Multi Tech Systems 92U09D24824 Socket Modem GSM User Manual User Guide
Multi Tech Systems Inc Socket Modem GSM User Guide
Contents
- 1. User Manual
- 2. User Guide
User Guide
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| Document ID | 1583306 |
| Application ID | NgESTD9n3kRGPlw5sqTLFQ== |
| Document Description | User Guide |
| Short Term Confidential | No |
| Permanent Confidential | No |
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| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 285.34kB (3566747 bits) |
| Date Submitted | 2011-11-18 00:00:00 |
| Date Available | 2011-11-18 00:00:00 |
| Creation Date | 2011-11-17 14:26:54 |
| Producing Software | Adobe PDF Library 9.0 |
| Document Lastmod | 2011-11-17 14:27:20 |
| Document Title | MultiModem Wireless GPRS, MTCBA-G-U-F4, MTCBA, USB, F4 |
| Document Creator | Acrobat PDFMaker 9.1 for Word |
| Document Author: | klw |
GPRS SocketModem®
Developer’s Guide
Copyright and Technical Support
GPRS SocketModem Developer’s Guide
MTSMC-G2, MTSMC-G2-V, MTSMC-G2-IP, MTSMC-G2-GP
S000521A, Version A
Copyright
This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech
Systems, Inc. All rights reserved.
Copyright © 2011 by Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically disclaim
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 MultiTech Systems, Inc. to notify any person or organization of such revisions or changes.
Revision History
Revision
Date
11/17/2011
Description
Initial Release
Trademarks
Trademarks and Registered Trademarks of Multi-Tech Systems, Inc. are SocketModem, SocketWireless, SocketEthernet IP, and
the Multi-Tech logo. Microsoft and Windows are trademarks or registered trademarks of Microsoft Corporation in the United
States and other countries. Bluetooth is a registered trademark of the Bluetooth SIG, Inc. Wi-Fi is a registered trademark of the
Wi-Fi Alliance.
Contacting Multi-Tech
Knowledge Base
The Knowledge Base provides immediate access to support information and resolutions for all Multi-Tech products. Visit
http://www.multitech.com/kb.go.
Developer Resources
To login to developer resources, visit http://www.multitech.com/coder.go.
Support Portal
To create an account and submit a support case directly to our technical support team, visit: https://support.multitech.com
Technical Support
Business Hours: M-F, 9am to 5pm CT
Country
Europe, Middle East, Africa:
U.S., Canada, all others:
By Email
support@multitech.co.uk
support@multitech.com
By Phone
+(44) 118 959 7774
(800) 972-2439 or (763) 717-5863
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: 763-785-3500 or 800-328-9717
Fax: 763-785-9874
Warranty
To read the warranty statement for your product, please visit:
http://www.multitech.com/warranty.go
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Contents
Chapter 1 – Universal Socket Connectivity ..........................................................................................5
Universal Socket Connectivity Features ........................................................................................5
Universal Socket Design ...............................................................................................................5
Universal Developer Kit Contents .................................................................................................6
Universal Socket Pin Out ..............................................................................................................7
Universal Pin Descriptions ............................................................................................................... 7
Design Considerations ................................................................................................................10
Noise Suppression Design Considerations ..................................................................................... 10
PC Board Layout Guidelines ........................................................................................................... 11
Electromagnetic Interference (EMI) Considerations ..................................................................... 11
Electrostatic Discharge Control...................................................................................................... 12
SocketModem Developer Board .................................................................................................13
Board Components ........................................................................................................................ 14
Jumpers and Corresponding Signals .............................................................................................. 14
SocketModem Developer Board Block Diagram............................................................................ 15
Developer Board Schematics ......................................................................................................... 16
Developer Board Schematics ......................................................................................................... 17
Developer Board Schematics ......................................................................................................... 18
Developer Board Schematics ......................................................................................................... 19
Developer Board Schematics ......................................................................................................... 20
Cellular Information ...................................................................................................................21
Antenna System for Cellular Devices ............................................................................................. 21
Antenna Specifications .................................................................................................................. 21
OEM Integration ........................................................................................................................23
FCC Grant Notes ............................................................................................................................. 23
Host Labeling.................................................................................................................................. 24
Coax Cables Specifications..........................................................................................................24
Antennas Available from Multi-Tech ............................................................................................. 25
Global Positioning System (GPS) .................................................................................................26
Technical Specifications ................................................................................................................. 26
