*
IC -intercabinet

*
IDG -integrated drive generator

*
ILS -instrument landing system

*
IMM -intermodule memory

*
I/O -input/output

*
IOC -input/output controller

*
IOM -input/output module

*
IRS -inertial reference system

*
ISSP -instrument source select panel

*
LRM -line replaceable module

*
LRU -line replaceable unit

*
MAT -maintenance access terminal

*
MB -marker beacon

*
MCP -mode control panel

*
MEC -main equipment center

*
MFD -multi-function display

*
MGSCU -main gear steering control unit

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Page 3 D633W101-BEJ Sep 05/2002

AIRPLANE INFORMATION MANAGEMENT SYSTEM -INTRODUCTION

*
MMR -multi-mode receiver

*
MTF -maintenance terminal function

*
nav -navigation

*
ND -navigation display

*
NVM -non-volatile memory

*
QAR -quick access recorder

*
OPAS -overhead panel ARINC 629 system

*
OPBC -overhead panel bus controller

*
OPC -operational program configuration file

*
OPS -operational program software

*
PA/CI -passenger address/cabin interphone

*
PDF -primary display function

*
PDS -primary display system

*
PFC -primary flight computer

*
PFD -primary flight display

*
PMAT -portable maintenance access terminal

*
PMP -power management panel

*
pos -position

*
PSEU -proximity sensor electronics unit

*
RA -radio altitude

*
ref -reference

*
RLS -remote light sensor

*
RT -receiver-transmitter

*
SAARU -secondary attitude air data reference unit

*
SATCOM -satellite communications

*
SDU -satellite data unit

*
SELCAL -selective calling

*
SPD -speed

*
SRAM -static random access memory

*
std -standard

*
TAI -thermal anti-ice

*
TAS -true airspeed

*
TCAS -traffic alert and collision avoidance system

*
temp -temperature

*
TMCF -thrust management computing function

*
TMCS -thrust management computing system

*
TO/GA -takeoff/go-around

*
TPMU -tire pressure monitor unit

*
UTC -universal time (coordinated)

*
UTCF -universal time (coordinated) function

*
VHF -very high frequency

*
vib -vibration

*
VOR -VHF omnidirectional ranging

*
WAI -wing anti-ice

*
WES -warning electronic system

*
WEU -warning electronic unit

*
WOW -weight-on-wheels

*
WXR -weather radar

*
xmsm -transmission

*
xmtr -transmitter

EFFECTIVITY BEJ ALL  31-41-00 
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D633W101-BEJ  Sep 05/2002 

AIRPLANE INFORMATION MANAGEMENT SYSTEM -INTRODUCTION

EFFECTIVITY BEJ ALL  31-41-00 
Page 5 
D633W101-BEJ  Jan 05/2002 

AIMS -GENERAL DESCRIPTION -1

AIMS Cabinets
The AIMS has two cabinets which do the calculations for other avionic systems. To do these calculations, each AIMS cabinet has these:
*
A cabinet chassis

*
Four Input/output modules (IOM)

*
Four Core processor modules (CPM).

The IOMs and the CPMs are in the cabinet chassis. The chassis also has a backplane data bus and a backplane power bus to distribute data and power to the IOMs and CPMs.
The input/output module (IOM) transfers data between the software functions in the AIMS CPMs and external signal sources.
The CPMs supply the software and hardware to do the calculations for several avionic systems. The software is called functions. To keep a necessary separation between the functions, each function is partitioned. The partitions permit multiple functions to use the same hardware and be in the same CPM.
These are the four types of CPMs:
*
CPM/Communication (CPM/Comm)

*
CPM/Airplane condition monitoring function (CPM/ACMF) (left AIMS cabinet only)

*
CPM/Basic (right AIMS cabinet only)

*
CPM/Graphics generator (CPM/GG).

CPM Functions
These are the software functions in the CPM/Comm:
*
Data conversion gateway function (DCGF)

*
Central maintenance computing function (CMCF)

*
Data communication management function (DCMF)

*
Flight deck communication function (FDCF)
　
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