Toshiba Tecra M10 - Serial Port Check or Debugging Port Check; A Set of Tool for Debug Port Test

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