Multitech MTZPC-C User manual

MultiModem®CDMA & EDGE
Internal Wireless Modem
MTZPC-C
MTZPC-E
User Guide

2 Multi-Tech Systems, Inc. MultiModem User Guide
MultiModem User Guide
Internal Wireless Modem
CDMA & EDGE
MTZPC-C & MTZPC-E
P/N S000413A, Revision A
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed
written permission from Multi-Tech Systems, Inc.
Copyright © 2007 by Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representation or warranties with respect to the contents hereof and
specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes
from time to time in the content hereof without obligation of Multi-Tech Systems, Inc., to notify any person
or organization of such revisions or changes. Check Multi-Tech’s Web site for current versions of our
product documentation
Revision
Revision Date Description
A 02/22/07 Initial Release
Trademarks
Multi-Tech, MultiModem and the Multi-Tech logo are trademarks of Multi-Tech Systems, Inc. Windows is
a registered trademark of Microsoft in the U.S. and other countries. Other trademarks and trade names
mentioned in this publication belong to their respective owners.
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
[phone]; [phone]
Fax [phone]
Technical Support
Country By Email By Phone
France: [e-mail] +(33) 1-64 61 09 81
India: [e-mail] [phone]
Europe,Asia,Africa: [email protected]k +(44) 118 959 7774
U.S., Canada, all other: [email protected]m [phone] 0r [phone]
Internet Address: http://www.multitech.com

Multi-Tech Systems, Inc. MultiModem User Guide 3
Contents
CHAPTER 1: DESCRIPTION AND SPECIFICATIONS .......................................................................4
PRODUCT DESCRIPTION ...............................................................................................................................4
AT COMMAND INFO......................................................................................................................................4
PHONE NUMBER FOR THE WIRELESS MODEM................................................................................................4
PACKAGE CONTENTS ...................................................................................................................................5
PARTS TO BE SUPPLIED BY END USER ..........................................................................................................5
ANTENNA/RF SPECIFICATIONS......................................................................................................................5
CDMA.....................................................................................................................................................5
EDGE......................................................................................................................................................5
SPECIFICATIONS...........................................................................................................................................6
CHAPTER 2: INSTALLATION ................................................................................................................7
GENERAL SAFETY ........................................................................................................................................7
RF INTERFERENCE ISSUES ...........................................................................................................................7
ACTIVATING YOUR WIRELESS ACCOUNT........................................................................................................7
INSTALL YOUR MODEM..................................................................................................................................8
DRIVER INSTALLATION (WINDOWS XP/2003/2000)........................................................................................9
Part A: Installing the PCI card and COM port........................................................................................9
Part B: Installing Your Wireless Modem...............................................................................................12
CHAPTER 3 – USING YOUR MULTIMODEM ..................................................................................14
EXAMPLES OF USEFUL AT COMMANDS .......................................................................................................14
Verifying Signal Strength......................................................................................................................14
Checking Network Registration and Roaming Status..........................................................................14
Checking the Modem’s Identity ............................................................................................................14
Establishing a Circuit-Switched Data (CSD) Connection.....................................................................15
Answering a Circuit-Switched Data (CSD) Connection........................................................................15
USING SHORT MESSAGE SERVICES (SMS).................................................................................................16
SMS Examples for CDMA Modem.......................................................................................................17
SMS EXAMPLES FOR EDGE MODEM..........................................................................................................18
Internet Access.....................................................................................................................................19
Connecting to a Network for Internet Access.......................................................................................19
Connecting to a CDMA Network for Internet Access ...........................................................................19
CONNECTING TO THE EDGE NETWORK FOR INTERNET ACCESS...................................................................21
CHAPTER 4: TROUBLESHOOTING AND FREQUENTLY ASKED QUESTIONS ......................23
TROUBLESHOOTING EXAMPLES...................................................................................................................23
SITUATION A: THE MODEM ALWAYS RETURNS «ERROR»WHEN TRYING TO ISSUE A COMMUNICATION .............23
SITUATION B: THE MODEM DOES NOT RESPOND...........................................................................................23
FREQUENTLY ASKED QUESTIONS FOR CDMA MODEM.................................................................................24
FREQUENTLY ASKED QUESTIONS FOR EDGE MODEM .................................................................................26
CHAPTER 5: WARRANTY & REPAIRS POLICIES..........................................................................28
Multi-Tech Warranty Statement............................................................................................................28
Repair Procedures for U.S. and Canadian Customers ........................................................................28
Repair Procedures for International Customers (Outside U.S.A. and Canada)...................................28
Repair Procedures for International Distributors..................................................................................29
Replacement Parts...............................................................................................................................29
APPENDIX A - WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
STATEMENT............................................................................................................................................30