Features ......................................................................................................................................... 27
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Contents
Underwriters Laboratories Required Global Positioning System (GPS) Statement....................... 27
Cellular Approvals and Labeling Requirements ...........................................................................27
Approvals and Certification ........................................................................................................... 27
Safety Notices and Warnings ......................................................................................................29
Cellular Safety ................................................................................................................................ 29
Regulatory Compliance Statements ............................................................................................30
Country/Region-Specific Statements ............................................................................................. 30
Waste Electrical and Electronic Equipment Statement ................................................................. 32
Restriction of the Use of Hazardous Substances (RoHS) ............................................................... 33
Information on HS/TS Substances According to Chinese Standards in English ............................. 34
Information on HS/TS Substances According to Chinese Standards in Chinese ............................ 35
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2) ...............................................................36
Network Activation ....................................................................................................................36
Product Build Options and Ordering Information ........................................................................36
AT Commands............................................................................................................................37
Technical Specifications .............................................................................................................37
Mounting Hardware on the Board................................................................................................. 38
Mechanical Drawings .................................................................................................................39
MTSMC-G2 Build ............................................................................................................................ 39
MTSMC-G2-Voice Build .................................................................................................................. 40
MTSMC-G2-IP Build........................................................................................................................ 41
MTSMC-G2 GP (GPS) Build............................................................................................................. 42
DC Electrical Characteristics .......................................................................................................43
Power Measurements ................................................................................................................43
Application Notes ......................................................................................................................44
LED Interface .................................................................................................................................. 44
RF Performances ............................................................................................................................ 44
Microphone Inputs ........................................................................................................................ 45
Changing the Quad Band ............................................................................................................... 45
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket
Connectivity
Multi-Tech’s embedded device networking solutions instantly add communication ability to your existing or
new product with minimal engineering effort giving you an edge on your competition while accelerating your
time-to-market. Our Universal Socket is a flexible comm-port architecture that provides cellular, Ethernet, PSTN
or Wi-Fi network access with interchangeable communications devices. This means you can use one system
design and populate it with your connectivity device of choice.
Universal Socket Connectivity Features
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Flexible comm-port architecture
Interchangeable socket devices
Cost-effective system design
Easy migration to future technologies
Complete global compliance
Universal Socket Design
Each pin on a SocketModem corresponds to a particular function. The universal socket design provides a
universal location for each function pin. This allows each SocketModem to be used in a common board.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Universal Developer Kit Contents
Products described in this guide can be used to develop and evaluate your products and applications using the
MTSMI-UDK (Universal Developer Kit).
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Developer Board: One MTSMI-UDK Developer Board
Power Supply: One 100-240V 9V-1.7A power supply with removable blades:
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One US blade/plug
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One EURO blade/plug
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One UK blade/plug
Cables
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One RS-232 DB9F-DB25M serial cable
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One RJ-11 phone cable
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One RJ-45 Ethernet cable
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One 1.5 meter USB cable
Antenna Cables
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One SMA-to-MMCX antenna cable (for cellular antennas)
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Two SMA-to-UFL antenna cables (one for select cellular antennas and one for GPS antennas)
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One RSMA-to-MMCX antenna cable (for Bluetooth antennas)
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One RSMA-to-UFL antenna cable (for Wi-Fi antennas)
Antennas
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One quad band antenna 850/1900/900/1800 (for cellular modems)
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One 2.4GHz, ½ WAVE antenna with reverse polarity (for Bluetooth and Wi-Fi devices)
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One GPS antenna
Modem Activation Customer Notices
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Aeris Communications, Inc.
