Sierra Wireless AirLink GX Series Installation manual

AirLink GX Series
Hardware User Guide
4114008
Rev 8

Preface
Rev 8 Nov.15 3
Important
Notice Due to the nature of wireless communications, transmission and reception of data
can never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be
totally lost. Although significant delays or losses of data are rare when wireless
devices such as the Sierra Wireless modem are used in a normal manner with a
well-constructed network, the Sierra Wireless modem should not be used in
situations where failure to transmit or receive data could result in damage of any
kind to the user or any other party, including but not limited to personal injury,
death, or loss of property. Sierra Wireless accepts no responsibility for damages
of any kind resulting from delays or errors in data transmitted or received using
the Sierra Wireless modem, or for failure of the Sierra Wireless modem to
transmit or receive such data.
Safety and
Hazards Do not operate the Sierra Wireless modem in areas where blasting is in progress,
near medical equipment, near life support equipment, or any equipment which
may be susceptible to any form of radio interference. In such areas, the Sierra
Wireless modem MUST BE POWERED OFF. The Sierra Wireless modem can
transmit signals that could interfere with this equipment.
The driver or operator of any vehicle should not operate the Sierra Wireless
modem while in control of a vehicle. Doing so will detract from the driver or
operator's control and operation of that vehicle. In some states and provinces,
The GX400 and GX440 are classified to ANSI/ISA 12.12.01-2011 and CSA C22.2
No 213-M(1987)(R2011) and are suitable for use in Class 1, Division 2, Groups A,
B, C and D classified Hazardous Locations.
The GX450 is classified to ANSI/ISA 12.12.01-2013 and CSA C22.2 No 213-
M(1987)(R2013) and are suitable for use in Class 1, Division 2, Groups A, B, C
and D classified Hazardous Locations.
The following warnings and instructions apply to all GX platforms:
Warning: EXPLOSION HAZARD–SUBSTITUTION OF COMPONENTS MAY IMPAIR
SUITABILITY FOR CLASS I, DIVISION 2.
Avertrissement: RISQUE D’EXPLOSION-LA SUBSTITUTION DE COMPOSANTS
PEUT RENDRE CE MATERIEL INACCEPTABLE POUR LES EMPLACEMENTS DE
CLASSE I, DIVSION 2.
Warning: EXPLOSION HAZARD–DO NOT DISCONNECT WHILE CIRCUIT IS LIVE
UNLESS THE AREA IS KNOWN TO BE NON-HAZARDOUS.
Avertrissement: RISQUE D’EXPLOSION-NE PAS DEBRANCHER TANT QUE LE
CIRCUIT EST SOURS TENSION, A MOINES QU’IL NE S’AGISSE D’UN
EMPLACEMENT NON DANGEREUX.
Warning: DO NOT USE THE USB CONNECTOR IN A HAZARDOUS AREA.

AirLink GX Series Hardware User Guide
44114008
Avertrissement: NE PAS UTILISER DE CONNECTEUR USB DANS LES
ENVIRONNEMENTS DANGEREUX.
Warning: DO NOT USE THE RESET BUTTON IN A HAZARDOUS AREA.
Avertrissement: NE PAS UTILISER LE BOUTON DE RESET DANS UN
ENVIRONNEMENT DANGEREUX.
Limitation of
Liability The information in this manual is subject to change without notice and does not
represent a commitment on the part of Sierra Wireless. SIERRA WIRELESS AND
ITS AFFILIATES SPECIFICALLY DISCLAIM LIABILITY FOR ANY AND ALL
DIRECT, INDIRECT, SPECIAL, GENERAL, INCIDENTAL, CONSEQUENTIAL,
PUNITIVE OR EXEMPLARY DAMAGES INCLUDING, BUT NOT LIMITED TO,
LOSS OF PROFITS OR REVENUE OR ANTICIPATED PROFITS OR REVENUE
ARISING OUT OF THE USE OR INABILITY TO USE ANY SIERRA WIRELESS
PRODUCT, EVEN IF SIERRA WIRELESS AND/OR ITS AFFILIATES HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR THEY ARE
FORESEEABLE OR FOR CLAIMS BY ANY THIRD PARTY.
Notwithstanding the foregoing, in no event shall Sierra Wireless and/or its
affiliates aggregate liability arising under or in connection with the Sierra Wireless
product, regardless of the number of events, occurrences, or claims giving rise to
liability, be in excess of the price paid by the purchaser for the Sierra Wireless
product.
Patents This product may contain technology developed by or for Sierra Wireless Inc. This
product includes technology licensed from QUALCOMM®. This product is
manufactured or sold by Sierra Wireless Inc. or its affiliates under one or more
patents licensed from InterDigital Group and MMP Portfolio Licensing.
Copyright © 2015 Sierra Wireless. All rights reserved.
Trademarks Sierra Wireless®, AirPrime®, AirLink®, ALEOS®and the Sierra Wireless logo are
registered trademarks of Sierra Wireless.
Windows®and Windows Vista®are registered trademarks of Microsoft
Corporation.
Macintosh®and Mac OS X®are registered trademarks of Apple Inc., registered in
the U.S. and other countries.
QUALCOMM®is a registered trademark of QUALCOMM Incorporated. Used
under license.
Other trademarks are the property of their respective owners.

