Comtech EF Data LCS-4 - Manual (Page 58)

LCS-4 L-Band Combiner Switch Revision 1
Front Panel Control MN/LCS4.IOM
7.2.1 BUC C
ONTROL
The following controls the BUC power supplies and BUC 10 MHz reference.
Controls Description
BUC A Power Supply The BUC A power supply switch toggles the power supply from BUC A ON and OFF.
The associated LED will show the status of the power supply. The conditions of the
LED include: OFF, RED, GREEN, and FLASHING GREEN (see Table 7-1 for various
LED conditions).
BUC B Power Supply The BUC B power supply switch toggles the power supply from BUC B ON and OFF.
The associated LED will show the status of the power supply. The conditions of the
LED include: OFF, RED, GREEN, and FLASHING GREEN (see Table 7-1 for various
LED conditions).
BUC A Reference The BUC A reference switch toggles the 10 MHz reference for BUC A ON and OFF.
The associated LED will show the status of the reference. The conditions of the LED
include: OFF, RED, and GREEN (see Table 7-1 for various LED conditions). This
provides a 10 MHz reference delivered up the coax cable to the BUC for BUC’s that
require an external reference for locking the internal synthesizer.
BUC B Reference The BUC B reference switch toggles the 10 MHz reference for BUC A ON and OFF.
The associated LED will show the status of the reference. The conditions of the LED
include: OFF, RED, and GREEN (see Table 7-1 for various LED conditions). This
provides a 10 MHz reference delivered up the coax cable to the BUC for BUCs that
require an external reference for locking the internal synthesizer.
BUC Online The BUC ONLINE switch toggles the online unit between BUC A and BUC B. The
associated LED will show the ONLINE status of the BUC. The conditions of LED
include: OFF, RED, and GREEN (see Table 7-1 for various LED conditions).
7–2