APPENDIX A
PCCOM DIAGNOSTIC UNDER MS/DOS

The TESTCOM a diagnostic program, provide routines to test your PCCOM PCI 4 port serial adapter under MS-DOS. It has both internal and external loopback tests. During external loopback test a loop back plug must be connected to each port being tested. You can also select different hardware settings during testing from the SETUP RS232 menu.

User can get TESTCOM program from Decision Studio CD.

¡ETo test your PCCOM 4 port adapter under MS/DOS, please type

TESTCOM

The TestCom menu will appear.

Setup RS232 ¡V is used to setup the baud rate, flow control, etc.

Internal loop test ¡V is used to test the IC.

External loop test ¡V is used to test the ports.

Auto ¡V is used to test the IC and the ports of the card.

¡@