User's Manual
Table Of Contents
- Cover
- 1-Welcome Letter
- 2-Table of Contents
- 3-Contacts
- 4-Quick Start Guide Rev 2
- 5-SIM Registration
- 6-Installation and Operations Rev 2
- 7-Component Maintenance Manual Rev 1
- SERVICE BULLETIN LIST
- RECORD OF CHANGES
- RECORD OF REVISIONS
- LIST OF EFFECTIVE PAGES
- LIST OF EFFECTIVE PAGES
- INTRODUCTION
- DESCRIPTION AND OPERATION
- TESTING AND TROUBLESHOOTING
- DISASSEMBLY
- CLEANING
- CHECK
- REPAIR
- ASSEMBLY
- FITS AND CLEARANCES
- SPECIAL TOOLS, FIXTURES AND EQUIPMENT
- ILLUSTRATED PARTS LIST
Fault Name BIT Check Raise Fault/Failure Condition
Clear Fault/Failure
Condition
System ISVM ISDM GPS Operable SDU SCM
CONFIG FAIL
Configuration
Table Failure
The “Configuration Table Failure”
will be raised if the system is
unable to read or write the
Configuration Data stored in the
memory
The “Configuration Table
Failure” cannot be cleared
once raised.
No N/A N/A
Critical Error. Verify ICT and
ORT files in MUI. If files are
valid for A/C, replace SDU.
CONFIG
FAULT
SCM
Compatibility
Fault
The “SCM Compatibility Fault” will
be raised if the SDU software load
is not compatible with the valid
Configuration Data stored in the
SC
The “SCM Compatibility
Fault” cannot be cleared
once raised.
No N/A N/A
Transition to Configuration
Invalid State. Verify
software load in MUI.
Fault Light
Discrete Output
ON OFF
L-3 Iridium SATCOM System - Built-in Test and Fault Indicators
DATA CHECKS
Front Panel LEDs MCDU Indicators
Indicator Description
LED Off
Operational,
No Failure/Fault
Critical Failure
Fault/Event
Comment
NVM FAIL
NR-NVM
Failure
The “NR-NVM Failure” will be
raised if missing or not detected,
does not initialize or is judged to be
defective.
The “NR-NVM Failure”
cannot be cleared once
raised.
Yes FAIL OK Internal memory failure.
FLASH CARD
FAULT
Flash card
status
Flash card removed or can not be
read
Flash card inserted and can
be read.
Yes FAIL OK
Verify flash card is inserted
and can be read.
L‐3AviationRecordersProprietary