Chapter 1 - Description and Specifications
4 Multi-Tech Systems, Inc. MultiModem User Guide
Chapter 1: Description and Specifications
Product Description
The Multi-Tech MultiModem is an internal PCI bus wireless modem utilizing either CDMA or EDGE
technology. The MultiModem is an internal data/fax wireless modem. It also supports mobile
originated short message service (SMS) and mobile-terminated SMS. It offers standards-based
multi-band CDMA2000 1xRTT performance.
The MultiModem EDGE wireless modem delivers some of the fastest cellular wireless data speeds
by utilizing EDGE technology. It allows users to connect to the Internet and send and receive data
up to three times faster than possible with an ordinary GSM/GPRS network, making it ideal for
highly data-intensive multimedia applications. Based on industry-standard open interfaces, the
MultiModem EDGE wireless modem is equipped with quad-band GSM, which means it can be used
worldwide on all existing GSM networks. It also supports mobile originated short message service
(SMS) and mobile-terminated SMS.
MTZPC-C
Models:
MTZPC-C-Nx-NV Internal CDMA Modem with Universal PCI bus – Non-voice model
MTZPC-E-NV Internal EDGE Modem with Universal PCI bus – Non-voice mode.
Other Product Codes:
NAM is the model for US and Canada
GB/IE is the model for Great Britain and Ireland
Euro/ROW is the model for Europe and the rest of the world
A Note About Documentation:
Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from
time to time in the content hereof without obligation of Multi-Tech Systems, Inc., to notify any
person or organization of such revisions or changes. Check Multi-Tech’s Web site for current
versions of our product documentation.
AT Command Info
AT commands for the 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.

Chapter 1 - Description and Specifications
Multi-Tech Systems, Inc. MultiModem User Guide 5
Package Contents
Bundled Modem Only
•one MultiModem •One MultiModem
•one antenna (CDMA Models) •This Quick Start Guide
•Two antennas (EDGE Models)
•one product CD
•One Quick Start Guide
Parts to be Supplied by End User
The 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
CDMA 800 CDMA 1900
Frequency 824 to 894 MHz 1850 to 1990 MHz
Impedance 50 ohms
VSWR <1.5
Typical Radiated Gain 0 dBi on azimuth plane
EDGE
GSM 850 EGSM 900
Frequency RX 869 to 894 MHz 925 to 960 MHz
Frequency TX 824 to 849 MHz 880 to 915 MHz
RF Power Stand 2W at 12.5% duty cycle 2W at 12.5% duty cycle
Impedance 50 ohms
VSWR <2
Typical Radiated Gain 0 dBi on azimuth plane
GSM 1800 GSM 1900
Frequency RX 1805 to 1880 MHz 1930 to 1990 MHz
Frequency TX 1710 to 1785 MHz 1850 to 1910 MHz
RF Power Stand 1W at 12.5% duty cycle 1W at 12.5% duty cycle
Impedance 50 ohms
VSWR <2
Typical Radiated Gain 0 dBi on azimuth plane

