MultiModemTM CDMA
External Wireless Modem
(Data/Fax/Voice)
MTCBA-C
User Guide
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Contents
CHAPTER 1: DESCRIPTION AND SPECIFICATIONS......................................................................................4
PRODUCT DESCRIPTION ..............................................................................................................................................4
Basic Package ....................................................................................................................................................................... 4
Bundled Package................................................................................................................................................................... 4
APPLICATION OVERVIEW............................................................................................................................................6
SPECIFICATIONS..........................................................................................................................................................8
CHAPTER 2: INSTALLATION..............................................................................................................................11
MECHANICAL MOUNTING.........................................................................................................................................11
ELECTRICAL INSTALLATION & CONFIGURATION ......................................................................................................13
MOBILE PHONETOOLS ..............................................................................................................................................15
DIRECT MODEM INSTALLATION................................................................................................................................15
VERIFYING SIGNAL STRENGTH .................................................................................................................................15
VERIFYING NETWORK REGISTRATION ......................................................................................................................15
TESTING THE CONFIGURATION .................................................................................................................................16
CHAPTER 3: TROUBLESHOOTING...................................................................................................................17
SITUATION A: THE MODEM DOES NOT ANSWER THROUGH THE SERIAL LINK .............................................................17
SITUATION B: THE MODEM ALWAYS RETURNS «ERROR» WHEN TRYING TO ISSUE A COMMUNICATION ....................18
SITUATION C: THE MODEM ALWAYS RETURNS «NO CARRIER» WHEN TRYING TO ISSUE A COMMUNICATION ............19
CHAPTER 4: SAFETY ............................................................................................................................................20
GENERAL SAFETY.....................................................................................................................................................20
VEHICLE SAFETY ......................................................................................................................................................20
MAINTENANCE OF YOUR MODEM.............................................................................................................................21
YOUR RESPONSIBILITY .............................................................................................................................................21
CHAPTER 5: WARRANTY & REPAIRS POLICIES ........................................................................................22
CHAPTER 6 - REFERENCE INFORMATION....................................................................................................24
WIRELESS MODEM REFERENCE INFO........................................................................................................................24
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Chapter 1 - Description and Specifications
Chapter 1: Description and Specifications
Product Description
The Multi-Tech MultiModem CDMA is an external data/fax/voice wireless modem. It also supports mobile
originated short message service (SMS) and mobile-terminated SMS. Designed for global use, it offers
standards-based multi-band CDMA2000 1x performance. This ready-to-deploy, standalone modem allows
developers to add wireless communication to products with a minimum of development time and expense. The
MultiModem CDMA is based on industry-standard open interfaces, and can be desktop or panel mounted.
Package Contents
Basic Package
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one modem
two holding bridles (mounting brackets)
one fused power cable
one Quick Start Guide
Bundled Package
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All Basic Package items except the fused power cable, plus
one RS232 15-to-9 pin cable
four adhesive-backed rubber feet for table-top mounting
one antenna
one universal power supply with power cord
one product CD
Interfaces
The Wireless MultiModem has several interfaces:
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LED function indicating operating status
External antenna (via SMA connector)
Serial and control link (via 15 pins SUB D)
Power supply (via 2.5mm miniature power jack)
Parts to be Supplied by End User
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Mounting screws (screw shaft diameter = .17” max.)
Antenna
The Wireless MultiModem is shipped with an antenna suited for it. However, if the antenna supplied does not
meet your application requirements (for size, shape, mounting style, etc.), you must supply an antenna
yourself. In general, the antenna used must be both of the correct frequency and of a style appropriate to
the application. See the Antenna/RF Specifications section below.
Antenna/RF Specifications
CDMA 800
CDMA 1900
824 to 894 MHz
1850 to 1990 MHz
Frequency
Impedance
VSWR
50 ohms
<1.5
Typical Radiated
Gain
0 dBi on azimuth plane
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Chapter 1 - Description and Specifications
AT Command Info
AT commands for the CDMA wireless modem are published in a separate Reference Guide included on
the product CD and posted on the Multi-Tech web site.
Phone Number for the Wireless Modem
Every wireless modem will have its own unique phone number.
Network Access
The network access arrangements to be specified in Windows Dial-Up Networking (of the computer that
the wireless modem is serving) will vary according to the type of wireless service used.
