User's Manual

Page 3–38
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
Figure 3–12. User Data I/O Mode Configurations – Combined/Selective
(g) ARINC 429 IRS Bus Interface – Combined/Selective
In HCM Combined Mode and Selective Mode installations, navigational
information (refer to
"System Description" on page 1-1 for details) is provided to
the HSD through the high-speed ARINC 429 IRS bus interface. The IRS bus
connects through the top plug of the ARINC 600 connector to the HSD as follows:
• IRS A to TP4J
• IRS B to TP4K
(h) Antenna Interface – Combined/Selective
The SATCOM Aero H/H+ system provides the interface to the antenna. Refer to
Honeywell documentation for specific details.
(i) RF Splitter Installation – Combined/Selective
Refer to the Interconnection Diagrams for cabling details. Refer to Table 3–19
for a list of the required cable assembly parts. Substitutions using different parts
of equivalent functionality are acceptable.
Note: Before installing the RF splitter, read all of the steps included in the
following splitter installation procedure.
Note: Actual splitter mounting location may vary depending on the placement of
the existing RFU and HPA assemblies.