B&B Electronics RS-422 Manual De Usuario
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
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.
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.
software application.
You can now remove the driver disc, close the Windows, and check
the new ports with your software.
the new ports with your software.
Continued next page