PC-Side Modems (Modem Services)

1. Connect the modem to a PC, using a cable comprising the full RS232 pinout, either supplied in the modem kit or supplied by the modem manufacturer.
   
   Note that using a cable that does not comprise the full RS232 pinout will cause the process to fail.
    

2. Open Modem Services from the Connection menu.

3. Select and enter the modem parameters:

   1. At the top of Modem Services, select a tab; the Modem Type selection box shows the options.

   2. Select the PC modem type; the initialization strings change accordingly. Selecting TAPI displays the settings of telephony devices that appear in Windows>Control Panel>Phone and Modem Options.

   3. If required, you can edit other parameters:

      • Initialization commands: click in the field and enter text.

      • Com Port, baud rate, Time Out, and Time-Out Reply: use the drop down boxes

      • PIN code: click to enter the number.

   4. When all parameters are set, click the Initialize PC Modem button; the PC establishes communication with the modem and initializes it.

 

 

In addition to modem initialization, Modem Services offer other options:

Option	Description
Dial & Hang-Up	To dial: Click the Number to Dial field; the Favorites list opens. Enter or highlight the desired number. Close Favorites, and click Dial. To break the data link, click Hang-Up.
Dial Mode	Selecting Auto enables the modem to adapt to the signal provided by the telephony service operator.
SMS Options	This option is available if you have selected a GSM modem. Select the destination number. Enter the SMS text, then click Send SMS. Note that an SMS can be used to cause the PLC to call the PC.
Wait for Incoming Call	Places the PC modem in auto-answer mode.
Prepare PLC Modem	Use this option to initialize a PLC-side modem. Full instructions are in the topic PLC-side Modems.

1. Prepare and connect the PLC-side modem as described in the topic PLC-side Modems, in the section 'How to enable a controller to communicate via landline or GSM/GPRS modems.

2. Dial the PLC to establish the communication link:

3. 1. Favorites (Telephony). You can keep a list of frequently-used numbers in Favorites.

   2. Click a line to enter or select a number and description.

   3. To access outside lines, enter the access number required, a comma, then the phone number.

4. Click Dial to establish the data link, then enter OnLine mode.

You can now perform any task that can be performed via a direct PC-PLC connection.

Note that when the modem is connected, the Modem Connected icon appears on screen.