Chapter 1 - Description and Specifications
6 Multi-Tech Systems, Inc. MultiModem User Guide
Specifications
Features EDGE Modem CDMA Modem
Performance EDGE: E-GPRS Class 10 CDMA2000 1xRTT
Band, Frequency Quad-band GSM
850/900/1800/1900 MHz Dual-band 800/1900 MHz
Packet Data EDGE: Up to 240K bps, Coding
scheme MCS 1-9, Mobile station
Class B, LLC layer, 4 time slots
Up to 153.6K bps forward and reverse
Circuit-Switched Data Asynchronous, transparent and
non-transparent up to 14.4K bps IS-95A, IS 95B up to 14.4K bps
Fax Class 1 Group 3 Class 2.0 Group 3
Short Message Services-SMS Text & PDU, Point-to-Point MO &
MT, cell broadcast ASCII Text & UCS-2, Point-to-Point, cell broadcast
Internet Protocols Supported TCP, UDP, DNS, FTP, SMTP,
POP3, HTTP N/A
Antenna Connector 50 ohm SMA 50 ohm SMA
SIM Connector Standard 3V SIM receptacle NA
Power Requirements 3.3 or 5 volt PCI slot 3.3 or 5 volt PCI slot
Physical Description 5.8" long x 4.8" high; 3.4 oz.
(140mmx 90mm; 326g) 5.8" long x 4.8" high; 3.4 oz. (140mmx 90mm; 326g)
Operating Environment -30°to +70°C -30°to +70°C
Storage
Temperature -40° to +85° C -40° to +85° C
Humidity 20% to 90% non-condensing 20% to 90% non-condensing
Certifications CE Mark, R&TTE, EMC:
FCC Part 2, 15 Class A, 22, 24
EN 55022
EN 55024
RSS-102, 129, 133
Safety: cUL, UL 60950; EN 60950
Network: PTCRB
EMC:
FCC Part 2, 15 Class A, 22, 24
EN 55022
EN 55024
RSS-102, 129, 133
Safety: cUL, UL 60950; EN 60950
Network: CDG 1 & 2
Miscellaneous AT Command Compatible
Carrier approved
Embedded TCP/IP stack
AT Command Compatible
Carrier approved
CDG 1 and 2 network certified
CDMA IS-95A, IS-95B backwards
compatible
Warranty Two years Two years

Chapter 2 - Installation
Multi-Tech Systems, Inc. MultiModem User Guide 7
Chapter 2: Installation
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. In a “Mobile” application, the device may be moved regularly from one location to
another.
Caution: Maintain a separation distance of at least 20 cm (8 inches) between the transmitter’s
antenna and the body of the user or nearby persons. The modem is not designed for, nor intended
to be, used in applications within 20 cm (8 inches) of the body of the user.
RF Interference Issues
Avoid possible radio frequency (RF) interference by carefully following the safety guidelines below.
•Switch OFF your 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 MultiModem when around gasoline or diesel-fuel pumps and before filling
your vehicle with fuel.
•Switch OFF your 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 MultiModem in the vicinity of
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 MultiModem in the vicinity of other electronic equipment may also cause
interference if the equipment is inadequately protected. Observe any warning signs and
manufacturers’ recommendations.
Activating your Wireless Account
Multi-Tech – A Certified National Activation Agent
Multi-Tech Systems, Inc. is a certified national activation agent for Cingular and Sprint wireless. For
more information about available data plans and to purchase and activate a wireless data account,
contact Multi-Tech at 888-288-5470.
Pre-Configured Multi-Tech Products
Each Multi-Tech wireless product has been pre-configured to operate on a wireless network.
Activate Your Wireless Account
Please see the wireless account Activation Notices located on the MultiModem CD. Choose the
one for your wireless network provider and follow the directions to activate your account.
Phone Numbers for the Wireless Modem
Every wireless modem will have its own unique phone number. The phone number will be given to
you by your wireless service provider or for the EDGE product, it may be on the SIM card or both.
Wireless provider implementations may vary.

