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B
L.
Intruder File Protocol
ARINC 735a or Honeywell Business and Commuter Aviation Systems
(BCAS) protocol.
M. Display Valid Input Usage: Used or Ignored.
If "Used" is selected, TAS will use the Display Valid Input for BITE pur-
poses. If "Ignored" is selected, TAS will ignore the Display Valid Input
for BITE purposes.
N. RS-422 Output Drivers: enabled or disabled
When the TAS processor is configured to have the Data Recorder RS-
422 Drivers enabled, the RS-422 output bus shall be active. When the
RS-422 Drivers are disabled the output bus shall be inactive. This
should be set to "disable" for aircraft installations.
4.2.4.1 TAS RS-232 Maintenance Port
One port is provided which meets the characteristics specified in RS232C.
This bus can be used to access internal data from the TAS for aircraft testing.
In addition to the internal data, other items such as unit configuration and flight
history can also be accessed.
Baud Rate
Parity
Data Bits
Stop Bits
Maximum Recommended Cable Length 15 Meters
Pin Assignment (Signal Mnemonic)
DIAG_RS232_TX
DIAG_RS232_RX
DIAG_RS232_RDY
DIAG_RS232_TERMRDY
4.2.4.2 TAS RS-422 Data Recorder
One port is provided which meets the characteristics specified in EIA RS-
422A. This bus can be used as a data recording vehicle. It need not be wired
unless requested by Honeywell personnel.
Rev 3, August/2002
38,400
none
8
1
J10-38
J10-39
J10-40
J10-41
10609I03.CDL
KMH 880/KTA 870
Page 4-18
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