R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 | 226 (MDDU) | LS | -------------------------------| 226 (CFDIU) | LS | -------------------------------

R **ON A/C 106-149, 303-399, 401-499,
 | 226 (DMC1) | HS | -------------------------------
R 1EFF : 106-149, 151-199, 201-299, 301-399, 1 31-38-00Page 27 1401-499, 1Config-2 Aug 01/05 1 1 1CES 1

R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,

 (2) Labels characteristics
 -------------------------------------------------------------------------------| PARAMETER LIST PARAMETER CHARACTERISTICS (NUMERIC) | -------------------------------------------------------------------------------|EQ.SYS.LAB.SDI|PARAMETER | WORD RANGE |UNIT|SIG |BITS|XMSN|CODE|ALPHA|SOURCE | | |DEFINITION| OPER RANGE | |BIT | |INTV| |CODE |ORIGIN | | |(*=REMARK)| RESOLUTION | | | | | | |BUS No.| | |(X=NOTE) | ACCURACY | | | | | | |ATA REF| | | | | | | | | | |CONV | -------------------------------------------------------------------------------| 226 |address | | | | 16 | 3/ | | | | |portable | | | | |9999| | | | |data | | | | | | | | | |loader | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 226 |FMGC 1 & 2| | | | 16 | 3/ | | | | |protocol | | | | |9999| | | |--------------|----------|------------|----|----|----|----|----|-------------| | 226 |CFDIU | | | | 16 | 3/ | | | | |protocol | | | | |9999| | | -------------------------------------------------------------------------------| 226 | TCAS | | | | 16 | 3/ | | | | |protocol | | | | |9999| | | |--------------|----------|------------|----|----|----|----|----|-------------|
 **ON A/C 159-199, 210-210,
 | 226 | DMU | | | | 16 | 3/ | | | | | (FDIMU) | | | | |9999| | | | | protocol | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 170 | FDIU | | | | 16 | 3/ | | | | | (FDIMU) | | | | |9999| | | | | protocol | | | | | | | | -------------------------------------------------------------------------------

R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 | 226 | ATSU | | | | 16 | 3/ | | | | |protocol | | | | |9999| | | |--------------|----------|------------|----|----|----|----|----|-------------|
R 1EFF : 106-149, 151-199, 201-299, 301-399, 1 31-38-00Page 28 1401-499, 1Config-2 Aug 01/05 1 1 1CES 1R **ON A/C 106-149, 303-399, 401-499,

 -------------------------------------------------------------------------------| PARAMETER LIST PARAMETER CHARACTERISTICS (NUMERIC) | -------------------------------------------------------------------------------|EQ.SYS.LAB.SDI|PARAMETER | WORD RANGE |UNIT|SIG |BITS|XMSN|CODE|ALPHA|SOURCE | | |DEFINITION| OPER RANGE | |BIT | |INTV| |CODE |ORIGIN | | |(*=REMARK)| RESOLUTION | | | | | | |BUS No.| | |(X=NOTE) | ACCURACY | | | | | | |ATA REF| | | | | | | | | | |CONV | -------------------------------------------------------------------------------
| 226 |DMC1 | | | | 16 | 3/ | | | | |protocol | | | | |9999| | | |--------------|----------|------------|----|----|----|----|----|-------------|

R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 D. RS422 Interface
 The interface between the DLRB and the DLS is made of a RS422 bi-directional serial link.
 (1) Information exchanged on the serial line
 (a) From the DLRB to the DLS
 1 During normal operational mode
_ The content of the text which is displayed on the LCD screen.
 2 During power-up mode of DLS
_ Information devoted to initialization of the LCD screen.
 (b) From the DLS to the DLRB
 1 During normal operational mode
_ NEXT, PREV, SEL CTL keys signals and DLS BITE status which are treated by the DLRB.
R 1EFF : 106-149, 151-199, 201-299, 301-399, 1 31-38-00Page 29 1401-499, 1Config-2 Aug 01/05 1 1 1CES 1

 2_ During power-up mode
 The resulting BITE status of the test which is analysed by the
 DLRB.

 E. RS-232 Interface Part of the connector is reserved for Portable Test Equipment (PTE) use
 during workshop maintenance operations. BITE results are stored in a
 non-volatile memory (NVM).
 This memory reserved for recording failures is divided into 4 zones. Zone

 1 stores internal and external failures detected during the last or
 current flight leg.
 Zone 2 stores internal failures detected on the ground.

 These two zones can only be read by the CFDIU.
 Zones 3 and 4 provide permanent storage of in-depth data concerning the
 failures (information on the internal part of the data loader).

 These two zones can only be read by the PTE.
　
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