B&B Electronics RS-422 manual Set DTR Operation

Set DTR Operation

Set DTR Operation to Normal for RS-232.

Set DTR Operation to RS-485 Mode for 2-wire or 4-wire RS-485 operation.

Either setting can be used for RS-422.

The card jumpers must be set for the same mode. See Chapter 2.

The Default Com parameters are normally overridden by the software application.

You can now remove the driver disc, close the Windows, and check the new ports with your software.

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30 Chapter 3 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