COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Rev. 15 Page 61
Apr. 14/16
Description and Operation
23–70–04
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to the restrictions on the cover page of this document.
As an additional capability, this CVR also monitors the status of an attached Record-
er Independent Power Supply, if present, and includes that status with the OMS out-
put reporting. The RIPS status is monitored using the CVR input pins listed in Table
1.2:
Table 12. CVR Pins Assigned to RIPS Status Monitoring
Pin
Number
RIPS Monitoring Function
State
10
CVR Stop Recording / RIPS Active
Open = Not Active
Closed = RIPS Active or Stop Recording
29
RIPS Fault
Open = RIPS Fault
Ground = RIPS OK
38
RIPS Maintenance
Open = No RIPS Maintenance Needed
Ground = RIPS Maintenance Required
42
RIPS Present Pin Program
Open = No RIPS Installed
Ground = RIPS Present
If the RIPS is not present, then the CVR will not monitor the RIPS status inputs, and
they will not be reported (default to “0’’ in Label 350 output).
A.
Label 350 Status Word Output
The CVR will report status using Label 350 on the OMS ARINC 429 output word as
shown in Table 1.3 below:
Table 13. CVR Label 350 Output Format
BIT
N°
FUNCTION
STATUS
18
Label 350
1 2 3 4 5 6 7 8
1 1 1 0 1 0 0 0
910
SDI
10 9
0 0 Normal (CVR1)
0 1 Not used (CVR2)
1 0 Not used
1 1 Not used
11
CVR Audio Recording Failure
0: OK 1 : Failure
12
CMC Bus Status
0: OK 1 : Failure
13
CVR Control Unit Failure
0: OK 1 : Failure
14
FDR Status (not used)
0: OK 1 : Failure
15
RIPS Fault Status (pin 29)
0: OK 1 : RIPS Fault
16
CVR DataLink Recording Failure
0: OK 1 : Failure
17
Clock Status
0: OK 1 : Failure
18
Data Link Input Interface
0: OK 1 : Failure
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