Toshiba M10, TECRA manual Procedure 2 Serial Port Check or Debugging Port Check

2.4 System Board Troubleshooting 2 Troubleshooting Procedures

Procedure 2 Serial Port Check or Debugging Port Check

Check the D port status by a debug port test. The tool for serial port or debug port test is shown below.

Serial Port model (W3270 short) Not a Serial Port model

Figure 2-2 A set of tool for debug port test

1.Serial Port model should make " W3270 " of Swich board is made to short-circuit with a wire. As for theposition of W3270 is refer to Appendix B.

2.Connect the RS-232C cross-cable to the connector CN3420 of the system board..

3.Not a Serial Port model should connect a debug port test cable to connector CN3110 of a system board.( W3270 open)

4.Connect the RS-232C Cross-cable to the PC that displays the test results.

TECRA M10 Maintenance Manual (960-685) [CONFIDENTIAL] 2-21