User's Manual

ROCKWELL COLLINS
COMPONENT MAINTENANCE MANUAL with IPL
TDR-94, PART NO 622-9352
STEP PROCEDURE DESIRED RES ULTS
16.5
(Cont)
d. Set the Burst Enable to active and verify that burst data can
be extracted from all three ports. Reset the burst enable
discrete to inactive.
Burst Enable discrete operation O.K. ____ (x)
16.6 CSDB/PLII Control Selection
Set the CSDB (PLII)/A429 Control Select discrete to PLII
(ground P2-56). Set the PLII output on the test computer to
output data on the control bus (P2-31, 32). Verify that PLII
echo is transmitted on PLII output bus (P2-23, 24 ), O
ption 40
on the computer.
CSDB/A429 Control Select/CSD B operation O.K. _ ___ (x)
16.7 Source Ident Straps (P2-46 and P2-47)
a. Connect P2-46 to P2-50 (common). Open circuit P2-47.
Verify that the T DR outpu t data reflects side two in the SDI
bits if ARINC 429 configured, or SI bits
if CSDB configured.
Method A: Set SDI discretes to 1. Set PL
IIdatatoSDI1using
option 39 on the computer. Ver ify unit responds with valid data
on the PLII bus.
Source Ident Straps operation O.K. ____ (x)
b. Connect P2-47 to P2-50 (common). Open circuit P2-46.
Ver ify that the TDR output dat
a re flects side two in the
SDI bits if ARINC 429 is configured, or SI bits if CSDB is
configured.
Method B: Set SDI discretes to 2. Verify no valid data is echoed
on the PLII bus.
Source Ident Straps operation O.K. ____ (x)
16.8 Self-Test Inhibit Disc rete (P2-38 for -004, -005, -006, -007,
-207 status TDR-94/94D or P1-19 for -008/-108, -308/-309/
-408/-409 status T
DR-94/94D)
Ver ify that when t
his discrete input (P2-38 or P1-19) is
grounded, the unit suspends monitoring and test functions
associated with squitter generation.
Reduce signal level to a low level that will not cause replies.
Ensure that th
e IFR test set indicates squitter output. Switch
the Self-Test inhibit discrete to active (ground). Ver ify squitter
generation is suspended. Reset the Self-Test inhibit to inactive.
Self-Test In
hibit Discrete operation O.K.
____ (x)
Final Performance (Customer Acceptance) Test. Cont.
Table 1001/Table 34-50-96-99A-009-A01
34-50-96
Page 1044
Jun 20/08