Black Box IC293A, Руководство пользователя

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Appendix A: Troubleshooting
• Click “Apply” and “OK.”
• Select the “BERT” tab and with the loopback connected to the port you want
to test, click on the “Start” button. If testing RS-485, be sure that ECHO is
enabled (see Figure A-3).
Figure A-3. Start button in WinSSD COM3 screen.
• If the COM port is working properly, the green light will glow and the Transmit
Frames and Receive Frames will increase. The Tx and Rx Data Rates will show the
calculated data rate (see Figure A-4).