Sierra Wireless FX30S User manual

Sierra Wireless FX30S
User Guide
41110485
Rev 2

Sierra Wireless FX30S User Guide
Rev 2 Mar.18 2 41110485
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,
operating such communications devices while in control of a vehicle is an offence.
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 MMP Portfolio Licensing.
Copyright © 2018 Sierra Wireless. All rights reserved.
Trademarks Sierra Wireless®, Legato®, and the Sierra Wireless logo are registered
trademarks of Sierra Wireless.

Preface
Rev 2 Mar.18 3 41110485
Windows®is a registered trademarks of Microsoft Corporation.
Linux®is the registered trademark of Linus Torvalds in the U.S. and other
countries.
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.
Contact
Information
Sales information and technical
support, including warranty and returns
Web: sierrawireless.com/company/contact-us/
Global toll-free number: 1-877-687-7795
6:00 am to 5:00 pm PST
Corporate and product information Web: sierrawireless.com

Rev 2 Mar.18 4 41110485
Contents
Introduction to the FX30S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation and Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Tools and Materials Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Step 1—Insert the SIM Card and Optional IoT Card . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Step 2—Mount and Ground the FX30S Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Flat Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Optional—Mounting in a High Vibration Environment . . . . . . . . . . . . . . . . . . . . . . .14
Mounting on a DIN Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Replacing existing Fastrack Supreme or Fastrack Xtend Device . . . . . . . . . . . . . .16
Step 3—Connect the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Step 4—Connect the Data Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Cabling Concerns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Cable Strain Relief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Step 5—Connect the Power and I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Power and I/O Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
I/O Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Step 6—Check the FX30S operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
LED Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Contents
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Step 7—Use the FX30S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Set the Serial Port Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Default port settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Setup for AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Using the FX30S as a USB modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Using the FX30S as an Embedded Platform for IoT Applications . . . . . . . . . . . . . . 34
AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Linux Shell Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Legato Application Framework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Interface Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Managing the I/O Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
AirVantage IoT Platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Reset to Factory Default Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Radio Frequency Bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Radio Module Conducted Transmit Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Power Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
OFF Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Ultra Low Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Active Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Power Consumption. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
WP Radio Module Interface Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Internet of Things (IoT) Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
For IoT Expansion Card Developers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Pin-out Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
IoT Connector Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Important Information for North American Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
RF Exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
EU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

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Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
DC Power Cable (Black Connector) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
AC Power Adapter (Black Connector) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
AC Power Adapter Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
AC Power Adapter Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Reliability and Quality Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
EMC Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Hazardous Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Energy Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Using the FX30S as a USB Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
RS485 Python Script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

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1
1: Introduction to the FX30S
The Sierra Wireless®FX30S, a small, rugged, programmable Internet of Things (IoT)
gateway, runs the secure Legato®Application Framework, and a long-term support
Linux®operating system. You can use the FX30S as a simple USB modem, but its full
potential is realized when you use it as an embedded cellular platform for IoT
applications. With Serial, USB, I/O interfaces, and IoT Expansion cards, the FX30S
can connect to many machines and infrastructures. The Linux-based Legato
framework enables you to use efficient low-level C programming to write IoT
applications for any connected machine.
Key Features
•Penta-band HSPA+
•RS232/RS-485 Serial port
•USB 2.0
•mini-SIM slot
•Three configurable I/Os
•Internet of Things (IoT) slot
•GNSS (GPS/Galileo/GLONASS)
•Legato support
•Ultra low power mode

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Figure 1-1: FX30S Connectors, LEDs and SIM Card Holder
Power Modes
FX30S has three power modes:
•Off
•Ultra Low Power
•Active
For more information on power modes and power consumption, see Power
Modes on page 56 and Power Consumption on page 58.
Accessories
The following items come with the FX30S gateway:
•DC power cable
•Mounting bracket
You can order the following items separately from Sierra Wireless:
•Universal AC power adapter
·Voltage input: 100– 240 VAC
·Current output: 1.5 A
•Compatibility bar (useful if you are replacing a Fastrack Supreme or a
Fastrack Xtend)
•Range of GNSS and cellular antennas
Power Connector
(See Power Connector
on page 21.)
SIM card/IoT card holder
(See Install SIM card and IoT card on page 10.)
Cellular Antenna Connector
USB 2.0 Micro-B Port
(See Connect the Antennas on page 18.)
(See Connect the Data Cables on.page 20)
RS232/RS-485 Serial Port
GNSS Antenna Connector
LEDs (See LED Behavior on page 31.)
Push Button
(See External Push Button
on page 59.)