Chapter 2 - Installation
Install your Modem
Installing the MultiModem requires you to open your system. Please consult your system manual in
addition to the following instructions.
Prerequiste: For EDGE models only, you must have the SIM chip from your wireless service
provider before installing your MultiModem.
MTZPC-C
MTZPC-E
1. Turn off your system and unplug it. Failure to do so may result in damage to both the MultiModem
and your system. Do not turn on the system until the instructions tell you to do so.
2. Remove the cover from your system as instructed in the system manual.
3. Select an empty PCI expansion slot. Remove the expansion slot cover and save the retaining
screw.
4. Before handling the MultiModem, discharge static in your body by touching a metal piece of the
system chassis. Carefully remove the MultiModem from its antistatic bag, handling it only by the
mounting bracket and edges. Do not touch the gold-plated connectors along the bottom edge.
5. For EDGE units only. Orient the SIM to match the marking on the SIM compartment, notch part
of the SIM should be facing the mounting bracket. Insert the SIM into its receptacle.
6. When installing the MultiModem, ensure that the antenna SMA connector is facing out of the
system.
7. Place the MultiModem directly above the expansion slot and gently, but firmly, push it into the
connector until the card’s retaining bracket is flush against the system chassis.
8. Fasten the retaining bracket to the system chassis with the screw saved in step 3.
9. Replace the system cover.
10. Attach the antenna to the threaded SMA connector on the PCI bracket.
11. Power up the system.
8 Multi-Tech Systems, Inc. MultiModem User Guide

Chapter 2 - Installation
Driver Installation (Windows XP/2003/2000)
The following installation procedure assumes a Windows XP operating system. Windows 2000 and
2003 have minor variances and are noted as they occur.
There are two parts to this procedure:
Part A: Installing the PCI card and COM port
Part B: Installing your wireless modem
Part A: Installing the PCI card and COM port
1. As the system boots up, the Welcome to the Found New Hardware Wizard screen appears.
Accept the default “No, not this time”, because Windows wants to search the Internet.
Click Next.
2. The Found New Hardware Wizard with “This wizard helps you install software for: PCI Serial
Port screen appears.
Click Install from a list or specific location (Advanced). Click Next.
Multi-Tech Systems, Inc. MultiModem User Guide 9

Chapter 2 - Installation
3. Insert the MultiModem Product CD into your CDROM drive. Insertion of the product CD will
trigger the Autorun feature. Click Exit to close the splash screen.
Note: The modem defaults to a baud rate of 115200 bps. Make sure your communications
program is set for 115200 bps. Otherwise, it will not be possible to communicate with the modem.
The wireless modem baud rate can be changed by issuing specific AT commands. For
assistance, refer to the appropriate Wireless AT Command Reference Guide on your product CD.
4. The Found New Hardware Wizard with Please choose your search and installation options
screen is displayed.
Select Include this location in the search: option. Click the Browse button and browse to the
location of the CDROM drive, usually CD Drive (D:\). Click on the Drivers folder. Click Next.
10 Multi-Tech Systems, Inc. MultiModem User Guide

Chapter 2 - Installation
5. The Hardware Installation with The software you are installing for this hardware: MTS 1-Port
UART PCI Card screen is displayed.
Click the Continue Anyway button. In Windows 2000/2003, you would click Yes at this point.
6. The Completing the Found New Hardware Wizard with MTS 1-Port UART PCI Card screen
appears.
Click Finish.
7. Now, the communication port will install. The Welecome to the Found New Hardware Wizard
screen. This install wizard will install the com port driver.
Select the “No, not this time”, because Windows wants to search the Internet. Click Next.
8. The Found New Hardware Wizard with “Multifunction Device screen appears.
Click Install from a list or specific location (Advanced). Click Next.
Multi-Tech Systems, Inc. MultiModem User Guide 11

