NOTE: Clicking Cancel on the MDA COM 1 Setup dialog box does not cancel the MDA COM 1 port setting changes you made. Clicking Cancel only closes the dialog box.

NOTE: The baud rate and parity settings of the con- nected CM9760-MDA COM 1 port and PC port must match.

6.Click OK. The MDA COM 1 Setup dialog box remains on the screen displaying the updated port settings.

7.Test the CM9760-MDA communication port by clicking Test Comm:

¥If communication between the MDA COM 1 port and the PC port has been established, an information dialog box appears confirming communication between the ports. Click OK on the information dialog box, and then click Cancel on the MDA COM 1 Setup dialog box to close the dialog box.

¥If communication between the MDA COM 1 port and the PC port has not been established, a No Response dialog box appears instructing you to check the PC port and unit ID settings. Click OK. Modify the settings as necessary and then test the CM9760-MDA port again to confirm communication.

PC Communication: To set up the communication port for the PC, click System on the CM9760-MDA SETUP dialog box and then click PC COM Setup. The System Communica- tion Setup dialog box, Figure 22, appears.

Figure 22. System Communication Setup Dialog Box

Set communication parameters for the PC as follows:

1.Select the PC serial port by clicking the option button next to the desired setting. The System Communication Setup dialog box displays up to four serial portsÑCOM 1, COM 2, COM 3, and COM 4Ñdepending on the number of serial ports available on your PC. Only serial ports COM 1 and COM 2 are displayed in Figure 22. The default is COM 1.

2.Select the baud rate by clicking the option button next to the desired setting. The default is 9600.

3.Select the parity by clicking the option button next to the desired setting. The default is Even.

4.For port-powered RS-232 to RS-422 converters, set RTS (Request To Send) high by selecting the Hold RTS High item. The Hold RTS High item is selected when a checkmark appears in the checkbox next to the item. Clicking the checkbox functions as a toggle and selects or deselects the Hold RTS High item.

5.Click OK.

MDA Software Reset: To reset MDA software to factory default settings, click System on the CM9760-MDA SETUP dialog box and then click MDA Software Reset. At the prompt that asks you whether you wish to reset MDA software, click Yes.

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Pelco cs73m-d operation manual System Communication Setup Dialog Box