•
For point to point data, a circuit-switched data connection is used. The user can set up DUN to make
a conventional V.32bis modem connection to any terminating modem at the other end. The phone
number specified in DUN can be one supplied by the wireless service provider or another phone
number related to a different dialup modem service (e.g., a dialup modem service phone number from
any commercial or private dialup network).
•
For CDMA 1x data, a single DUN number is generally used by all of a wireless provider’s subscribers
throughout its area of coverage (regional, nationwide, continental, etc.). Rather than being a literal
phone directory number, as in conventional DUN, this is a code that gives the modem Internet
access.
Features
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CDMA2000 1xRTT operation
Dual-band 800/1900 CDMA
800 MHz with R-UIM support
Class 2.0 Group 3 FAX
Desktop or panel mounting
Short Message Service features including SMS mobile originated, SMS mobile
terminated, cell broadcast, Over the Air Activation (OTA), OTASP, OTAPA
Voice features include DTMF, telephony, OCELP 13K, echo cancellation
SMA antenna connector
Serial interface supports DTE speeds to 230K
AT command compatible
CDMA IS-95-A, IS-95B; backwards compatible
Packet data up to 153K bps forward and reverse
Circuit-switched data up to 14.4K bps
Phone book management and Personal Information Management (PIM)
Fixed dialing number
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Supplementary services including call forwarding, call barring, multiparty, call
waiting and call hold, calling line identification, closed user group, call transfer
Numerous LEDs present operational status
Real time clock
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Alarm management
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Chapter 1 - Description and Specifications
Application Overview
Application Types
With packet data speeds up to 153K bps, the MultiModem CDMA is targeted at applications that periodically
need to send or receive data over a wireless network. It is an ideal solution for:
Appliances
Remote Diagnostics
Remote Metering
ATM Terminals
Automotive
Security Systems
Data Collection
Gas Pumps
Vending/Gaming Machines
Other devices requiring wireless
connectivity.
Industrial and Medical Remote
Monitoring Systems
Note: The Wireless MultiModem
must be mounted with at least 8
inches (20 cm) of clearance from the
human body.
RS2 3 2
Wireless MultiModem used in
remote ATM application.
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Chapter 1 - Description and Specifications
Benefits/Features in Applications
Short Development Time. The MultiModem CDMA can make your existing and next generation device,
machine, or system, communication-ready without requiring any hardware changes to its design. It actually
provides faster time-to-market because it relieves the burden and expense of obtaining network and RF
approvals. This complete, ready-to-deploy wireless modem allows you to enhance your product while you
focus on developing its core features.
Voice Features. The MultiModem CDMA provides telephony and Dual Tone Multi Frequency (DTMF)
functionality as well as QCELP (13K) and echo cancellation.
Short Message Services. The MultiModem CDMA offers SMS features such cell broadcast, Over the Air
Activation (OTA), OTASP, and OTAPA. The MultiModem CDMA is SMS Mobile Originated and SMS Mobile
Terminated.
Compatible Supplementary Services. The MultiModem CDMA is compatible with supplementary services
such as call forwarding, call barring, multiparty, call waiting and call hold, calling line identification, closed user
group and call transfer.
Management Features. The MultiModem CDMA provides advanced management features including phone
book management, fixed dialing number, real time clock and alarm management.
Industry-standard Modem Commands. The MultiModem CDMA provides industry-standard AT-style
commands for ease of integration into your existing software application.
Industrial Chassis. The MultiModem CDMA is packaged in a rugged, water resistant, industrial chassis. The
chassis has an RS-232 DE-15 Voice/Data interface connector and a permanent screw-type power connector. It
also has an SMA antenna connector. The chassis can be side-mounted on a panel or top-mounted on a
desktop or other surface. A set of LEDs indicate the modem’s operational status.
Functions – CDMA Modes
MODE
DESCRIPTION
Standard
Dual Band 800/1900 CDMA
Interface
Serial interface RS232. V.24/V.28 Autobauding
function. AT command set based on TIA/EIA/IS707.3,
V.25ter and GSM 07.05 & 07.07
SMS
Data
Mobile Originated (MO) and Mobile Terminated (MT),
Over the Air Activation (OTA), OTASP, and OTAPA.
Asynchronous 2400, 4800, 9600 and 14400 bps.
Data Transparent and Non Transparent modes.
Mode 3.1 KHz (PSTN) and V110 (ISDN).
2400/4800/7200/9600 bps
Fax
Class 2. Group 3 compatible.