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GSM
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Sprint Nextel
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Verizon Wireless
One Universal Socket Connectivity Developer CD
One Promotional Screwdriver
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Universal Socket Pin Out
Top View – Universal SocketModem Pin Out
Note:
Not all products include all pins as shown above and listed below. See the Mechanical Drawings
section in each product chapter for the pins used by that product.
Universal Pin Descriptions
Pin
Signal Name
In/Out
Tip
I/O
Ring
I/O
Safety Void
TX+
NA
TX-
RX-
RX+
Safety Void
NA
Dummy
Description
Tip Signal from Telco. Tip connection to the phone line (RJ-11 Pin 4). The
SocketModem is Tip/Ring polarity insensitive.
Ring Signal from Telco. Ring connection to the phone line (RJ-11 Pin 3). The
SocketModem is Tip/Ring polarity insensitive.
Safety Clearance. 2.5 mm is required between TNV circuits and SELV circuits.
Transmit Outputs (TX+ and TX-). Differential transmit outputs for Ethernet
and ISDN.
Transmit Outputs (TX+ and TX-). Differential transmit outputs for Ethernet
and ISDN.
Receive Inputs. Differential receive input pins for Ethernet. Dummy pin for
MT810SWM-IP.
Receive Inputs. Differential receive input pins for Ethernet.
Safety Clearance. 2.5 31mm is required between TNV circuits and SELV
circuits.
Dummy pin for EDGE.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Pin
Signal Name
In/Out
11
TCLK
12
RCLK
22
23
24
MIC+
MIC–RESET
Description
Transmit Data Sync Clock. TX synchronous data clock for ISDN sync data
mode.
Receive Data Sync Clock. RX synchronous data clock for ISDN sync data
mode.
Microphone positive input. Refer to Microphone Inputs in Chapter 2.
Microphone negative input. Refer to Microphone Inputs in Chapter 2.
Device Reset (with pull-up). The active low –RESET input resets the device
logic and returns the configuration of the device to the original factory
default values or "stored values" in the NVRAM. –RESET is tied to VCC
through a time-constant circuit for “Power-on-Reset” functionality. The
SocketModem is ready to accept commands after a fixed amount of time
(“X” Time) after power-on or reset.
Model
MTSMC-G2
Time
250 ms
Constant "X" Time
6 seconds
Minimum Reset Pulse*
100us
*The SocketModem device may respond to a shorter reset pulse.
Reset Line Interface for the MT5692SMI. The modem’s reset line employs a
10K pull up resistor. If an open collector driver is to be used, run that output
to the modem only and use a separate driver for other embedded
components. The modem’s reset signal may also be driven by a circuit that
both sinks and sources current if desired. It is also important to note that
these modems do not require an external reset. They have their own
internal reset circuitry and voltage monitor and will function correctly even if
the reset input is open.
25
USB_VBUS
26
27
28
29
GND
USB_DP
USB_DN
LED DCD
GND
I/O
I/O
30
LED RX
31
LED DTR
32
LED TX
Reset GPRS (MTSMC-G2). This signal is used to force a reset procedure by
providing low level during reset of at least 500us. The signal is considered an
emergency reset only. A reset procedure is already driven by internal
hardware during the power-up sequence. If no external reset is necessary,
this input can be left open. If used (emergency reset), it has to be driven by
an open collector or an open drain.
RESET – A Design Consideration: Allowing the host processor to control the
RESET line of the SocketModem provides the benefit of allowing the host to
reset the device in the event of a failure to respond normally. Resetting the
SocketModem will return it to a known functional state.
USB Voltage Sense. Senses the voltage level of the USB to determine if the
bus is available.
