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Enable Module
For the Alarm.com module to communicate with the panel, section [382] option 5 at the panel must be set to
ON. This section is OFF by default and must be enabled for the system to function properly. This should be
done before connecting the PC Link cable to power up the module to ensure all initialization commands are pro-
cessed properly.
Connect the 3G8080-EU
Caution: Ensure that the alarm panel is fully powered down (i.e., AC and battery disconnected) prior to con-
necting the 3G8080-EU.
Step 1: Connect Data Bus
The maximum cable length permitted for the data bus is 100ft/30m.
Connect the RX+ terminal on the 3G8080-EU to the TX+ terminal on the PCL-422
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Connect the RX- terminal on the 3G8080-EU to the TX- terminal on the PCL-422
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Connect the TX- terminal on the 3G8080-EU to the RX- terminal on the PCL-422
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Connect the TX+ terminal on the 3G8080-EU to the RX+ terminal on the PCL-422
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Step 2: Connect Power
The maximum cable length permitted for the power connection is 100ft/30m.
Connect the GND terminal on the 3G8080-EU to the GND terminal on the PCL-422
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Connect the +12V terminal on the 3G8080-EU to the +12V terminal on the PCL-422
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Step 3: Connect the PC-Link Cable
Note: To ensure correct orientation, refer to items A and C in the wiring diagrams for the proper position of
the red wire on the PC-link cable.
Connect one end of the supplied PC-Link cable to the PC-Link header on the PCL-422
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Connect the other end of the PC-Link cable to the PC-LINK_2 header on the alarm panel
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Step 4: Connect External Antenna (Optional)
Upgraded antennas are available for the 3G8080-EU if there is inadequate cellular reception at the preferred
mounting location. Contact DSC technical support for antenna options.
The 3G8080-EU has two covered access ports on the top of the enclosure. Remove the plastic tab covering the
desired port and either mount the antenna on the enclosure or use the opening to pass through the antenna cable.
Note: Due to the curvature of the enclosure, the plastic port covers are NOT interchangeable. Ensure that any
unused ports are covered with their original plastic tab.
Warning: The external antenna must be installed in a manner to prevent end users from accessing any con-
ductive part of the anntena or antenna cable (i.e., recessed mounting or equivalent).
Step 5: Power Up
Connect panel battery and AC power. Once an HSPA module is connected to a powered control panel, view
key items on the LCD. Ensure that the module has been fully connected to the alarm panel via quad cable as
shown in wiring diagram.
HSPA Phone Test (Module Registration)
To initiate module communication with Alarm.com and the HSPA network for the first time, perform an
"HSPA phone test". Note that the phone test can also be used at any time by the installer to force com-
munication with Alarm.com. Perform a phone test by pressing and holding [3] for two seconds. A phone test
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