Hyperterminal Commands Rs232
The HyperTerminal tool, included with Windows 2000, allows you to communicate directly with your system's modem. Through HyperTerminal, you can reset the modem or issue configuration and diagnostic commands. These capabilities can help you determine whether or not the modem and computer are communicating correctly. Starting HyperTerminal and setting up a new connection Before you can use HyperTerminal to troubleshoot your modem, you must create a connection to the port the modem is using. To do so, follow these steps: • Click Start Programs Accessories Communications HyperTerminal.
Hyperterminal Commands Rs232 Download
Through HyperTerminal, you can reset the modem or issue configuration and diagnostic commands. These capabilities can help you determine whether or not the modem and computer are communicating. We will go over how to create a serial terminal connection within a command. HyperTerminal is the defacto terminal program for any Windows OS up to XP.
• Once HyperTerminal opens, it will automatically prompt you to create a new connection if none exist. If no connection(s) exists, you can click File New Connection to create a new one.
• Specify a name for the connection, choose an icon, and click OK. • In the Connect To dialog box, choose the COM port being used by your modem (usually COM1 or COM2) from the Connect Using drop-down list and click OK. • In the port property sheet that appears, choose a port speed (bits per second) that matches the device. (For a modem, choose its maximum speed.) • Then, choose communications parameters that match the device. For most devices, you can typically use 8 data bits, no parity (set to None), one stop bit, and hardware flow control. When you click OK, HyperTerminal will immediately open a connection to the port.
You'll then be ready to troubleshoot. Using AT commands When using a modem, you can type AT and press [Enter] in the HyperTerminal connection to test communications. You should receive an OK message if your settings are correct and the modem is working, as shown in Figure A. Figure A These are some of the AT commands for my Compaq Armada M300 laptop's built-in modem.
Hyperterminal Commands Rs232
Hyperterminal Commands Rs232
If you don't see the AT text appear when you type, choose File Properties, click the Settings tab, and then click ASCII Setup. Select Echo Type Characters Locally and click OK twice.