Users Manual

ALL
EFFECTIVITY
© Honeywell International Inc. Do not copy without express permission of Honeywell.
Page 5-53
22 Apr 2019
23-15-49
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ASPIRE-400
Table 5-16. Label 271: SDU to ACARS MU/CMU Join/Leave Word
Bit Range Field Name (Discrete Format) Valid Values/Ranges
1-8 Label 271o
9-16 GES ID 00000000b – When Not Available AAP Logon GES
ID field
17-22 Satellite ID 00000000b – When Not Available Satellite ID
when logged on to ground gateway
23-25 Aero Service Type 100b – SBB
26
Legacy ACARS Available 0 Classic Aero not supported
27
ACARS over SBB (SB-S) available
0 – Not Available
1 Available
28
ATN/OSI over SBB available
0 – Not Available
1 – Available (Future)
29
Data Link via MU/CMU Not Available
0 – Available
1 – Not Available
30-31
SSM 00b – Normal Operation
10b – Functional Test
32 Parity
Odd
(8) The ACD transmits the Equipment ID Label 377 on the ARINC 429 "Data to CMU 1 & 2"
interface with a period of 1 s ± 100 ms and an SDU Equipment ID encoded as 41 BCD.
Table 5-17. Label 377 Subsystem Identifier
Bit Range Field Name (Discrete Format) Valid Values/Ranges
1-8 Label 377o
9-16
SDI 01b – SDU 1
10b – SDU 2
11-14
Equipment ID Code (LSD)
0000b = 0x1
15-18
Equipment ID Code
0100b = 0x4
19-22 Equipment ID Code (MSD) 0000b = 0x0
23-31
Spare
0
32 Parity
Odd
L. CMU to SDU - Receive Labels
(1) The ACD processes the ARINC 429 Label 270 ACARS MU/CMU to SDU Status Word,
received on the enabled CMU interfaces, "Data from CMU 1" and "Data from CMU 2",
with a period of 900 ms to 1.1 s for the following:
DRAFT
3rd rvw Draft as of:
29 January, 2020