COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Rev. 15 Page 69
Apr. 14/16
Description and Operation
23–70–04
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to the restrictions on the cover page of this document.
payload
protocol
Williamsburg V3
protocol
payload
Header
ARINC 619
Payload = one of the following styles
Header
Common Header
ASCII Message
Length
AFN, ARINC 623 DC and ARINC 623 OC
ASCII or Unaligned PER Message
Header
CPDLC
Length
ASCII or Bit Encoded Message
Header
ADS
−
C
Length
ASCII Message
Area
ARINC 623 ATIS & Display Server
Length
0
2,3,5
1
4,6
Figure 13.
Generic DataLink Message Encapsulation Structure
As indicated in Section 1 above, the FA2100 DataLink CVR also includes an ARINC
429 OMS output interface (Pins 50/51) that provides a Label 350 CVR status word
output once per second. This word, in its entirety, along with any DataLink Label 270
or 276 input status words are also recorded as part of the DataLink stream. This
provides a complete representation of the CVR DataLink input, and overall CVR
status, within the recorded DataLink stream.
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