User's Guide

Table Of Contents
DRAFT
Page 4-14
17 Mar 2016
23-15-87
© Honeywell International Inc. Do not copy without express permission of Honeywell.
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-500 SDU and SCM
Figure 4-6. SATCOM Subsystem Bus Menu
Table 4-14 describes the information available on the SATCOM SUBSY BUS menu. Fields are left
blank if the equipment is not included in the installation.
NOTE: Input and output are with respect to the SDU.
F. RF Path Status
As shown in Figure 4-7, the SATCOM RF PATH menu reports the status of the RF paths.
Table 4-14 SATCOM SUBSY BUS Menu
Label Description Action
ANT Reports the status of the input and
output buses for the antenna as OK,
NO DATA, or FAIL.
If status is NO DATA, label 350 is missing—
check the bus connections.
If status is FAIL, check antenna bus status.
1 5 10 15 20 24
1
S ATCOM SUBSY B
U
S
1L
3
IN-TOP-OUT
3
1R
ANT
2L
5
OK / OK
5
2R
3L
7 7
3R
4L
9
<RE TURN
9
4R
DRAFT as of
4 Mar 2016