Sierra Wireless AirLink GX450 Hardware User's Manual page 21

7. Install the decorative black cover:
8. Use the four screws you saved in step 2 to re-attach the decorative black cover.
9. Re-install the screw nuts you saved in step 1 to either side of the serial port. (Finger
Note: The screw nuts must be re-installed to maintain the IP rating for the AirLink gateway.
Rev. 11 July 2019
Note the direction of notched
corner of SIM card for
proper alignment.
Figure 2-10: Inserting the SIM card (I/O X-Card installed)
a. Line up the serial port with the hole in the cover.
b. Tilt the rear of the cover slightly to make sure the front bottom of the cover seats
in the front ridge. Slide the cover into place, and then push the top of the cover
down.
It may require some force to make sure the four holes in the cover line up with the
threaded holes on the top of the unit. You may need to push from the front as well
to ensure that the holes line up properly.
Torque the screws to 5 in-lb. (0.6 N-m). Ensure that the screws are tight so that the
seal underneath the decorative black cover is tight against the gateway.
tight is sufficient.)
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Installation and Startup
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