Comtech EF Data HPCST-5000 User Manual
Page 116
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Redundant System Installation
High-Power TWTA Satellite Terminals
3–32
Rev 1
Figure 3-11. EIA-232-C Pinouts
3.4.2.2 “X” Insert Panel Connectors
The connectors on the “X” insert panel are hard-wired to mating connectors on the
TWTAs.
3.4.2.2.1 Auxiliary Interface
The auxiliary interface connectors are DB 37 female connectors and are used as the
discrete interface between the controller and TWTAs. The auxiliary interface connectors
are labeled on the “X” insert panel as:
•
TWTA “A” auxiliary interface
•
TWTA “B” auxiliary interface
Note: Ensure that:
1. All cables from the TWTA “A” auxiliary connector go to the “X” insert panel
connectors marked TWTA “A”.
2. All cables from TWTA “B” go to the connectors marked TWTA “B”.
Pinouts for the TWTA auxiliary interface connectors are presented in the table below
and pictured in Figure 3-12.