Chapter 2 - Installation
9. The Found New Hardware Wizard with Please choose your search and installation options
screen is displayed.
Select Include this location in the search: option. Click the Browse button and browse to the
location of the CDROM drive, usually CD Drive (D:\). Click on the Drivers folder. Click Next.
10. The Hardware Installation with The software you are installing for this hardware: Multi-Tech
Communications Port screen is displayed.
Click the Continue Anyway button. In Windows 2000/2003, you would click Yes at this point.
11. The Completing the Found New Hardware Wizard with MTS Communications Port screen
appears.
Click Finish.
12. Windows may or may not prompt you to reboot your system at this time. If prompted too, please
reboot your system to ensure successful hardware installation.
Part B: Installing Your Wireless Modem
13. From the desktop, click Start I Control Panel I Phone and Modem Icon, for Windows
2000/2003, Start I settings I Control Panel I Phone & Modem option. Select the Modems Tab
and click on the Add button on the bottom of the window. The Install New Modem screen
appears.
12 Multi-Tech Systems, Inc. MultiModem User Guide

Chapter 2 - Installation
Check Don’t detect my modem; I will select it from a list. Then click Next.
14. In the Install New Modem screen click Have Disk.
15. In the “Models” list of the Install New Modem screen, if you are installing a Wireless CDMA
modem, MTZPC-C, choose MultiTech Systems MTZPC-C Wireless Modem. If you are
installing a Wireless EDGE modem, MTZPC-E, choose MultiTech Systems MTZPC-E Wireless
Modem.
16. In the Install New Modem, Select the port(s) you want to install the modem on. Choose the COM
port that was earlier installed. This COM port usually is the last one displayed in this screen.
Click Next.
17. The Windows Logo Testing screen appears with MultiTech Systems MTZPC-C Wireless
Modem for a CDMA modem or MTZPC-E for an EDGE modem.
Click Continue Anyway.
You have successfully installed your MultiModem, for additional information on how to use your
modem, refer to Chapter 3, Using Your MultiModem.
Multi-Tech Systems, Inc. MultiModem User Guide 13

Chapter 3 – Using Your MultiModem
14 Multi-Tech Systems, Inc. MultiModem User Guide
Chapter 3 – Using Your MultiModem
Examples of Useful AT Commands
A Note About HyperTerminal
In order to verify signal strength and roaming status, you must use a terminal application such as
HyperTerminal. To open this program in Windows XP or Windows 2003, go to Start > All Programs
> Accessories > Communications > HyperTerminal. Other Windows operating systems have
similar paths to HyperTerminal. See your system’s online Help if you cannot find it.
A Note About AT Commands
AT commands can be used to operate, configure, and query your modem. A reference guide for
EDGE or CDMA commands is included on the MultiModem CD and on the Multi-Tech Web site.
The following two commands let you query signal strength and roaming status.
Verifying Signal Strength
Using HyperTerminal, type AT+CSQ
The modem responds with the received signal strength (rssi) and bit error rate (ber).
BER values are always 99 for a CDMA modem. The BER ranges from 0 to 7 with 7 being the
highest error rate for an EDGE modem
RSSI ranges are from 0 to 31.
Signal Strength Verification – RSSI
10 - 31 Sufficient
0 - 9 Weak or Insufficient
99 No signal
Note: CDMA Modems provisioned for the Sprint network have a different range of
values for signal strength. See the AT Command guide for CDMA modems for details.
Checking Network Registration and Roaming Status
In this procedure, you will verify that the Wireless MultiModem has been registered on the wireless
network. Using HyperTerminal, type AT+CREG?
The modem will respond in one of the following ways:
Network Registration Verification
Value Network Registration Status
0,0 The modem is not registered on any
network
0,1 The modem is registered on the home
network
0,5 The modem is registered on a network
and it is roaming
Note: If the modem indicates that it is not registered, verify the signal strength to determine if
the problem is the strength of the received signal.
Checking the Modem’s Identity
Use the ATI command (Note: This command is illustrated using the capital letter i after AT)
CDMA
•Type ATI0 (Note: The command ends in a zero)
The manufacturing data displays. For example, xxxxx Modem 800 1900
•Type ATI3
The software version displays. For example, S/W VER: xxxxx
•Type ATI6
The capability data displays. For example, +CGSM, +CIS707, ...
EDGE
Product information displays. For example, Siemens MC75 Revision xx.yy (xx.yy is the
software version).

