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CMCS-7000
Central Maintenance Computer System

DESCRIPTION

The CMCS-7000, in conjunction with the Multipurpose Control and Display Unit (MCDU), the Integrated Display System (IDS) and the Multi-Input Cockpit Printer, provides a central point for maintenance functions including: flight deck initiation and display of individual subsystem bite and functional tests, selection and display of maintenance messages corresponding to equipment faults and fault history, and control of maintenance related display on the IDS.

The CMCS-7000 Central Maintenance Computer System consists of the following equipment types.


TYPICAL SYSTEM

Type Part Number Description 
CMC-7000 622-8592-105 Central Maintenance Computer (Boeing PN S242U901-105). Provides processing capability and interfaces to other subsystems necessary to perform fault storage, message formatting and bite/functional test of other aircraft subsystems. The -105 version provides for on-board loading of 685-2270-012 or later application software, and enhanced ACARS capability. (Shipset contains 2 each.) 

SOFTWARE

This software is compatible with all CMCS-7000 systems on 747-400 aircraft with CMC-7000 Collins part number 622-8592-105, hardware installed. The new loadable software can be installed on this CMCS-7000 system.


Type Part Number Description 
CMC-7000 
685-2270-012
(CMC-7000 application)
995-0274-009
(Airline Loadable Data Base, ALDB)  
This software is applicable to all engine-type airplanes. It provides updated fault codes and IDS-7000 Loadable OPCs. 

Orders for the application software can be placed with Rockwell Collins, Technical Publications, 400 Collins Road NE, Cedar Rapids, Iowa 52498-001. The price for the software is based on a per platform basis. The disks are certified and serialized, and are made from original computer master files to ensure the highest integrity as required for this flight application. The software will be provided on 3.5-inch disks compatible with ARINC 615 data loaders.


Optional Aircraft Maintenance Aid

Type Part Number Description 
NHE-7000 995-0185-004 
Notes and helps editor. Notes and helps editor is a software package which is required in order to customize existing notes and helps messages and to create new messages within the airline data base section of the CMC-7000 Central Maintenance Computer System (CMCS) in the Boeing 747-400. The-004 version is compatible with -011 and previous versions of CMC application software.
 
  Required hardware (not included) 
  
  •  IBM PC/at computer with a minimum of 640K RAM (or equivalent)
  •  20 mbyte or larger fixed disk drive
  • 5.25 inch 360K floppy disk drive
  • 3.5 inch 1.44 mbyte micro
  • floppy disk drive (Sony PN MP73W-33D or- equivalent)
  • PC monochrome display adapter (Hercules graphics card plus or equivalent)
  • PC monochrome display
  • Printer and cable (Epson FX-86E or equivalent)
 
  PC-DOS version (not included) 
  
  • Requires version 3.30 or later