Preface
Rev 8 Nov.15 5
Contact
Information International Contact Information
Sierra Wireless Headquarters Contact Information
www.sierrawireless.com
Contact Email or Web Site
Sales:
Sierra Wireless AirLink Sales [email protected]
Technical support:
Contact your authorized AirLink reseller. Additional support resources, such as technical documentation and software downloads are
available at: http://source.sierrawireless.com
Company information:
New products, press releases, and
more
www.sierrawireless.com
Postal Address: Sierra Wireless
13811 Wireless Way
Richmond, BC
Canada V6V 3A4

AirLink GX Series Hardware User Guide
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Rev 8 Nov.15 7
Contents
Introduction to the AirLink GX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Gateway Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
X-Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
ALEOS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
ACEmanager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
AirLink Management Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
ACEview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Installation and Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Tools and Materials Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Installing the SIM Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Installing the SIM Card—No X-Card present . . . . . . . . . . . . . . . . . . . . .17
Installing the SIM Card—Wi-Fi X-Card present . . . . . . . . . . . . . . . . . . . .18
Installing the SIM Card—I/O X-Card present . . . . . . . . . . . . . . . . . . . . .21
Installing the SIM Card—Dual Ethernet X-Card present . . . . . . . . . . . . .24
Mounting the GX Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Vehicle Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Antenna Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Antenna Separation Recommendations . . . . . . . . . . . . . . . . . . . . . . . . .29
Antenna Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Mounting the GPS Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Connecting the GX Series Gateway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
LED Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

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Connecting a DC Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Supply Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Connector on the GX Series Gateway . . . . . . . . . . . . . . . . . . . . . 35
Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
X-Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Wi-Fi X-Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
I/O X-Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Dual Ethernet X-Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Configuring AirLink GX Series gateways . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Connection Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Configuring with ACEmanager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Configuring with AirLink Management Service . . . . . . . . . . . . . . . . . . . . . . 49
Configuring with AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
AirLink GX Series Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
RF Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Radio Frequency Bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Radio Module Conducted Transmit Power . . . . . . . . . . . . . . . . . . . . . . . 55
Host Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
AC Power Adapter Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Federal Communications Commission Notice (FCC United States) . . . . . . 67
Notice for Canadian Users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Important Information for North American Users on Radiation Exposure . . 68
EU (AirLink GX400 and GX450 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Rev 8 Nov.15 9
1
1: Introduction to the AirLink GX Series
This chapter describes the Sierra Wireless AirLink®GX Series
gateway, including a description of ALEOS®embedded software and
the AirLink Management Service (ALMS) gateway management
platform.
Introduction
The AirLink GX Series gateway is a compact, intelligent and fully-
featured cellular gateway that provides real-time wireless capabilities
for fixed and mobile applications such as:
•Public safety vehicle deployments
•Public transit systems
•Energy and utilities
•Remote asset monitoring
•Backup broadband connectivity
The AirLink GX Series gateway has multiple communication ports
including serial, Ethernet, and USB ports. The power connector has
one digital I/O pin for remote monitoring and control and one ignition
sense pin to turn the gateway on and off and trigger the low power
mode.
The AirLink GX Series gateway is available in the following variants:
•4G LTE (GX440, GX450)
•3G (GX400)
The AirLink GX Series gateway has several expansion options to add
more capability. The following options are available:
•Wi-Fi (802.11 b/g/n)
•Input/Output (I/O) 15-pin connector which adds:
·One additional RS-232 port
·Four additional digital I/O pins
·Four analog voltage sensing pins
The AirLink GX Series gateway, when coupled with the rich
embedded intelligence provided by the embedded ALEOS software,
is the perfect choice for a broad set of machine to machine solutions.