Chapter 3 – Using Your MultiModem
Multi-Tech Systems, Inc. MultiModem User Guide 15
Establishing a Circuit-Switched Data (CSD) Connection
A Circuit-Switched Data Connection makes the wireless modem work like a regular analog modem.
You must have CSD service in order to make a CSD call.
Note: Your wireless service provider charges airtime usage for these connections
Establish a Connection: Using HyperTerminal or a terminal application, you can establish a CSD
connection by entering the following command: ATD<phone number>
Notes:
•The phone number you are calling is entered between the
displayed brackets. Do not type additional brackets. For example,
type only ATD 8585551212. 8285551212 is typed between the
brackets.
•This command tells the modem to inform the wireless network that
you are initiating a CSD modem call. If you are dialing to another
modem, the remote modem should answer and a connection
between the two modems will be established.
Disconnect: Type: +++
Wait about two seconds to see an OK response.
Then type: ATH
Note: +++ is the escape sequence and ATH is the Hang-up command.
Answering a Circuit-Switched Data (CSD) Connection
A Circuit-Switched Data Connection makes the wireless modem work like a regular analog modem.
You must have CSD service in order to answer a CSD call.
Establish A Connection: Using HyperTerminal or a terminal application, enter the following
command:
AT+CICB=0 <cr> This sets the modem to answer in data mode.
Then, call into the modem by dialing the number provided by your
carrier.
Answer a Call: When you see the RING responses on the terminal screen, enter ATA
<cr> to answer the call.
Set Auto-Answer: Enter ATS0=x
This sets the modem to auto-answer. The call will be answered after the
number of rings entered. x stand for the number rings.
Then call into the modem by dialing the number provided to you by the
carrier.
Disconnect: Type: +++
Wait about two seconds to see an OK response.
Then type: ATH

Chapter 3 – Using Your MultiModem
16 Multi-Tech Systems, Inc. MultiModem User Guide
Using Short Message Services (SMS)
Send a Short Message to a Specified Number.
Type AT+CMGS="8585551212" <press Enter>
Wait for the “>” before entering test.
Then type your message: Please call me soon. <press ctrl Z>
The modem may respond with +CMGS:<mr> OK
Write a Message to Memory.
You can store a message to send it at a later date.
Type AT+CMGW="8585551212" <press Enter>
Wait for the “>” before entering test.
Then type your message.
Please call me soon. <press ctrl Z>
The modem may respond with +CMGW: 4 OK (The message is stored in the index as
message 4.)
Send a Message from Storage.
Type AT+CMSS=x,"8585551212" <press Enter>
The modem may respond with +CMSS: 1 OK (The transmission is successful. One SMS
message is sent.)
Note: The x represents an index location.
View a List of Stored Messages.
Type AT+CMGL=x<press Enter>
For x, substitute one of the following: "UREAD" Show all unread messages.
"READ" Show all read messages.
"USENT" Show all unsent messages.
"SENT" Show all sent messages.
"ALL" Show all d messages.
The modem will respond AT+CMGL: 1,"REC UNREAD","8585551212",1...
The modem will continue until all UNREAD messages, numbers, and index number are
listed.
Read a Stored Message.
Type AT+CMGR=x<press Enter>
The modem may respond with +CMGR: "REC READ", "8585551212", ......
Note: The 1 stands for the number of the location to be read. The total number of locations
depends on the amount of memory in your modem.
Note: The x represents an index location.
Delete a Stored Message.
Type AT+CMGD=x,n <press Enter>
For n, substitute one of the following: 0 Delete message at location <include the index
number.
1Delete all READ messages.
2Delete all READ and SENT messages.
3 Delete all READ, SENT, and UNSENT messages.
4 Delete ALL messages.
The modem will respond OK.
Note: The x represents an index location.

