBC-4000 Front Panel

Item 1 – Rack Handles
These handles ease removal and replacement of the chassis into the user-
provided rack enclosure.
Item 2 – Available Power Switch
Use this switch, when installed, to turn power to the unit on or off.
Item 3 – 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'.
Item 4 – Vacuum Fluorescent Display (VFD)
The VFD is 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.
Item 5 – Keypad
The keypad comprises 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.
Item 6 – 'CONV A' IDU Module Bay
Item 7 – 'CONV B' IDU Module Bay
Each bay accepts one Up Converter or Down Converter IDU Module.
B–3