User Manual
AFIRS 228S Iridium Global Communications System Installation Manual
16 July 2014 L-3 Aviation Recorders Proprietary Page 53
165E5733-00 Rev. 03
• Iridium SATCOM System Status Indicators
System
Yellow = (INIT) initializing Green = OK
Yellow = FAULT Yellow (blank) = system is in Maintenance Mode
Red = SDU Configuration Module (SCM) or Satellite Data Unit (SDU) Hardware failure
or other critical error.
ISVM and ISDM LINK
Yellow = NO LINK, no Iridium link if CSQ (Channel Signal Quality) is 0-1
Green = OK, if CSQ is 2-5
GPS LINK
Yellow = NO FIX
Green = OK
ARINC Tab
• Displays the status of the 16 ARINC 429 RX channels.
• The status of a configured function is either ACTIVE (green) or FAULT (red).
• The ARINC 717 RX configuration is currently not used.
Discrete In Tab
• Displays the state of the 16 Discrete Inputs.
• The state of the configured functional input is either ACTIVE (green) or INACTIVE (blue).