Comtech EF Data XTD-400C Operation And Installation Manual page 136

MNC-0000-041
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Figure 24, Ethernet Configuration
11. Refer to Figure 25. When two HPAs are configured for 1:1
Redundant operation, the Gain Balance Menu provides a means
of adding attenuation to the amplifier that has the most gain of
the two. When there is a failure of the online HPA, the output will
be the same when the backup HPA is Switched online.
Figure 25, Gain Balance Menu
12. Refer to Figure 26. The communications menu allows you to Use
Ethernet for M&C operation. If this option is selected, all M&C
operations are done solely over the Ethernet connection; RS232
and RS485 modes are not used.
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Operation Addendum, HPA Control Utility
Revision A