AirLink GX Series Hardware User Guide
10 4114008
Gateway Description
Front Panel
The front panel has the following indicators and controls:
Figure 1-1: GX Series Front Panel
•LEDs– These show the gateway’s operating status. The LEDs are described
in detail in LED Operation on page 32.
• Reset Button – Momentarily pressing and releasing this button reboots the
GX Series gateway.
Note: Holding the Reset button down for 7–10 seconds resets the GX Series gateway to
its factory default settings.
Rear Panel
The rear panel has the following connectors and controls:
Figure 1-2: GX Series Rear Panel
• Antenna Connector – This is the radio’s receive and transmit port.
(SMA connector)
LEDs
Reset Button
Antenna
Connector Diversity/AUX
Antenna Connector
GPS Antenna
Connector
Power Connector
USB Port Serial Port
Ethernet
Connector

Introduction to the AirLink GX Series
Rev 8 Nov.15 11
Note: For more information on antenna connection and use, see Antenna Installation on
page 29.
• GPS Antenna Connector – This connects an optional GPS antenna to the
gateway. (SMA connector)
Note: The GPS antenna connector has a bias output and Sierra Wireless recommends
that you use an active antenna for better sensitivity.
• Diversity/AUX Antenna Connector –This connects an optional auxiliary
antenna to the gateway for backup reception capability. (SMA connector)
Note: The Diversity/AUX connector is receive only, it does not transmit.
• Ethernet Connector – This RJ-45 connector connects a standard Ethernet
cable to the gateway. This is used to connect a Windows PC to the gateway
for configuration and diagnostic purposes or attaching Ethernet equipment to
the gateway.
• Power Connector – This connects power to the gateway and provides
additional inputs and outputs for the control and monitoring of external
devices as well as triggering the low power mode. More information on its
operation and how to use it is given in Connecting a DC Power Cable on
page 34.
There are two types of optional power cables available from Sierra Wireless:
·An AC adapter (usually used for indoor, fixed applications where the
gateway runs off line power)
·DC cables (usually used in vehicles or other installations where the
gateway runs off battery power)
The gateway automatically starts when it senses qualified power on the power
connector.
• Serial Port – This 9-pin connector provides standard RS-232 communication
with a standard straight-through serial cable. It is used to communicate with
industrial machines like motors, computers or controllers or for connection to
a computer to configure the gateway with AT commands. It also supports
features like TCP PAD and UDP PAD. For more information, see Serial Port
on page 38.
•USBPort– This Micro AB connector accepts Micro A and Micro B plugs. You
can use a connected Windows PC to monitor and configure the gateway.
When connected to a PC, the USB port becomes either a:
·Virtual Ethernet port (default)
·Virtual serial port
For information on configuring the USB port, refer to the ALEOS Software
Configuration User Guide. The ALEOS User Guide and Windows drivers for
this port are available at source.sierrawireless.com.
When using the USB port:
·Use a USB 2.0 cable
·Connect directly to your computer for best throughput