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Chapter 1 - Description and Specifications
Specifications
General Specifications
Power Requirements
5 V to 32VDC; 400mA Average @5V,
700mA Maximum @ 5V
Mechanical Dimensions &
Weight
Connectors & Fasteners
4.3" w x 2.4" h x 0.94" d; 4.2 oz.
(11 cm x 6.1 cm x 2.4 cm; 120 g)
Antenna Connection type: SMA jack
Serial Connector: 15-pin RS232 SUB D
female (DE15S)
Pins: RS232 link, audio link, RESET
Power Connector: 2.5mm miniature power
jack
Operating Temperatures
Certifications
-30 to +70°C
EMC: FCC Part 2, 15, 22, 24, EN 55022 &
EN 55024
Safety: UL 60950, EN 60950
Switching the modem
on/off
The device is permanently powered (when
connected to the power supply).
Voltage Range
Voltage range: 5 to 32V DC
GND : 0V
Overvoltage and
Undervoltage
Correct operation of the Wireless
MultiModem in communication mode
is not guaranteed if input voltage falls
below 5V.
INSTALLATION/ START- UP
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Chapter 1 - Description and Specifications
Input/output electrical characteristics for external connections
800 MHZ
1900 MHZ
Parameters
Unit
Typ.
13.2
230
Typ
13.2
240
Input Supply Voltage
Input supply current in
comm. mode at full Tx
power
5
600
32
100
5
650
32
100
V
mA
Input supply current in
comm. mode at full Tx
power
240
50
100
20
50
20
250
50
100
20
50
20
mA
mA
Input supply current at idle
LED Indicators
Lit when modem is transmitting data.
Lit when modem is receiving data.
Lit when data connection has been
established.
TD. Transmit Data.
RD. Receive Data.
CD. Carrier Detect.
LS. Line Status.
Continuous “on” state indicates that
the wireless modem is not registered on
the network.
Flashing state indicates registration on
network.
Off state. Modem is off (not ready) or in
download mode.
Commonly called “Data Terminal Ready.”
This is a readiness signal from the PC.
Indicates presence of DC power when lit.
TR. Terminal Ready.
PWR. Power.
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Chapter 1 - Description and Specifications
RS232 15-Pin Connector Pinout
5
1
10
6
15
11
PIN
1
6
EIA
DCD
RX
CCIT
109
104
Designation
Data Carrier Direct
Receive Data (out)
Transmit Data
2
TX
103
8
9
7
12
11
13
4
DTR
GND
DSR
RTS
CTS
RI
108.2
Data Terminal Ready
Signal Ground
Data Set Ready
Request to Send
Clear to Send
RS 232
107
105
106
125
Ring Indicator
MICROPHONE
(+)
Audio
Reset
5
MICROPHONE (-)
SPEAKER (+)
SPEAKER (-)
RESET
10
15
14
To reset, connect to GND
momentarily. Open for
normal operation.
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Chapter 2 - Installation
Chapter 2: Installation
Mechanical Mounting
To mount the Wireless MultiModem, do the following:
1. Obtain mounting screws (two are needed) that are appropriate for the
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Chapter 2 - Installation
3. Slide the mounting bridles into the corresponding slots on the back side of the MultiModem chassis.
4. Attach the MultiModem with two screws to the mounting surface at the desired location on the equipment.
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Chapter 2 - Installation
Electrical Installation & Configuration
The wireless MultiModem requires the power supply connection to begin operation. To install the modem, do
the following:
1. Connect a suitable antenna to the SMA connector (see “Antenna/RF Specifications” on page 4).
Antenna Connector
(SMA type)
2. Connect both ends of the serial and control cable (15-pin Sub D connector on the modem end).
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Chapter 2 - Installation
3. Plug the power supply cable into the wireless Multimodem.
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Chapter 2 - Installation
Mobile PhoneTools
For initial configuration of your wireless device, Multi-Tech offers a Windows based mobile PhoneTools
application.
To load mobile PhoneTools, click on the mobile PhoneTools icon on your MultiModem CD and follow the on-
screen prompts.
Direct Modem Installation
To install the Wireless MultiModem directly into the computer's Windows OS so it is independent of the mobile
Phonetools program, use the "Add Modem" command or equivalent for your OS. During this installation, you will
need to browse to the MultiModem's INF file (using the “Have Disk” option in the installation process). This INF
file is in the root directory of the Product CD.
