Start ComTest, Exit | B&B Electronics RS-422 manual

B&B Electronics RS-422 manual Start ComTest, Exit

Start ComTest

1.Make loopback connections.

2.Select Start, Programs, B&B Electronics, ComTest, ComTest.

3.ComTest Starts with a Select Port Window.

4.Select the Com port to access or test. (The drop down box shows available ports not in use).

5.Click OK. Configure Port is shown.

6.Select the needed baud rate, parity, data bits, stop bits. (Defaults are common settings).

7.Type characters – they will appear in the upper window.

8.If performing a loopback test, observe the received characters in the lower window.

9.Use the Option to set DTR high or low, observe the DSR line and if connected the DCD line follow.

10.Use the Option to set the RTS line high or low, observe the CTS input line follow.

Exit

When testing is completed, close the program.

C-2

Appendix C

Documentation Number 3PCIO1-0903 Manual

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

RS-422 specifications

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