Logic Ground.
USB Data Positive. Positive pin of the USB data pair.
USB Data Negative. Negative pin of the USB data pair.
DCD (Active High). Output from 74LCX14 with a 1000 Ohms resistor in series.
SocketWireless Bluetooth (MTS2BTSMI): When lit, indicates a connection.
No series resistor.
RX (Active High). Output from 74LCX14 with a 1000 Ohms resistor in series.
SocketWireless Bluetooth (MTS2BTSMI): No series resistor.
DTR (Active High). Output from 74LCX14 with a 1000 Ohms resistor in series.
SocketWireless Bluetooth (MTS2BTSMI): No series resistor.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Pin
Signal Name
In/Out
33
–RTS
34
–RXD
35
–TXD
36
–RI
37
–DSR
38
–CTS
39
–DCD
40
–DTR
41
42
43
48
49
50
51
56
GND
SPKSPK+
GPIO
GPIO
GPIO
GPIO
–LED FDX
GND
I/O
I/O
I/O
I/O
57
–LED ACT
Description
Request to Send (Active Low). –RTS is controlled by the DTE to indicate
whether or not the DTE is ready to receive data. –RTS ON (low) indicates that
the DTE is ready to receive data from the modem on RXD. –RTS OFF indicates
to the SocketModem that it should not transfer data on the RXD.
Note:
When the –RTS pin is not in use, it should be tied low.
Received Data. The SocketModem uses the RXD line to send data to the DTE
and to send SocketModem responses to the DTE. In command mode, –RXD
data presents the SocketModem responses to the DTE. SocketModem
responses take priority over incoming data when the two signals are in
competition for –RXD. When no data is transmitted, the signal is held in
mark condition.
Transmitted Data. The DTE uses the –TXD line to send data to the
SocketModem for transmission or to transmit commands to the
SocketModem. The DTE holds this circuit in mark state when no data is being
transmitted or during intervals between characters.
RING (Active Low). Incoming ring signal from phone.
Ring Indicate. –RI output ON (low) indicates the presence of an ON segment
of a ring signal on the telephone line. The modem will not go off-hook when
–RI is active; the modem waits for –RI to go inactive before going off-hook.
Data Set Ready (Active Low). –DSR indicates SocketModem status to the
DTE. –DSR OFF (high) indicates that the DTE is to disregard all signals
appearing on the interchange circuits except Ring Indicator (–RI). It reflects
the status of the local data set and does not indicate an actual link with any
remote data equipment.
Clear to Send (Active Low). –CTS is controlled by the SocketModem to
indicate whether or not the SocketModem is ready to transmit data. –CTS
ON indicates to the DTE that signals on TXD will be transmitted. –CTS OFF
indicates to the DTE that it should not transfer data on TXD.
Data Carrier Detect (Active Low). –DCD output is ON (low) when a data
connection is established and the SocketModem is ready to send/receive
data.
Data Terminal Ready (Active Low). The –DTR input is turned ON (low) when
the DTE is ready to communicate. –DTR ON prepares the modem to be
connected, and, once connected, maintains the connection. –DTR OFF places
the modem in the disconnect state under control of the &Dn and &Qn
commands.
Note: When the –DTR pin is not in use, it should be tied low.
Logic Ground.
Negative analog speaker output.
Positive analog speaker output.
General Purpose Input/Output. User-configurable input or output pin. **
General Purpose Input/Output. User-configurable input or output pin. **
General Purpose Input/Output. User-configurable input or output pin. **
General Purpose Input/Output. User-configurable input or output pin. **
LED Full Duplex (Active Low). LED Output. During normal operation, this pin
lights the FDX LED to indicate a full duplex mode.
LED Active (Active Low). LED Output. During normal operation, this pin lights
the Activity LED when transmitting or receiving. It flashes at a rate of 50ms
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Pin
58
Signal Name
–LEDLINK
In/Out
Description
high and 50ms low when active.