Chapter 3 – Using Your MultiModem
Multi-Tech Systems, Inc. MultiModem User Guide 17
SMS Examples for CDMA Modem
Send Example: Sending an SMS message
at+cpms="MT","MO" (set the read and write locations for SMS)
+CPMS:0,30,0,30
OK
at+cmgs="7632273726" (send SMS to the number listed in between the quotes)
TEST message ONE. (type the text message here and end with a <CTRL + Z> to send the message)
+CMGS:1
OK
Receive Example 1: Receive an SMS message and stored to modem memory via +CMTI
indication:
at+cnmi=2,1,0,0,0 (set the modem to indicate received messages with +CMTI)
OK
at+cpms="MT","MO" (set the read and write locations for SMS)
+CPMS:0,30,0,30
OK
+CMTI:"MT",0,0 (indication that a message was received and stored to location 0 of the modem)
at+cmgr=0 (read message stored in location 0)
+CMGR:"REC UNREAD","7632273726","06/03/17,13 :35 :49",0,3,0,0,0,5
TEST1
OK
at+cmgd=0 (delete message stored in location 0)
OK
Receive Example 2: Receive a SMS message and route directly to TE:
at+cnmi=2,2,0,0,0 (set modem to receive SMS and route directly to TE)
OK
+CMT:"7632273726","06/03/17,13 :38 :22",129,0,3,0,5 (indication that message was received)
TEST2
at+cnma (acknowledge that message was received)
OK

Chapter 3 – Using Your MultiModem
18 Multi-Tech Systems, Inc. MultiModem User Guide
SMS Examples for EDGE Modem
Send Example: Send SMS message to another SMS compatible device:
at+cmgf=1 (set to text mode)
OK
at+cpms="SM","SM","SM" (set memory storage when writing and sending SMS messages)
OK
at+cmgs="7632273726" (send message to the number specified in quotes)
> TEST message ONE. (Type message after the > symbol and hit <CTRL + Z> to send the
message)
+CMGS: 52
OK
Receive Example 1: Receive SMS messages in text mode by saving to SIM memory –
Notification via +CMTI unsolicited response code:
at+cmgf=1 (set to text mode)
OK
at+cnmi=2,1,0,0,1 (set to receive SMS and store to memory)
OK
at+cpms="SM","SM","SM" (set messages to be read from SIM and stored to SIM card)
OK
+CMTI: "SM",1 (message received and stored to the SIM card to location 1)
at+cmgr=1 (read the message in location 1)
+CMGR: "REC UNREAD","[phone]",,"06/03/17,09:02:52+00"
TEST SMS 1 (message)
OK
at+cmgd=1 (delete message in location 1)
OK
Receive Example 2: Receive SMS message in text mode by directly routing the received
message to the TE through the serial port:
at+cmgf=1 (set to text mode)
OK
at+csms=1 (set to Phase 2+ compatibility)
+CSMS: 1,1,1
OK
at+cnmi=2,2,0,0,1 (set to receive SMS messages and directly route to TE)
OK
+CMT: "[phone]",,"06/03/17,09:06:11+00"
TEST SMS 2 (message)
at+cnma (acknowledge to the network that the message has been received)
OK

