Installing the Sierra Wireless AirCard 503 on MacOS

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Sierra Wireless Logo

Insert the Sierra Wireless AirCard 503 PC Express card (or PCMCIA card using the supplied adapter) into the Mac. The device will be detected automatically and presented as a removable drive:

Sierra Wireless AirCard 503

Double click the Installer file:

Sierra Wireless AirCard 503

Click Continue:

Sierra Wireless AirCard 503

Read the license agreement and click Continue:

Sierra Wireless AirCard 503

Select Agree if you accept the terms of the agreement:

Sierra Wireless AirCard 503

Select the drive you want to install the required program files onto and click Continue:

Sierra Wireless AirCard 503

Click Install, you will be warned that the machine will need to be rebooted once the installation is complete:

Sierra Wireless AirCard 503

Click Continue Installation:

Sierra Wireless AirCard 503

Click Restart.

Once rebooted, open the Applications folder. A new icon will be present for the 3G Watcher connection manager:

Sierra Wireless AirCard 503

Double click the icon:

Sierra Wireless AirCard 503

The Watcher software will determine the correct connection settings to use automatically based on the SIM inserted in the device. To initiate a connection to the Internet click the Connect button.

To manually edit or add new connection settings, select the Preferences menu and click on the Profiles tab:

Sierra Wireless AirCard 503