HP 3000 SERIES II System Service Manual page 23

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System Verification
HP 30032A TERMINAL DATA INTERFACE (TDI) peA DIAGNOSTIC
(D427)
The TDI diagnostic tests the 16 channels of the Terminal Data Interface PCA. Test cable 30062-60003
is required to execute the diagnostic. The test cable is initially connected between channels 0 and 1 on
the HP 30062A Terminal Controller/Multiplexer Connector Panel and then connected to the next
sequential pair of channels until all channels have been tested. The following procedure is used to
verify operation.
OPERATOR ACTION/COMMENTS CONSOLE MESSAGES
NOTE
NOTE
Tag and identify all cable connectors on HP
No console messages are obtained during this
30062A Connector Panel located at the rear of
diagnostic.
equipment bay 1 before proceeding.
Disconnect all cable connectors from HP 30062A Connector
Each pair of channels takes approximately 20 seconds for the
Panel. test to run.
Connect test cable 30062-60003 between channels 0 and 1 on
the connector panel.
Cold load diagnostic D427 from stand-alone diagnostic tape.
Program loads and displays HALT %6 (%030366) in CIR.
Select switch register options by setting bit 0 of SYSTEM
SWITCH REGISTER off.
Press RUN
CIR displays HALT %7 (%030367).
Enter channel numbers to be tested into SYSTEM SWITCH
REGISTER. For channels 0 and 1, enter %000001.
Press RUN
CIR displays HALT %6 (%030366).
Press RUN
Program executes and CIR displays HALT %16 (%030376)
after successful completion of test. An error condition will
display a HALT %12 (%030372) in CIR.
Disconnect test cable from channels 0 and 1, and reconnect
between channels 2 and 3.
Enter channel numbers to be tested into SYSTEM SWITCH
REGISTER. For channels 2 and 3, enter %001003.
Press RUN
CIR displays HALT %6 (%030366).
Press RUN
Program executes and CIR displays HALT %16 (%030376)
after successful completion of test. An error condition will
display a HALT %12 (%030372) in CIR.
Disconnect test cable from channels 2 and 3, and reconnect
between channels 4 and 5.
Enter channel numbers to be tested into SYSTEM SWITCH
REGISTER. For channels 4 and 5, enter %002005.
Press RUN
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