Comtech EF Data LBC-4000 User Manual
Page 101
LBC-4000 L-Band Up/Down Converter System
Revision 4
Appendix B
MN/LBC4000.IOM
B–3
B.3
Redundancy Operations via the LBC-4000 Front Panel
You can configure, monitor, and control redundancy operation via the LBC‐4000 front panel,
using the keypad and display. Nested menus are used, which display all available options, and
prompt you to carry out a required action. Figure B‐3 identifies the key features of the LBC‐4000
front panel; see Chapter 5. FRONT PANEL OPERATION for in‐depth explanations of the function
and operation of this operational interface.
Feature Description
Function
See
Chapter
Section...
1 Rack
Handles
The handles allow quick installation into and removal of the
unit from an equipment rack.
2.2
2
Prime Power
Switch
The Prime Power Switch is located inside the front panel
rear panel. Loosen the thumbscrews, slide the front panel
out from the chassis, and then swing down.
3.3.2.3
5.1.1
3
Converter
LED Indicator
Group
The two groups of LEDs indicate, in a summary fashion, the
status of each converter.
5.1.2
4 Keypad
The keypad comprises six keyswitches behind a flat
membrane. Enter data via the keypad.
5.1.3
5
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, data, prompts, and messages
are displayed on the VFD.
5.1.4
Figure B-3. LBC-4000 Front Panel