# RS-232 Library Overview

This section describes the functions in the LabWindows/CVI RS-232 Library. To access information about each function, you can use the function tree list of RS-232 Library functions or click the function name in the Alphabetical List of Functions section of the Contents tab. You also can use the RS-232 Library functions with a National Instruments RS-485 serial board.

### RS-485 AT-Serial Board

You can use all the functions in the RS-232 Library with the National Instruments RS-485 AT-Serial board. Use ComSetEscape to control the transceiver mode of the board.

### Related Topics

Reporting RS-232 Errors

XModem File Transfer Functions

Troubleshooting

RS-232 Cable Information

Handshaking

RS-232 and Multithreading

Callback Data

RS-232 Error Conditions