User Manual Part 3

Page 3-46
16 Sep 2015
23-15-29
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
JetWave™ System
© Honeywell International Inc. Do not copy without express permission of Honeywell.
• For every ARINC 429 label the LRU understands, it records the status: DISABLED,
UNKNOWN (default after power on), ACTIVE, SSMERROR, MISSING. It also
records if the label is causing a mute of the system.
• For every input discrete the LRU possesses, it records the status: ASSERTED,
DEASSERTED.
• The LRU maintains in memory the reason, if any, for muting.
B. LRU Codes
BITE event information is encoded by the LRUs in three values. The values are named L1 thru L3:
• L1 denotes the LRU or interface (generated by an LRU on its behalf) which is generating the
event
• L2 denotes the Shop Replaceable Module within an LRU for a event relating to an LRU, or for
interfaces it denotes an particular part of the interface which is generating the event.
• L3 further defines the unique event that occurred.
Each fault or event also has an additional text field which can carry additional information helpful to
understand the fault or event that happened.
The combination of L1 thru L3 alone uniquely identifies a BITE event in the system.
C. L1 Codes
(1) The event L1 code uses two hexadecimal digits to identify a LRU or an interface within an
AES LRU, coded as follows:
Table 3-15. L1 Codes
Group L1 Code L1 Description
System 0x 00 System
The L1 code of 00 shall be used if
the LRU is unknown or if the error
is applicable to a system level,
such as an invalid or unknown
system configuration error, or a
system event not specific to an
LRU.
AES 0x 01 Modman
0x 02 KRFU
0x 03 TMA
0x 04 FMA
0x 05 APM
0x 06 KANDU