Comtech EF Data DT-4500 Series - Manual (Page 69)

DT4500 Series Down Converters MN/DT4500.IOM
Redundant System Operation Revision 1
51
Figure 31 depicts the front panel displays after power has been turned off on converter
#1. Note the on line LED is illuminated on the backup Converter. This indicates that the
backup is now providing the frequency translation in place of the online unit. As soon as
power is restored, converter #1 will come back online.
POWER ON
TRANSMIT
REMOTE
ON LINE
FAULT
STORED FAULT
STATUS
CONV-01-OFFSET=+00.00-DB
-ACTIVATE-BACKUP:-ACTIVE-
POWER ON
TRANSMIT
REMOTE
ON LINE
FAULT
STORED FAULT
STATUS
REDUNDANCY-CONFIG?-ON---
-CONVERTER-#-02---------
POWER ON
TRANSMIT
REMOTE
ON LINE
FAULT
STORED FAULT
STATUS
REDUNDANCY-CONFIG?-ON---
-CONVERTER-#-03--------- POWER ON
TRANSMIT
REMOTE
ON LINE
FAULT
STORED FAULT
STATUS
Figure 31. Converter #1 Being Backed Up