Comtech EF Data CD-MNLBC4000, Installation And Operation Manual

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LBC-4000 L-Band Up/Down Converter System MN/LBC4000.IOM
Introduction Revision 5
1–6
UP
Lights GREEN when the module is operating as an UP CONVERTER.
DOWN
Lights GREEN when the module is operating as a DOWN CONVERTER.
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.
Appendix A. UP/DOWN CONVERTER IDU MODULE REMOVAL / RE-
INSTALLATION
1.3.4 Rear Panel
Figure 1-5. Rear Panel View (Optional Redundant Chassis)
External cables are attached to sample point connectors located on the front
panel of the unit (Figure 1-5), and to the operational connectors located on the
rear panel of the unit (or Figure 1-6 ).