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12 4114008
X-Cards
The AirLink GX Series gateway has several optional, factory-installed, expansion
cards (X-Cards) available to add more functions to the basic gateway. They are
configurable with the ALEOS ACEmanager software and more information is
available in the ALEOS Software Configuration User Guide.
The options are:
•Wi-Fi—Adds Wi-Fi capability to the gateway using the 802.11b/g/n standard
•I/O—Has a 15-pin connector which adds to the gateway:
·One 4-wire RS-232 port
·Four analog inputs
·Four high-voltage/high-power digital I/Os with analog readout
• Dual Ethernet—Adds two 10/100 baseT Ethernet ports
For a more complete description of each option, see X-Cards on page 39.
ALEOS Software
Note: For detailed information on all of the features in ALEOS, refer to the ALEOS
Software Configuration User Guide, available from source.sierrawireless.com.
ALEOS, the embedded core technology of the AirLink product line, provides:
•Simplified installation, operation and maintenance of any wireless solution
•An always-on, always-aware, intelligent two-way connection for mission-
critical applications
ALEOS enables:
•Reverse Telnet
•Reliable Static Routing
•SNMP
•Persistent Network Connectivity
•Over-The-Air (OTA) Upgrades
•Wireless Optimized TCP/IP
•Real-Time Notification
•Real-Time GPS Reporting
•GPS Store and Forward
•Packet Level Diagnostics
•Gateway Management & Control
Sierra Wireless has two tools for monitoring and configuring AirLink GX Series
gateways:
• ACEmanager – A web-based configuration tool for configuring a single
AirLink gateway
• AirLink Management Service (ALMS) – A cloud-based gateway
management service for monitoring and configuring fleets of AirLink
gateways

Introduction to the AirLink GX Series
Rev 8 Nov.15 13
GX Series gateways also accept AT Commands.
ACEmanager
ACEmanager is a web-based application used to configure and monitor
GX Series gateways. ACEmanager:
•Simplifies deployment
•Provides extensive monitoring, control and management capabilities
•Enables you to configure your gateway to meet your needs
•Monitors and controls your AirLink gateway remotely and in real-time
•Is accessed through a web browser connected to the gateway
See Configuring with ACEmanager on page 47 to learn how to access
ACEmanager.
AirLink Management Service
AirLink Management Service (ALMS) is a cloud-based application, accessible
from your web browser. It provides remote monitoring and configuration for
multiple AirLink ALEOS gateways from a single computer.
ALMS features include:
•Gateway management as a service
•Advanced monitoring dashboards and alert notifications ensuring you always
know the status of your GX Series gateways
•Detailed configuration of all ALEOS parameters, including templates
providing batch updates of pre-set configurations across multiple gateways
•Over-the-air (OTA) firmware upgrades for all of your AirLink gateways with a
single operation
To connect with ALMS, see Configuring with AirLink Management Service on
page 49.
For more information on ALMS, call your AirLink reseller or visit:
www.sierrawireless.com/ALMS.
ACEview
ACEview is a Windows-based monitoring application for the PC with an easy to
read interface.You can download ACEview free of charge from
source.sierrawireless.com.
Figure 1-3: ACEview Screen

AirLink GX Series Hardware User Guide
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Note: ACEview requires the Microsoft .NET Framework v.2.0 and Microsoft Windows XP
or later. Obtain the Microsoft .NET Framework from Microsoft at: http://www.microsoft.com.
Accessories
Included with AirLink GX450
•DC power cable
•Mounting screws
•Quick Start Guide
Included with AirLink GX440 and GX400
•DC power cable or AC power adapter with international plug options
•Mounting screws
•Quick Start Guide
Order separately
•Ethernet cable
•DB-9 serial cable (6 ft and 25 ft lengths)
•USB cable
•Null modem cable
•LTE antenna
Ordering Information
For more information or to place an order, contact:
[e-mail].
Warranty
The GX450 has a 3 year standard warranty, with an optional 2 year warranty
extension.
The GX400 and GX440 have a 5 year standard warranty.

Rev 8 Nov.15 15
2
2: Installation and Startup
This chapter shows you how to connect, install and start the Sierra
Wireless AirLink GX Series gateway. It also describes the front panel
LEDs. Also described are the optional X-Cards available from Sierra
Wireless that add more functions to the basic gateway.
Tools and Materials Required
•If needed, a SIM card for your gateway as provided by your
mobile network operator
If you are installing a SIM card, see Installing the SIM Card on
page 16 for a list of required tools.
•Laptop computer with Ethernet cable
•SMA cellular antenna
•If used, a GPS antenna
•If used, a second SMA cellular antenna
•If used, a straight-through 9-pin connection cable for the RS-232
port
•Power cable, either the DC cable or AC cable ordered from Sierra
Wireless or your own custom-made cable
Note: Custom-made cables must incorporate strain relief and use the correct
type of power connector to prevent intermittent connection to the gateway.
Note: The gateway has a hardened case for use in industrial and extreme
environments. If you are installing it in these types of environments, use
cables designed and specified for use in these types of environment to avoid
cable failure.

