User's Manual Part 2

CAS / Part No. 9000000

SYSTEM DESCRIPTION AND INSTALLATION MANUAL

34-43-20

15 Feb 2003

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5--18

(g) Power on the PC to Microsoft Windows operation.

(h) On the PC, follow the Online instructions provided with the EDDIT tool to

download the TAWS/RWS operational software/Database part numbers.

(i) Shut down the PC and remove power.

(j) Remove power from the TT-- 950/951/952 Computer Unit.

(k) Disconnect the RS --232 cable from the J1 front connector on the

TT--950/951/952 Computer Unit.

(4) TCAS Software Verification Using a Software Verification Fixture ONLY

(a) Obtain Software Verification Fixture (Part No. T326948--901) with associated

adapter cable (Part No. 200F-- 00084).

(b) Remove power to the TT--950/951/952 Computer Unit.

Computer Unit and the software verification fixture.

(d) Apply power to the TT--950/951/952 Computer Unit.

(e) Enable the software verification fixture and verify the appropriate software part

number is displayed in the 15--digit display.

(f) Perform a TCA S system self--test an d verify th at TCAS TEST PASS is

annunciated.

NOTE: The TCAS TEST FAIL message may be annunciated if a n L RU that

supplies input to the TT--950/951/952 Computer Unit is not powered on.

(g) If the software part number is not displayed, repeat step (a) thru step (f).

(5) TCAS Software Verification Using a Remote Connected VSI/TRA ONLY

On some aircraft configurations, software verification may be performe d using a

remote connected VSI/TRA (Part No. 4067241--861, --862, or --863) display attached

through adapter cable (Part No. 200F--00083) to the J1 front connector of the

TT--950/951/952 Computer Unit during the extended test mode.

Verify the particular aircraft configuration can support a Flight Deck initiated self --test

and be recognized at the 8--second time period after activation.

NOTE: CMC/CFDS activated self--test will not be recognized at the 8--second time

period, only an approved TCAS control panel.