EMS Technologies Canada Ltd. HSD-400 Manuale Utente

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Page 3–15
25 June 2008
EMS SATCOM
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-400 High-speed Data Terminal
Figure 3-6. User Data I/O Mode Configurations
C. ARINC 429 IRS Bus Interface
In Stand-Alone Mode installations, navigational information is provided to the HSD-400 
terminal through the high-speed ARINC 429 IRS bus interface. Refer to the System 
Description section of this manual for more information. The IRS bus connects through 
the top plug of the ARINC 600 connector to the HSD-400 terminal as follows:
IRS A to TP4J
IRS B to TP4K
D. Antenna Interface
The ARINC 741 antenna subsystem BSU is interconnected to the HSD-400 terminal as 
specified in Table 3-9.
 Table 3-9. HSD-400 Terminal to BSU Interconnects 
Signal Name
Signal Source
Signal Destination
HSD-400 
Terminal
Mechanical 
HGA
Phased-Array 
or Conformal 
HGA
HPA MUTE A 
Port BSU-G 
HSD-400 TP3A 
STBD BSU-G HSD-400 TP3C