LED LINK (Active Low). LED Output. During normal operation, this pin lights
the LINK LED to indicate a good link is detected.
Pin 58 LED Mode
Operating Status
Note:
Pin 58 may or may not be available on some GPRS SocketModems
currently shipping.
Off
59
–LEDCOL
60
–LEDSPD
61
62
VCC
MICV
PWR
63
AGND
GND
64
SPKR
Subscriber Carrier Mode is OFF or running in SLEEP
mode or Alarm mode.
600 ms ON / 600ms
No SIM card inserted or no PIN entered, or network
OFF
search in progress, or ongoing user authentication,
or network login in progress.
One or more GPRS contexts activated.
75 ms ON / 75 ms
Indicates GPRS data transfer: When a transfer is in
OFF / 75 ms ON
progress, the LED goes on within 1 second after data
3 s OFF
packets were exchanged. Flash duration is
Flashing or Blinking
approximately 0.5 s.
ON
Depending on type of call:
Voice Call: Connected to remote party.
Data Call: Connected to remote party or exchange of
parameters while setting up or disconnecting a call.
LED Collision (Active Low). LED Output. During normal operation, this pin
lights the COL LED to indicate a collision. It flashes at 50ms high and 50ms
low when active.
LED Speed (Active Low). LED Output. During normal operation, this pin lights
the SPEED LED to indicate 100Mbps is selected.
DC Input Power. 3.3V or 5VDC power, depending upon the build.
Single-Ended Microphone. Single-ended microphone input for dial-up
SocketModem speakerphone and TAM functions.
Analog Ground. Analog ground is tied common with DGND on the
SocketModem. To minimize potential ground noise issues, connect audio
circuit return to AGND.
Speaker. Dual purpose output for call progress signals or speakerphone
functions.
Design Considerations
Noise Suppression Design Considerations
Adhere to engineering noise-suppression practices when designing a printed circuit board (PCB) containing the
SocketModem. Noise suppression is essential to the proper operation and performance of the modem and
surrounding equipment.
Any OEM board design that contains a SocketModem should consider both on-board and off-board generated
noise that can affect digital signal processing. Both on-board and off-board generated noise that is coupled onboard can affect interface signal levels and quality. Noise in frequency ranges that affect modem performance
is of particular concern.
On-board generated electromagnetic interference (EMI) noise that can be radiated or conducted off-board is
equally important. This type of noise can affect the operation of surrounding equipment. Most local
10
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
government agencies have stringent certification requirements that must be met for use in specific
environments.
Proper PC board layout (component placement, signal routing, trace thickness and geometry, etc.) component
selection (composition, value, and tolerance), interface connections, and shielding are required for the board
design to achieve desired modem performance and to attain EMI certification.
Other aspects of proper noise-suppression engineering practices are beyond the scope of this developer’s
guide. The developer should consult noise suppression techniques described other sources, such as technical
publications, electronics and electrical engineering text books, and component supplier application notes.
PC Board Layout Guidelines
In a 4-layer design, provide adequate ground plane covering the entire board. In 4-layer designs, power and
ground are typically on the inner layers. All power and ground traces should be 0.05 inches wide.
The recommended hole size for the SocketModem pins is 0.036 in. +/-0.003 in. in diameter. Spacers can be
used to hold the SocketModem vertically in place during the wave solder process.
All creepages and clearances for the SocketModem have been designed to meet requirements of safety
standards EN60950 or EN60601. The requirements are based on a working voltage of 125V or 250V. When the
recommended DAA* circuit interface is implemented in a third party design, all creepage and clearance
requirements must be strictly followed in order to meet safety standards. The third party safety design must be
evaluated by the appropriate national agency per the required specification.
User accessible areas: Based on where the third party design is to be marketed, sold, or used, it may be
necessary to provide an insulating cover over all TNV exposed areas. Consult with the recognized safety agency
to determine the requirements.