Chapter 3 – Using Your MultiModem
Multi-Tech Systems, Inc. MultiModem User Guide 19
Internet Access
Internet access can be setup in Windows Dial-Up Networking (DUN) of the computer that the wireless
modem is serving. Setup procedures will vary according to the type of wireless service provider used.
To access Dial-Up Networking on your PC, go to Start > Settings > Network Connections.
•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.
•Point-to-Point Data
A circuit-switched data connection is used. Use the dial-up-network (DUN) to make a
conventional V.32 modem connection to any terminating modem at the other end. The
phone number specified in the 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).
Connecting to a Network for Internet Access
The procedure for connecting to a CDMA network is provided first, followed by connecting to a EDGE
network.
Connecting to a CDMA Network for Internet Access
You will establish an Internet connection through a Windows dial-up session.
Note that your wireless provider will charge you for data usage.
Requirements
•One Muti-Tech wireless CDMA modem
•The modem must be getting a proper signal and be showing a network registration through the
wireless provider’s network
•A PC running Windows XP, 2003, or 2000 with the Multi-Tech drivers installed for your
particular model
The following instructions are for Windows XP SP2 and Windows 2003. Every PC may have
slight differences which may cause the instructions to be different. Use these instructions as a
guide to help you understand what is required to set up an Internet connection through your
wireless service provider for all operating systems.
Note: Cellular providers provide Internet services as part of your service plan. Multi-Tech
recommends that if you plan on using large amounts of data, to sign up for an unlimited data
service plan with your provider. Multi-Tech Systems, Inc. will not be responsible for any charges
on your cellular bill. If you have any questions about billing, service plans, service charges, etc.,
please contact your provider for more information.
Create Your Dial-Up Connection in Windows XP/2003
1. Click on Start and then click on Control Panel.
2. In the Control Panel, double-click on Network Connections.
3. On the Network Connections screen on the left-hand side under Network Tasks, click on
Create a new connection.
4. The New Connection Wizard should appear. It will walk you through setting up your Internet
connection. Click on Next > to begin.
5. On the Network Connection Type screen, select Connect to the Internet, and then click
Next >.
6. On the Getting Ready screen, select Set up my connection manually, and then click Next >.
7. On the Internet Connection screen, select Connect using a dial-up modem, and then click
Next >.
Note: After clicking on Next, you may or may not be asked to select which modem to use. If
you have more than one modem installed in your PC, you will be required to select the proper
modem to use. If asked, please select the Multi-Tech wireless modem that has been
installed.

Chapter 3 – Using Your MultiModem
20 Multi-Tech Systems, Inc. MultiModem User Guide
8. On the Connection Name screen in the ISP Name box, type in a name for your new
connection. You can give it any name that you would like. After you have typed in a name,
click Next >.
9. On the Phone Number to Dial screen, type in the number that specifies to the modem to
connect to your provider’s Internet service.
For CDMA modems, type in the number #777.
Then click Next >.
10. On the Connection Availability screen, specify if this connection is for anyone’s use or for
your use only by checking the appropriate button. Choose your preference, and then click
Next>.
11. On the Internet Account Information screen, type the user name and the password for your
account. In many cases, a user name and a password are not required, but some wireless
providers require it. Check with your provider to see if they are needed.
Here is some helpful information:
•For Alltel accounts:
User name: <MDN>@alltel.net
Note: The MDN is your 10-digit wireless phone number.
Password: alltel
•For Verizon and Sprint accounts:
Normally, Verizon and Sprint do not require a user name and password.
•Bell Mobility:
Bell Mobility may require a user name and password.
•In all cases, please check with your service provider.
Check the following two options if you would like them activated:
Check the box if you want this account name and password to be used by everyone.
Check the box if you want this as your default Internet connection. Then click Next >.
12. On the Completing the New Connection Wizard screen, your last task is to place a check in
the box if you would like to add a shortcut to your desktop. Then click Finish.
13. A Connection screen displays on your desktop. Click the Properties button on the bottom of
this screen.
14. The Properties window will open for you to make your connection. Important: Make sure that
Use dialing rules is not selected, and then click OK.
15. Once back at your Connection screen, click the Dial button at the bottom of the screen to
start the connection.
16. The connection will now tell the modem to connect to your provider’s Internet service. Once
connected, you should see the connection status icon in your system tray at the bottom right-
hand corner of your screen.
You should now be able to open Internet Explorer or any other browser of your preference to
surf the Internet.
Disconnecting the Connection:
1. To disconnect the connection, right click on the connection icon in your system tray at the
bottom right-hand corner of your screen.
2. Scroll up and click on Disconnect.
You should now be disconnected from the Internet.