Verifying Signal Strength
The Wireless MultiModem establishes a call if the signal is sufficiently strong. To verify the signal
strength, do the following:
1. Using the Hyperterminal program at the computer to which the Wireless MultiModem is connected, type
the AT command AT+CSQ. A value for the received signal strength will be returned.
2. Verify the result with the following chart:
Signal Strength Verification
Value of signal strength
Signal strength
(AT+CSQ response) (RSSI)
10 - 31
0 - 9
99
Sufficient
Weak or Insufficient
Insufficient
Verifying Network Registration
In this procedure, you will verify that the Wireless MultiModem has been registered on the wireless network.
To do so, you will use the common communications program Hyperterminal.
1. Using the Hyperterminal program at the computer to which the Wireless MultiModem is connected, type
the AT command AT+CREG?
A value for the modem’s network registration status will be returned.
2. Verify the result with the following chart:
Network Registration Verification
Value
0, 1
Network Registration Status
Yes
0, 5
Yes
(registered roaming)
Note: If the modem is not registered, perform the procedure for Verifying Signal Strength to determine the
strength of the received signal.
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Chapter 2 - Installation
Testing the Configuration
Description
AT
Response Returned
Comments
Commands
AT+CPIN
=1234
OK
PIN Code accepted
Incorrect PIN Code
PIN already entered (with +CMEE : 1 mode)
modem synchronized on the network
synchronization lost, re-synchronization
attempt
Enter PIN Code
+CME ERROR : 16
+CME ERROR : 3
CREG = <mode>, 1
CREG = <mode>, 2
AT + CREG ?
Module synchro
checking
CREG = <mode>, 0
Modem not synchronized on network. No
synchronization attempt
Receiving an
incoming call
RING
OK
ATA
Answer the call.
ATD1234;
Don’t forget the “;” at the end for “voice”
calls.
Initiate a call
OK
Communication established
PIN Code not entered (with +CMEE : 1
mode)
CME ERROR :11
CME ERROR :3
AOC credit (Advice of Charge tells the user
how much a call will cost) has been
exceeded or a communication is already
established.
Initiate an
emergency call
Communication
loss
ATD112;
OK
Don’t forget the “;” at the end for “voice”
calls.
NO CARRIER
Hang up
ATH
OK
OK
Store the
parameters in non-
volatile memory
AT&W
The communications program has saved the
configuration settings in non-volatile
memory.
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Chapter 3 - Troubleshooting
Chapter 3: Troubleshooting
Situation A: The modem does not answer through the serial link
If the Wireless MultiModem does not answer through the serial link upon an attempted transmission of data or
voice signals, see the table below for possible causes and solutions.
Solutions for ‘no connection through serial link’ situation
If the modem
Then ask …
Action
returns …
(nothing)
Is the modem powered correctly?
Provide a power supply in the range of 5 to
32Vdc.
Is the serial cable properly connected to Connect cable per step 2 of the ”Electrical
the modem and PC sockets?
Installation and Configuration” procedure.
Verify cable pinout per”RS232 15-Pin
Connector Pinout” table, esp Rx & Tx
connections.
Verify reception & transmission.
Is the communication program
properly configured?
In communications program, verify that
modem parameters have been set to
the values shown here:
Data Bits = 8
Parity = none
Stop Bits = 1
Baud = 115200 bps
Is another program interfering with
the communication program?
Close any such application program.
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Chapter 3 - Troubleshooting
Situation B: The modem always returns «Error» when trying to
issue a communication
If the Wireless MultiModem returns a message of error upon an attempted transmission of data or voice
signals, see the table below for possible causes and solutions.
Solutions for “error” message situations
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Chapter 3 - Troubleshooting
Situation C: The modem always returns «No carrier» when
trying to issue a communication
Solutions for “no carrier” message
Then ask …
If the modem
returns …
Action
no carrier(esp. for
data communi-
cation)
Is the selected
bearer type
supported by the
called party?
Type AT+CEER to view the extended error code
(see “Extended Error Report (+CEER) in the AT
Command guide).
Be sure that the selected bearer type is supported
by the called party.
Is the selected
bearer type
supported by the
network?
Be sure that the selected bearer type is supported
by the network.
If no success, try bearer selection type:
AT+CBST=0,0,3
If the modem
returns
Then ask …
Action
no carrier
(esp. for voice
communi-cation)
Be sure that the semicolon character (“;”) is typed
immediately after the phone number in the AT
command; e.g., ATD######;
type AT+CBST=0,0,3
Is the received
signal strong
enough?
