Hyperterminal error another program is using

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To determine the resource settings for the serial port that the modem is configured to use, follow these steps: In Control Panel, double-click System. Click the serial communications port the modem is configured to use, click Properties, and then click the Resources tab. To determine which serial port the modem is configured to use, click the modem in Device Manager, click Properties, and then click the Modem tab.

If the resources that the modem is configured to use do not match the resource settings for the serial port, physically configure the modem to use different resources or modify the resource settings for the serial port in Device Manager. This command may take time to implement, so the response from the modem may be delayed.

DSR always ON. Once the modem is successfully initialized, you can use Hyperterminal to initialize the modem to SMS mode. Commands including question marks are run for verification twice. If the command is not verified during the second attempt, the attempts stop. When this message is received by the controller, SB turns ON. The confirmation message is acknowledged by OK. Xx is a number in the controller's memory, 1 to If initialization fails, SB 81, 83, 85, or 87 will turn ON.

The instructions below show you how to construct a communications 'Sniffer'. This device enables you to use Hyperterminal to view communication strings flowing between a PLC and an external, connected device such as a bar code reader. Solder one diode to the red wire, and one diode to the green wire. The soldered point provides the anode. For more information, refer to the topic Modem Connection and Pinouts. Select the options shown below, and then click OK. Unlock 1 Answer and 3 Comments.

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