Comtech EF Data DT-4500-A Series - Manual (Page 150)

DT-4500-A Series Downconverters Revision 0
Appendix B MN-DT4500A
B–10
Figure B-11 depicts the front panel displays after power has been turned off on Downconverter
#1. Note the ON LINE LED is illuminated on the backup downconverter. This indicates that the
backup is now providing the frequency translation in place of the online unit. As soon as power
is restored, Downconverter #1 will come back online.
Figure B-11. Backup of Downconverter #1