See “Signal Strength Verification”.
Is the antenna
properly
See “Antenna/RF Specifications”.
connected?
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Chapter 4 - Safety
Chapter 4: Safety
General Safety
The modem is designed for and intended to be used in fixed and mobile
applications. “Fixed” means that the device is physically secured at one
location and is not able to be easily moved to another location. “Mobile”
means that the device is designed to be used in other than fixed locations
and generally in such a way that a separation distance of at least 20 cm (8
inches) is normally maintained between the transmitter’s antenna and the
body of the user or nearby persons. The Modem is not designed for or
intended to be used in portable applications (within 20 cm. or 8 in. of the
body of the user) and such uses are strictly prohibited.
It is important to follow any special regulations regarding the use of radio equipment due in particular to the
possibility of radio frequency, RF, interference. Please follow the safety advice given below carefully.
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Switch OFF your Wireless MultiModem when in an aircraft. The use of cellular telephones in an aircraft may
endanger the operation of the aircraft, disrupt the cellular network and is illegal. Failure to observe this
instruction may lead to suspension or denial of cellular telephone services to the offender, or legal action or
both.
•
Switch OFF your Wireless MultiModem when around gasoline or diesel-fuel pumps and before filling your
vehicle with fuel.
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Switch OFF your Wireless MultiModem in hospitals and any other place where medical equipment may be in
use.
Respect restrictions on the use of radio equipment in fuel depots, chemical plants or where blasting
operations are in progress.
There may be a hazard associated with the operation of your Wireless MultiModem close to inadequately
protected personal medical devices such as hearing aids and pacemakers. Consult the manufacturers of
the medical device to determine if it is adequately protected.
•
Operation of your Wireless MultiModem close to other electronic equipment may also cause interference if
the equipment is inadequately protected. Observe any warning signs and manufacturers’ recommendations.
Vehicle Safety
•
Do not use your Wireless MultiModem while driving, unless equipped with a correctly installed vehicle kit
allowing ‘Hands-Free’ Operation.
•
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Respect national regulations on the use of cellular telephones in vehicles. Road safety always comes first.
If incorrectly installed in a vehicle, the operation of Wireless MultiModem telephone could interfere with the
correct functioning of vehicle electronics. To avoid such problems, be sure that the installation has been
performed by qualified personnel. Verification of the protection of vehicle electronics should be part of the
installation.
•
The use of an alert device to operate a vehicle’s lights or horn on public roads is not permitted.
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Chapter 4 - Safety
Maintenance of Your Modem
Your Wireless MultiModem is the product of advanced engineering, design and craftsmanship and should be
treated with care. The suggestions below will help you to enjoy this product for many years.
•
Do not expose the Wireless MultiModem to any extreme environment where the temperature or humidity is
high.
•
•
•
Do not attempt to disassemble the Wireless MultiModem. There are no user serviceable parts inside.
Do not expose the Wireless MultiModem to water, rain or spilt beverages. It is not waterproof.
Do not abuse your Wireless MultiModem by dropping, knocking, or violently shaking it. Rough handling can
damage it.
•
•
•
Do not place the Wireless MultiModem alongside computer discs, credit or travel cards, or other magnetic
media. The information contained on discs or cards may be affected by the phone.
The use of accessories not authorized by Multi-Tech or not compliant with Multi-Tech's accessory
specifications may invalidate the warranty of the Wireless MultiModem.
In the unlikely event of a fault in the Wireless MultiModem, contact Multi-Tech’s Tech Support.
Your Responsibility
This Wireless MultiModem is your responsibility. Please treat it with care respecting all local regulations. It is not a
toy. Therefore, keep it in a safe place at all times and out of the reach of children.
Try to remember your Unlock and PIN codes. Become familiar with and use the security features to block
unauthorized use and theft.
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Chapter 5 – Warranty & Repair Policies
Chapter 5: Warranty & Repairs Policies
Multi-Tech Warranty Statement
Multi-Tech Systems, Inc., (hereafter “MTS”) warrants that its products will be free from defects in material or
workmanship for a period of two, five, or ten years (depending on model) from date of purchase, or if proof of
purchase is not provided, two, five, or ten years (depending on model) from date of shipment.
MTS MAKES NO OTHER WARRANTY, EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED.
