User's Manual

ROCKWELL COLLINS
COMPONENT MAINTENANCE MANUAL with IPL
TDR-94, PART NO 622-9352
STEP PROCEDURE DESIRED RESULTS
a. Ensure that both Air/Ground Discrete #1 (P2-53) and
Air/Ground Discrete #2 (P1-27) are NOT connected to ground
(i.e., establish the airborne state).
b. Ensure that both Configur ation Select “0” (P1-28) and
Configuration Select “1” (P1-17) are NOT connected to ground.
c. Ensure that there is no Arinc 429 Label 203 present on the
selected Altitude Input Bus.
d. Provide the transponder unit with a GPS Time Tag signal via
theGPSTimeTaginputs(P2-37High,P2-38Low). TheGPS
time tag signal shall be a differential (0 –5 vdc) 1 millisecond
pulse, at a repetition rate of 1 per second.
e. Via the GPS/GNSS Input Data Bus, provide the transponder
with the appropriate labels and data indicated in Figure
1019/GRAPHIC 34-50-96-99B-090-A01. Each data parameter
shall be updated at least once per second.
f. Interrogate the transponder with the Mode-S interrogation
indicated in Figure 1019/GRAPHIC 34-50-96-99B-090-A01 to
request BDS Register 0,5.
g. Verify that the transponder responds properly with two
DF=20 replies containing the exact structures for the ”MB” field
indicated in Figure 1019/GRAPHIC 34-50-96-99B-090-A01.
N
OTE: The single Antenna Bit (RF bit 40) will be set to a "0"
for the TDR94D and a "1" for the TDR-94.
N
OTE: Steps f and g may need to be repeated in order
to get an even encoding since the transponder
is alternating encoding of latitude and longitude
data on odd and even intervals at rates of either
100 or 200 milliseconds.
h. Repeat step f as needed.
Final Performance (Customer Acceptance) Test. Cont.
Table 1001/Table 34-50-96-99A-009-A01
34-50-96
Page 1028.2
May 07/07