
SYMETRIX SOLUTIONS: TECH TIP
February 2014
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The main parts of the program are:
• The SymNet ATI Simple Dialer v1.1 is the custom user module
described in this tech-tip to control the Radius AEC and ATI card.
• The Preset example shows how a preset may be executed. This code
is not used in this application.
• The Com section is there for applications where serial (RS-232)
communication is used instead of network (UDP) Control. This section
is commented out in the current project. When using serial control
instead of network control, it is necessary to configure the serial port
on the “Configure” screen in Simpl and uncomment this Com section.
Network (UDP) control is recommended.
• The Global System Initialization section is used to start the program.
SymNet-Simple-Telco-Example.smw
While the simple dialer module supports one phone line, it would be possible
to have two of these modules in the Crestron Simpl program to control both
analog telephony interfaces on an ATI card. The second phone line would
require unique controller numbers and be configured as the single phone line
was described previously.
The input and output signals of the dialer module are shown in the figure below.
The input signals (L1_1_press, etc.) originate from button presses from the
Crestron Mobile symbol.
Figure 7. The inputs and outputs of the SymNet ATI Simple Dialer module.
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