2.......…..................................…........................…..........1
*[1] Software is installed from PCMCIA card.
*[2] Some FDAUs do software installation at the FDAU front panel.
*[3] Software is installed from disk drive at QAR front panel.
*[4] Optional airline-specific software
(4) Data Loaders
(a)
This procedure supplies general information about data load equipment. You can find the data load equipment for the airplane configuration in the Flight Management Computer System (34-61).
(b)
A data loader is a disk drive that connects to a component through interface wiring. Software disks are inserted into the disk drive and the data is transferred to the component.
(c)
There are two types of data loaders: airborne data loaders and portable data loaders.
(d)
An airborne data loader (ADL) is a data loader that is installed in the flight compartment on the P21, P23 or P37 panel.
(e)
A portable data loader (PDL) is equipment that is moved to the airplane to install software. The PDL is removed from the airplane when the task is complete.
(f)
If an airplane has an ADL, then there will be a data loader control panel that is installed near the ADL. Software can be installed in components that have interface wiring connected to the data loader control panel. The data loader control panel has a switch position for each component that can receive software. INOP labels are attached on switch positions that are not available for software installation.
(g)
If the airplane does not have an ADL, then it will have an DATA TRANSFER UNIT RECEPTACLE-FMCS connector in the flight compartment (left side). The FMC software is installed through the connector with a PDL.
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737-300/400/500MAINTENANCE MANUAL
(h) Figure 201 shows examples of data loader control panels, airborne data loaders, and the FMCS connector.
(5)
Alternative Software Installation
(a) Usually software is installed with a data loader in the flight compartment. But some components have a disk drive, PCMCIA (personal computer memory card international association) interface, or PDL connector for software installation at the front of the component.
(6)
Airborne Data Loaders (ADL)
(a) This procedure supplies examples for operation of these ADLs: 1) Allied Signal (Sundstrand) 2) Teledyne 3) SFIM
(7)
Portable Data Loaders (PDL)
(a)
A PDL has an interface cable that can be connected to the DATA TRANSFER UNIT RECEPTACLE-FMCS connector in the flight compartment. A PDL can also be connected at the front panel of some components. The circuit breaker that supplies power for the PDL must be open when a PDL is connected or disconnected.
(b)
PDLs are not Boeing supplied parts. Refer to the data loader supplier for instructions for PDL operation.
B.
References
(1)
AMM 24-22-00/201, Control
C.
Access
(1)
Location Zone
101 Control Cabin, Left
102 Control Cabin, Right
D.
Allied Signal (Sundstrand) Airborne Data Loader Procedure
S 862-003
(1) The Allied Signal ADL has these status lights:
(a)
PROG (In Progress) - shows as software installation occurs.
(b)
CHNG (Change) - shows when it is time to install the next disk.
(c)
COMP (Complete) - shows when the software installation is completed.
(d)
RDY (Ready) - shows when the disk is in the disk drive and the ADL is ready to install the software in the component. 1) If the RDY indication flashes, then the data loader is in
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