This warranty does not apply to any products which have been damaged by lightning storms, water, or power surges
or which have been neglected, altered, abused, used for a purpose other than the one for which they were
manufactured, repaired by Customer or any party without MTS’s written authorization, or used in any manner
inconsistent with MTS’s instructions.
MTS’s entire obligation under this warranty shall be limited (at MTS’s option) to repair or replacement of any products
which prove to be defective within the warranty period or, at MTS’s option, issuance of a refund of the purchase price.
Defective products must be returned by Customer to MTS’s factory — transportation prepaid.
MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES, AND UNDER NO CIRCUMSTANCES WILL ITS
LIABILITY EXCEED THE PRICE FOR DEFECTIVE PRODUCTS.
Repair Procedures for U.S. and Canadian Customers
In the event that service is required, products may be shipped, freight prepaid, to our Mounds View, Minnesota
factory:
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, MN 55112
Attn: Repairs, Serial # ____________
A Returned Materials Authorization (RMA) is not required. Return shipping charges (surface) will be paid by MTS to
destinations in U.S. and Canada.
Please include, inside the shipping box, a description of the problem, a return shipping address (must have street
address, not P.O. Box), your telephone number, and if the product is out of warranty, a check or purchase order for
repair charges.
For out of warranty repair charges, go to www.multitech.com/DOCUMENTS/Company/warranty/
Extended two-year overnight replacement service agreements are available for selected products. Please call MTS
customer service at (888) 288-5470 or visit our web site at www.multitech.com/PARTNERS/Programs/orc/ for details
on rates and coverage’s.
Please direct your questions regarding technical matters, product configuration, verification that the product is
defective, etc., to our Technical Support department at (800) 972-2439 or email [email protected]. Please
direct your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accounting
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-
caused damages are billed on a time-plus-materials basis.
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Chapter 5 – Warranty & Repair Policies
Repair Procedures for International Customers (Outside U.S.A. and Canada)
Your original point of purchase Reseller may offer the quickest and most economical repair option for your Multi-Tech
product. You may also contact any Multi-Tech sales office for information about the nearest distributor or other repair
service for your Multi-Tech product. The Multi-Tech sales office directory is available at
In the event that factory service is required, products may be shipped, freight prepaid to our Mounds View, Minnesota
factory. Recommended international shipment methods are via Federal Express, UPS or DHL courier services, or by
airmail parcel post; shipments made by any other method will be refused. A Returned Materials Authorization (RMA)
is required for products shipped from outside the U.S.A. and Canada. Please contact us for return authorization and
shipping instructions on any International shipments to the U.S.A. Please include, inside the shipping box, a
description of the problem, a return shipping address (must have street address, not P.O. Box), your telephone
number, and if the product is out of warranty, a check drawn on a U.S. bank or your company’s purchase order for
repair charges. Repaired units shall be shipped freight collect, unless other arrangements are made in advance.
Please direct your questions regarding technical matters, product configuration, verification that the product is
defective, etc., to our Technical Support department nearest you or email [email protected]. When calling the
U.S., please direct your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-
caused damages are billed on a time-plus-materials basis.
Repair Procedures for International Distributors
International distributors should contact their MTS International sales representative for information about the repairs
for their Multi-Tech product.
Please direct your questions regarding technical matters, product configuration, verification that the product is
defective, etc., to our International Technical Support department at +(763)717-5863. When calling the U.S., please
direct your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accounting
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-
caused damages are billed on a time-plus-materials basis.
Replacement Parts
SupplyNet, Inc., can supply you with replacement power supplies, cables and connectors for selected Multi-Tech
products. You can place an order with SupplyNet via mail, phone, fax or the Internet at the following addresses:
Mail:
SupplyNet, Inc.
614 Corporate Way
Valley Cottage, NY 10989
800 826-0279
Phone:
Fax:
914 267-2420
Email:
Internet:
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Chapter 6 - Reference Information
Chapter 6 - Reference Information
Wireless Modem Reference Info
Reference Documents: AT Commands CDMA Reference Guide S000294A
ETSI contact :
ETSI Secretariat
F-06921 Sophia Antipolis Cedex, France
e-mail : [email protected]
Service :
The AT commands manual is available on the MultiTech web site:
Disclaimer
Wireless MultiModem specifications and manuals are subject to change without notice. MTS assumes no liability
for damage incurred directly or indirectly from errors, omissions or discrepancies between the Wireless
MultiModem and its manual.
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