Introduction to the FX30S
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Commonly available standard accessories you may want:
•35 mm DIN rail clips
Warranty
The FX30S comes with a 3-year warranty.
Reference Documents
Document
Number
Title Location
4116440 WP75xx/WP8548 Product Technical Specification source.sierrawireless.com
4118047 WPx5xx AT Command Reference source.sierrawireless.com
4117166 IoT Expansion Card Design Specification http://mangoh.io
n/a Legato information legato.io

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2
2: Installation and Startup
This chapter shows how to connect, install and start the Sierra Wireless FX30S. It
also describes the front panel LEDs and I/O functionality.
Note: The FX30S must be installed by a qualified technician.
Tools and Materials Required
•mini-SIM card (provided by your mobile network operator)
•#1 Phillips screwdriver
•Laptop computer
•AC adapter or DC power cable
•micro-B USB cable
•Cellular antenna
•Optional:
·GNSS antenna
·9-pin connection cable for the RS232 port
Installation Overview
The steps for a typical installation are:
1. Insert the SIM card and optional IoT Expansion card.
2. Mount and ground the FX30S.
3. Connect the antennas.
4. Connect the data cables.
5. Connect the power and I/O.
6. Check the FX30S operation.
7. Use the FX30S.
The following sections describe these steps in detail. Read these sections carefully
before performing the installation.
Step 1—Insert the SIM Card and Optional
IoT Card
The Sierra Wireless FX30S has one mini-SIM (2FF) card slot.
If the SIM card has not already been installed, insert the SIM card into the gateway
before connecting any external equipment or power to the FX30S.

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To install the SIM card:
1. Use a Phillips screwdriver to remove the cover.
2. Orient the SIM card, as shown in Figure 2-1. The gold contacts on the SIM
card face up.
3. Gently slide the SIM card into the slot until it clicks into place.
To remove the SIM card, press it in, and release it. Gently grip the SIM card
and pull it out.
Figure 2-1: Installing the SIM card
4. Replace the cover.
The FX30S has a slot for an Internet of Things (IoT) Expansion card that provides
a standard hardware interface for sensors, network adapters and other IoT
technologies. Using Legato, you can design host applications for the IoT
Expansion Card. For more information, see Internet of Things (IoT) Expansion
Card on page 62.
To install an IoT Expansion card:
1. Use a Phillips screwdriver to remove the SIM card/IoT Expansion card cover.
2. Orient the IoT Expansion card as shown in Figure 2-2 and slide the card into
the IoT slot.
3. Replace the cover.
Note the location of the notch

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Figure 2-2: Installing the IoT Expansion card
Step 2—Mount and Ground the FX30S
Chassis
You can flat mount the FX30S or mount it on a DIN rail. An optional compatibility
bar allows you to use existing mounting holes if you are replacing a Fastrack
Supreme or a Fastrack Xtend programmable gateway. See Replacing existing
Fastrack Supreme or Fastrack Xtend Device on page 16.
Mount the FX30S where:
•There is easy access for attaching the cables.
•Cables will not be constricted, close to high amperages, or exposed to
extreme temperatures.
•The front panel LEDs are easily visible.
•There is adequate airflow.
•It is away from direct exposure to the elements such as sun, rain, dust, etc.
You can mount the FX30S:
•On a flat surface (page 13)
•On a DIN Rail (page 16)

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Flat Mount
To mount the FX30S on a flat surface:
1. Attach the bracket to the mounting surface, using the attachment points
shown in Figure 2-3.
Figure 2-3: Mounting Bracket, showing attachment points
2. Snap or slide the FX30S onto the bracket.
Figure 2-4: Attaching the FX30S to the bracket
Attachment point
Attachment point
Attachment point
1
2
Recommended: Snap the gateway onto the bracket. Alternative: If access space is limited, slide the gateway onto the bracket.

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Optional—Mounting in a High Vibration
Environment
If you are mounting the FX30S in a high vibration area, Sierra Wireless strongly
recommends using two nylon cable ties to secure the FX30S on the bracket.
To secure the FX30S on the bracket:
1. Thread the ties into the holes on one side of the bracket and out the holes on
the other side of the bracket, as shown in Figure 2-5 on page 14.
Figure 2-5: Inserting the cable ties
2. Wrap the ties around the FX30S and insert the pointed ends of the ties into
the blunt ends.

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Figure 2-6: Inserting the ends of the ties
3. Tighten and secure the ties around the FX30S and trim off the excess length
of the ties.
Figure 2-7: Cable ties tightened and trimmed
4. You are now ready to flat mount the FX30S in a high vibration environment. If
you are mounting it on a DIN rail, see Mounting on a DIN Rail on page 16.

