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Comtech Xicom Technology XTD-750K - Page 41

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MNC-0300-036 3 of 26 Revision E
Unpacking and Installation
List of Figures
Number Title Page Number
Figure 1, Typical 4 Screw Mounting Flange Tightening Sequence . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 2, Typical 8 Screw Mounting Flange Tightening Sequence . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 3, Connector J2 Pinout for Standard Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 4, Digital M&C Connector Pin Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 5, A/B Amplifier select. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 6, RF Inhibit with Internal Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 7, RF Inhibit with External Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 8, RF Inhibit with Switch A opened . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 9, Waveguide Connector Pin Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 10, WG SW1 Position A Select Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 11, WG SW1 Position A Indicate Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 12, Sum Fault Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 13, Sum Fault Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 14, Waveguide SW1 RF Inhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 15, A/B Amplifier Select Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 16, Switching System in 1:1 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 17, Typical RS-485 2-Wire Duplex Implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 18, Typical RS-485 4-Wire Full Duplex Implementation . . . . . . . . . . . . . . . . . . . . . . . . . 24
EAR EXPORT CONTROLLED: The information contained in this Manual refers or relates to a product that is subject
to the U.S. Export Administration Regulations (EAR). Transfer of data herein by any means to a Foreign Person,
whether in the U.S. or abroad, may require an export license from the U.S. Department of Commerce.

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