Note:
Even if the recommended design considerations are followed, there are no guarantees that a
particular system will comply with all the necessary regulatory requirements. It is imperative that
specific designs be completely evaluated by a qualified/recognized agency.
*DAA stands for Data Access Arrangement. DAA is the telephone line interface of the SocketModem.
Electromagnetic Interference (EMI) Considerations
The following guidelines are offered specifically to help minimize EMI generation. Some of these guidelines are
the same as, or similar to, the general guidelines but are mentioned again to reinforce their importance. In
order to minimize the contribution of the SocketModem-based design to EMI, the designer must understand
the major sources of EMI and how to reduce them to acceptable levels.
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Keep traces carrying high frequency signals as short as possible.
Provide a good ground plane or grid. In some cases, a multilayer board may be required with full layers for
ground and power distribution.
Decouple power from ground with decoupling capacitors as close to the SocketModem power pins as
possible.
Eliminate ground loops, which are unexpected current return paths to the power source and ground.
Decouple the telephone line cables at the telephone line jacks. Typically, use a combination of series
inductors, common mode chokes, and shunt capacitors. Methods to decouple telephone lines are similar to
decoupling power lines; however, telephone line decoupling may be more difficult and deserves additional
attention. A commonly used design aid is to place footprints for these components and populate as
necessary during performance/EMI testing and certification.
Decouple the power cord at the power cord interface with decoupling capacitors. Methods to decouple
power lines are similar to decoupling telephone lines.
Locate high frequency circuits in a separate area to minimize capacitive coupling to other circuits.
Locate cables and connectors so as to avoid coupling from high frequency circuits.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
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Chapter 1 – Universal Socket Connectivity
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Lay out the highest frequency signal traces next to the ground grid.
If a multilayer board design is used, make no cuts in the ground or power planes and be sure the ground
plane covers all traces.
Minimize the number of through-hole connections on traces carrying high frequency signals.
Avoid right angle turns on high frequency traces. Forty-five degree corners are good; however, radius turns
are better.
On 2-layer boards with no ground grid, provide a shadow ground trace on the opposite side of the board to
traces carrying high frequency signals. This will be effective as a high frequency ground return if it is three
times the width of the signal traces.
Distribute high frequency signals continuously on a single trace rather than several traces radiating from
one point.
Electrostatic Discharge Control
All electronic devices should be handled with certain precautions to avoid damage due to the accumulation of
static charge.
See the ANSI/ESD Association Standard (ANSI/ESD S20.20-1999) – a document “for the Development of an
Electrostatic Discharge Control for Protection of Electrical and Electronic Parts, Assemblies and Equipment.”
This document covers ESD Control Program Administrative Requirements, ESD Training, ESD Control Program
Plan Technical Requirements (grounding/bonding systems, personnel grooming, protected areas, packaging,
marking, equipment, and handling), and Sensitivity Testing.
Multi-Tech Systems, Inc. strives to follow all of these recommendations. Input protection circuitry has been
incorporated into the Multi-Tech devices to minimize the effect of this static buildup, proper precautions
should be taken to avoid exposure to electrostatic discharge during handling.
Multi-Tech uses and recommends that others use anti-static boxes that create a faraday cage (packaging
designed to exclude electromagnetic fields). Multi-Tech recommends that you use our packaging when
returning a product and when you ship your products to your customers.
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Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
SocketModem Developer Board
This developer board drawing shows the major board components for all SocketModems.
Board Revision B. Refer to the next section for a description of Board Components.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
13
Chapter 1 – Universal Socket Connectivity
Board Components
Jumper
Description
JP1
JP2
Mutes the speaker. Default positions are 1 and 2 (speaker is not muted).
Ties the TX and RX clock lines together. Default positions are 1 and 2 (transmit and receive
clock act independently).
Sets the data rate. NORMAL sets the data rate at 250kbps.
