B&B Electronics RS-422 manual Appendix C Troubleshooting With ComTest, Com Test

Appendix C: Troubleshooting With ComTest

Included on the CD-ROM disc is a test program called ComTest. See Chapter 7.

ComTest is a simple 32-bit Windows (Windows 95, 98, 2000, XP or NT 4.0) COM port test program. It allows multiple ports at any address and IRQ, to be opened at any given time.

ComTest can also be found on our Support webpage at: www.bb-elec.com.

B&B Com Test

•A Windows Terminal Program for Simple Checks of Serial Ports. Works with USB Serial Converters & ISA or PCI Serial Cards

•Serial Port Access under Windows 95/98/2000/XP – Com1- Com8 or above.

•Dual Windows show typed transmit characters in separate window from received characters.

•Transmit & Receive Activity Indicators

•Unprintable Characters Shown in Hex – 2 Digits Within Left & Right Angle Brackets.

•Visual Indication of Handshaking Lines – DTR DSR DCD and RTS CTS. (Red = Hi)

•Option for Setting DTR or RTS lines high or low.

•Option for Repeat Mode – last character or Function Character Sequence is repeated until set off.

•Configuration Settings:

-Baud Rates 150, 300, 600, 1200, 2400, 9600, 19.2, 28.4, 57.6, 115.2K (9600 default and recommended)

-Parity: None, Odd, Even, Mark, Space (None default)

-Data Bits: 5, 6, 7, 8 (8 default)

-Stop Bits: 1, 1.5, 2 (1 default)

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445