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Mounting on a DIN Rail
To mount the FX30S in a DIN rail:
1. Attach the DIN rail clips to the bracket as shown in Figure 2-8.
If you are mounting the FX30S on its edge, attach one DIN rail clip to the side
of the bracket.
If you are mounting the FX30S horizontally or vertically, attach two DIN rail
clips to the bottom of the bracket.
Figure 2-8: Attaching the DIN rail clips
2. Slide or snap the FX30S onto the bracket, as shown in Figure 2-4.
3. If the DIN rails are in a high vibration environment, see Optional—Mounting
in a High Vibration Environment on page 14.
4. Attach the FX30S to the DIN Rail. See Figure 2-8.
Replacing existing Fastrack Supreme or
Fastrack Xtend Device
If you are going to be mounting the FX30S in a location where you previously had
a Fastrack Supreme or a Fastrack Xtend mounted, attach the compatibility bar to
the bracket. The compatibility bar is available from Sierra Wireless.
Note: Adding the compatibility bar does not change the height of the gateway + mounting
bracket. See Figure 3-4 on page 55.
For this orientation, attach one DIN
rail clip to the side of the bracket. For these orientations, attach two DIN rail clips to the bottom of the bracket.

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To attach the compatibility bar to the bracket:
1. Note the large and small raised tabs on the bracket. Each tab has a small
hole in the center of the raised portion. Also note the large and small rectan-
gular openings in the compatibility bar. See Figure 2-9.
Figure 2-9: Mounting bracket and compatibility bar
2. Orient the mounting bracket and the compatibility bar as shown in
Figure 2-10.
Figure 2-10: Mounting bracket and compatibility bar orientation
3. Place the compatibility bar on top of the bracket, so that the tabs on the
bracket are inside the openings in the bar, and slide the bar into place. When
fully secure, the knobs on the bar should be inside the small holes on the
tabs.
Mounting bracket Compatibility bar
Small raised tab
Small opening
Large opening
Small raised knobs
Large raised tab
with small hole
with small hole

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Figure 2-11: Attaching the compatibility bar
4. The mounting holes in the adapter bar match the existing mounting holes for
the Fastrack Supreme or Fastrack Xtend.
For DC installations (with a fixed “system” ground reference), Sierra Wireless
recommends always grounding the FX30S chassis to this system ground
reference.
To ensure a good grounding reference, attach the FX30S to a grounded metallic
surface.
Step 3—Connect the Antennas
Warning: This gateway is not intended for use close to the human body. Antennas
should be at least 8 inches (20 cm) away from the operator.
The FX30S has two SMA female antenna connectors:
•Cellular antenna connector
•GNSS antenna connector
GNSS bias supports 3.15 V antennas
For regulatory requirements concerning antennas, see Maximum Antenna Gain
on page 64.
Note: The antenna should not exceed the maximum gain specified in RF Exposure on
page 64. In more complex installations (such as those requiring long lengths of cable and/
or multiple connections), you must follow the maximum dBi gain guidelines specified by the
radio communications regulations of the Federal Communications Commission (FCC),
Industry Canada, or your country’s regulatory body.
Raised flaps
Mounting bracket
Compatibility bar
Raised knobs
Mounting holes

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To install the antennas:
Note: Take extra care
when attaching the
antennas to the SMA
connectors. Finger tight
(approximately 0.6–0.8
Nm 5–7 in-lb.) is sufficient
and the max torque should
not go beyond 1.1 Nm
(10 in-lb.).
1. Connect the cellular antenna to the SMA cellular antenna connector.
Mount this antenna so there is at least 20 cm between the antenna and the
user or bystander.
2. If used, connect a GNSS antenna to the SMA GNSS antenna connector.
Mount the GNSS antenna where it has a good view of the sky (at least 90°).
Note: If the antennas are located away from the gateway, keep the cables as short as
possible to prevent the loss of antenna gain. Route the cables so that they are protected
from damage and will not be snagged or pulled on. There should be no binding or sharp
corners in the cable routing. Excess cabling should be bundled and tied off. Make sure the
cables are secured so their weight will not loosen the connectors from the gateway over
time.
Figure 2-12: Antenna Connectors
Cellular antenna connectorGNSS antenna connector

Sierra Wireless FX30S User Guide
Rev 2 Mar.18 20 41110485
Step 4—Connect the Data Cables
The FX30S has two ports for connecting data cables:
•USB (Micro-B)
•Serial (DB9)
Figure 2-13: Connectors for data cables
Cabling Concerns
Separate the antenna, data, and power cables from other wiring and route away
from sharp edges.
Cable Strain Relief
Sierra Wireless recommends using cable strain relief for installations in high-
vibration environments.
Place the cable strain relief within 200 mm (8") of the FX30S to reduce the mass of
cable supported by the power connector under vibration. Ideally, the strain relief
mounting for the DC cable should be attached to the same object as the gateway,
so both the gateway and cable vibrate together. The strain relief should be
mounted such that it does not apply additional stress on the power connector, i.e.
the cable should not be taut and should not pull the power connector at an angle.
USB Serial