APPENDIX A

PCCOM DIAGNOSTIC UNDER MS/DOS

The TESTCOM a diagnostic program, provide routines to test your PCCOM PCI 8 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.

=    To test your PCCOM 8 port adapter under MS/DOS, please type

TESTCOM                                                                                                                                
The TestCom menu will appear.
Setup RS232 – is used to setup the baud rate, flow control, etc.
Internal loop test – is used to test the IC.
External loop test – is used to test the ports.
Auto – is used to test the IC and the ports of the card.