IBM 4247-003 Maintenance Manual - Page 207
T&D08 - Microcode Test, T&D09 - Serial Attachment Test – Model 003 with the Serial Card Installed
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If an error message is displayed, go to "T&D Error Messages and Actions - Models 001, 002, and 003" on page 231 . The test completed successfully if the display advances to the next test number. T&D08 - Microcode Test Display: T&D08 Microcode Test RUN TEST ? YES END NO If an error message is displayed, go to "T&D Error Messages and Actions - Models 001, 002, and 003" on page 231. The test completed successfully if the display advances to the next test number. T&D09 - Serial Attachment Test - Model 003 with the Serial Card Installed The serial loop-back connector needs to be installed for this test. There are 2 serial loop-back connectors: the RS-232 and RS-422. The RS-232 connector is installed first. The display will prompt you to remove the RS-232 connector and install the RS-422 loop-back connector. If a loop-back connector is not installed, an error message will be displayed. T&D09 Serial Attachment Test RUN TEST? YES END NO 1. Install RS-232 connector. 2. Press Line Feed key. 3. When prompted, remove the RS-232 connector and install the RS-422 connector. 4. Press the Line Feed key. 5. If an error message is displayed, go to "T&D Error Messages and Actions - Models 001, 002, and 003" on page 231. 6. The test completed successfully if the display advances to the next test number. Chapter 2. Diagnostics 207
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