User guide

AirLink GX Series User Guide
28 4114008
• As a digital output, it can trigger an alarm, siren, door lock or opens a valve
or a switch. Pin 4 is an open collector transistor output normally at 3.3VDC.
When triggered, it is pulled to ground. The initial state of the digital output
when the device is rebooted is configurable in ALEOS.
Figure 2-8: Digital Output Operation
X-Cards
The AirLink GX Series has several optional, factory-installed, expansion cards (X-
Cards) available to add more functions to the basic device. They are configurable
with the ALEOS ACEmanager software and more information is available in the
ALEOS Configuration User Guide, which is available for downloading from the
Sierra Wireless web site.
The available X-Cards are:
• Wi-Fi
• I/O
If you have an X-Card card installed on your device, its type and status is shown
on the ALEOS home page (Status > Home).
Figure 2-9: X-Card Installed Indicator on ALEOS Home Page
Wi-Fi X-Card
This card adds Wi-Fi capacity to the device using the 802.11b/g/n standard. It has
the following modes:
•Client Mode where a GX device uses a Wi-Fi client connection to connect to
an access point, rather than acting as an access point (AP)
• Access Point Mode where the device acts as an AP
Pin 4
Digital Output
+12 VDC
COM
NC
NO
CL+
CL-
External Relay Circuit
(Exact voltages and configuration
will depend on the actual system design)
Pin 4 is normally
at 3.3V but is pulled
down to 0V when activated
3.3 VDC
51 K
Internal
Pull Up