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Installing the SIM Card
All GX Series gateways except the GX400 for Sprint and Verizon networks require
a SIM card. If the SIM card has not already been installed by your Mobile Network
Operator, install the SIM card before installing or connecting any external
equipment or power to the AirLink gateway.
To install a SIM card, you need:
•SIM card for your account (provided by your Mobile Network Operator)
•2 mm Allen (hex) wrench or a Phillips #1 screwdriver, depending on the screw
type used on the black decorative cover
•If your GX Series gateway has a Serial I/O X-Card installed:
·Small adjustable torque wrench
·4 mm nut driver or socket that works with the torque wrench
•If your GX Series gateway has a Wi-Fi X-Card installed:
·Small adjustable torque wrench
·8 mm socket—long enough to fit over the SMA antenna connector
The procedure for installing a SIM card varies depending on whether or not the
GX Series gateway has an X-Card installed, and if so, the type of X-Card present.
Follow the appropriate instructions for your gateway:
•Installing the SIM Card—No X-Card present on page 17
•Installing the SIM Card—Wi-Fi X-Card present on page 18
•Installing the SIM Card—I/O X-Card present on page 21
•Installing the SIM Card—Dual Ethernet X-Card present on page 24

Installation and Startup
Rev 8 Nov.15 17
Installing the SIM Card—No X-Card present
Figure 2-1: SIM Card Installation, with no X-Card present
1) Remove the four screws attaching the cover.
2) Remove the cover.
3) Slide the SIM card
into the SIM card holder.
Note the direction of notched
4) Use the screws you saved in step 1 to reattach the cover. Torque the screws to 5 in-lb. (0.6 N-m).
corner of SIM card for
proper alignment.
Save the screws for reinstallation.

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Installing the SIM Card—Wi-Fi X-Card present
Important: Failure to follow these instructions carefully may damage the X-Card and
void the warranty agreement.
To install a SIM card in a GX Series gateway with a Wi-Fi X-Card installed:
1. Unscrew the 8 mm hexagonal nut on the Wi-Fi SMA antenna connector at the
front of the gateway, using the socket and wrench. Then slide off the nut and
lock washer. Save the nut and washer. These are used again.
2. Remove the four screws used to secure the black decorative cover. Use a
2 mm Allen (hex) wrench or a Phillips #1 screwdriver, depending on the screw
type used on the black decorative cover. Save the screws for reinstallation.
Figure 2-2: Removing the screws, nut and washer (Wi-Fi X-Card installed)
3. Gently tilt up the back of the decorative black cover and then move the cover
forward so that it slides over the Wi-Fi SMA antenna connector.
lock washer
hexagonal nut
SMA antenna connector

Installation and Startup
Rev 8 Nov.15 19
Figure 2-3: Tilting the cover (Wi-Fi X-Card installed)
4. Continue to slide the cover horizontally until it clears the SMA antenna
connector.
Figure 2-4: Removing the cover (Wi-Fi X-Card installed)
5. Lift the cover to remove it completely. Save the cover. It is used later.
6. Insert the SIM card, with the gold contacts facing down and the notch on the
right side, as shown in the following illustration.
Wi-Fi SMA antenna

AirLink GX Series Hardware User Guide
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Figure 2-5: Inserting the SIM card (Wi-Fi X-Card installed)
7. Ensure the black gasket is in place at the base of the SMA antenna
connector.
8. 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.
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. You may need to push
from the front as well to ensure that the holes line up properly.
9. Use the 4 screws saved in step 2 to re-attach the decorative black cover.
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.
Note the direction of notched
corner of SIM card for
proper alignment.
black gasket