User's Guide
Table Of Contents
- Introduction
- System Description
- System Operation
- Testing and Fault Isolation
- Maintenance and Repair
- Appendix A: Return Material Authorization
DRAFT
Page 4-12
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 4-4. SATCOM Overtemp Menu
Table 4-12 describes the information available on the SATCOM OVERTEMP menu.
D. SCM Health
As shown in Figure 4-5, the SATCOM SCM menu reports the status of the communication buses
to the SCM and the status of the secure and user configuration tables.
Table 4-12 SATCOM OVERTEMP Menu
Label Description Action
SDU Reports the SDU thermal status
as OK or FAIL.
If the status is FAIL, check the fan operation and
temperature at the location of the equipment.
HGA Reports the HGA thermal status
as OK, NO DATA, or FAIL.
If the status is FAIL, check the fan operation and
temperature at the location of the equipment.
If the status is NO DATA, check data bus connection.
FMPA Reports the FMPA thermal status
as OK, NO DATA, or FAIL.
If the status is FAIL, check the fan operation and
temperature at the location of the equipment.
1 5 10 15 20 24
1
SATCOM OVERTEM
P
SDU
1L
3
OK
3
1R
ANT
2L
5
FAIL
5
2R
3L
7
7
3R
4L
9
<RE TURN
9
4R
DRAFT as of
4 Mar 2016