Sierra Wireless GX350 Quick Reference Card
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QUICK REFERENCE CARD
Sierra Wireless GX450 Modem
This guide provides step-by-step instructions for a quick setup
of the Sierra Wireless GX450 modem with or without a WiFi
X-Card present.
Note: Failure to follow these instructions carefully may
damage the X-Card and void the warranty agreement.
STEP 1: INSTALL THE SIM CARD
1. Ensure the device is powered o.
2. Unscrew the 8 mm hexagonal nut on the WiFi SMA antenna
connector at the front of the gateway, using the socket and
wrench. Then slide o the nut and lock washer. Save the nut
and washer. These are used again.
3. Remove the four screws used to secure the black decorative
cover. Use a Phillips #1 screwdriver. Save the screws for
reinstallation.
4. Gently tilt up the back of the decorative black cover and then
move the cover forward so that it slides over the WiFi SMA
antenna connector.
Warning!
Do not reset the modem to factory defaults.
Do not press and hold the reset button on the front
of the modem.
Do not utilize the web interface to update modem
firmware or perform a factory default reset.
This will remove the custom Trimble firmware and
void the factory warranty.
5. Continue to slide the cover horizontally until it clears the
SMA antenna connector.
6. Lift the cover to remove it completely. Save the cover. It is
used later.
7. Insert the SIM card, with the gold contacts facing down and
the notch on the right side, as shown in the illustration.
8. Ensure the black gasket is in place at the base of the SMA
antenna connector.
9. Re-install the decorative black cover:
a. Line up the SMA antenna connector 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.
c. It may require some force to make sure the 4 holes in the
cover line up with the threaded holes on the top of the
gateway. Push from both the front and the top to line up the
holes properly
d. Use the 4 screws saved in step 2 to re-attach the decorative
black cover. Torque the screws to 5 in-lbs (0.6 N-m). Ensure
that the screws are tight so that the seal underneath the
decorative black cover is tight against the gateway.
e. Place the lock washer onto the SMA antenna connector and
move it to the back of the connector, so it is touching the
decorative black cover.
f. Install, then tighten the nut with a 5/16” or 8 mm socket
torque wrench to a torque specication of 8 in-lbs (0.9 N-m).
STEP 2: CONNECT THE CELLULAR ANTENNA
1. Attach the supplied antenna to the magnetic antenna base.
Note the rubber o-ring location to ensure a proper seal.
2. Attach the magnetic antenna base cable to the GX450 cellular
connector. The GPS and Diversity connectors will not be used.
STEP 3: CONNECT THE WIFI ANTENNA
Attach the supplied WiFi antenna to the SMA connector on the
front of the gateway (if equipped).
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STEP 4: CONNECT THE DISPLAY OR
RECEIVER
See the wiring diagrams.
In all instances, ensure that the equiopment is powered o
before connecting the modem.
AG-372 receiver
1. Ensure the receiver is powered o.
2. Using cable P/N 109863, attach connector P1 to Port B on the
AG-372 receiver.
3. Attach connector P2 to the serial port on the GX450 modem.
4. Attach connector P3 to the power port on the GX450 modem.
TM-200 Module
1. Ensure the TM-200 Module is powered o.
2. Using cable P/N 109865, attach connector P1 to the Ethernet
port on the GX450 modem and then attach connector P2 to
the Ethernet expansion port on the TM-200 Module or to the
expan-sion port on the EXP-100 Module.
3. Using cable P/N 109862, attach connector P1 to the power port
on the GX450 modem.
4. Connect R1 to P2 on cable P/N 92676 on the TM-200 Module.
5. Attach connector P3 to the power port on the GX450.
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