Axcera 79XITS-7045 Benutzerhandbuch
WaveCom Electronics Inc
MA4040D Manual; MAN1L0901 REV 13(0104)
Approved: D.P.
40
APPENDIX B - MA4040D REDUNDANCY DIAGRAMS
When configuring Module pairs for redundancy, the first module in a pair to have the Redundant Mode enabled
becomes the active (Primary) Module and its RF Output is automatically enabled. The second module becomes
the backup (Secondary) Module and its RF output is automatically disabled.
In the event of a failure of the Active Module, it will disable its RF output and notify the Backup Module to become
Active. When notified, the Backup Module will enable its RF output.
becomes the active (Primary) Module and its RF Output is automatically enabled. The second module becomes
the backup (Secondary) Module and its RF output is automatically disabled.
In the event of a failure of the Active Module, it will disable its RF output and notify the Backup Module to become
Active. When notified, the Backup Module will enable its RF output.
Switching Control Line
(located on backplane of MA4002D chassis)
IF
Input
RF
Output
UPCONVERTER
(Primary)
UPCONVERTER
(Secondary)
RF OUT
RF MON
IF IN
UPCONVERTER
WaveCom
MA4040D
-20dB
RF OUT
RF MON
IF IN
UPCONVERTER
WaveCom
MA4040D
-20dB
IF
Splitter
RF
Combiner