H.S. (high speed serial communications) sets the data rate at 1Mbps.
Testing interface (debugging) for the RS-232 signals.
JP5 acts as a replacement for pin 45 when pin 45 is used for another function.
Testing interface (debugging) for the serial TTL signals.
JP9 is the 5V / 3.3V regulator. The factory default operating voltage is 3.3V.
Warning – Be sure that the 5V / 3.3V jumper is set to match the requirements of your
SocketModem. If this jumper is set incorrectly, damage to the SocketModem and/or the
Test/Demo card could result.
Caution: Use only the provided Multi-Tech Systems, Inc. transformer with the Test/Demo
board. Use of any other power source will void the warranty and will likely damage
the Test/Demo board and the SocketModem.
JP3
JP4
JP5
JP7
JP9
JP12
JP12 allows you to select either the internal 5V regulator (INT 5V) or to choose EXT 5V. For
the EXT 5V, you can use your own external 5V power source and plug it into J7.
Set either 5V or 3.3V for USB_VBUS line (supplied by the VCC of the USB jack).
Internal testing.
JP15 disconnects pin 45 from SLP with JP5 (the RS-232 driver sleep mode).
JTAG header.
Mosquito header. If used to debug the SocketModem while using the USB port, then the
JP14 would have to be removed to disconnect USB_VBUS.
Power feed for area where SocketModems are placed (J24).
Debugging probes.
Ground lug.
Set the switch block to the product being used.
Reset
JP13
JP14
JP15
JP16
JP17
JP18
JP19 & JP20
JP25 & JP26
S4
S5
Jumpers and Corresponding Signals
J4 and J7
10
PWR
CTS
DSR
DTR
RXD
RI
RTS
GND
TXD
DCD
J2 and J13
2 RXC
JP10
TX Term
14
1 TXC
JP11
RX Term
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
SocketModem Developer Board Block Diagram
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Developer Board Schematics
Board Revision B
16
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Developer Board Schematics
Board Revision B
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Developer Board Schematics
Board Revision B
18
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Developer Board Schematics
Board Revision B
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Developer Board Schematics
Board Revision B
20
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Cellular Information
Antenna System for Cellular Devices
The cellular/wireless performance is completely dependent on the implementation and antenna design.
The integration of the antenna system into the product is a critical part of the design process; therefore, it
is essential to consider it early so the performance is not compromised. If changes are made to the certified
antenna system of the SocketModem, then recertification will be required by specific network carriers such
as Sprint. The Antenna System is defined as the UFL connection point from the SocketModem to the
specified cable specifications and specified antenna specifications.
Antenna Specifications
PTCRB Requirements for the Antenna
There cannot be any alteration to the authorized antenna system. The antenna system must maintain the
same specifications. The antenna must be the same type, with similar in-band and out-of-band radiation
patterns.
GSM/EGSM RF Specifications
GSM 850
Frequency RX
Frequency TX
869 to 894 MHz
824 to 849 MHz
EGSM 900
925 to 960 MHz
880 to 915 MHz
GSM 1800
1805 to 1880 MHz
1710 to 1785 MHz
GSM 1900
1930 to 1990 MHz
1850 to 1910 MHz
GSM Antenna Requirements/Specifications
Frequency Range
Impedance
VSWR
Maximum Radiated
Gain Allowed by FCC
Radiation
Polarization
TRP/TIS
824 – 960 MHz / 1710 – 1990 MHz
50 Ohms
VSWR shall not exceed 2.0:1 at any point across the bands of operation
6.9/3.1 dBi
Omni-directional
Vertical
Including cable loss the total radiate power (TRP) at the antenna shall be no
less than +22/24.5 dBm for 850/1900 MHz respectively, and the total isotropic
sensitivity (TIS) at the antenna shall be no less than -99/101.5 dBm for
850/1900 MHz respectively.
GPS Antenna Requirements/Specifications
Frequency
Impedance
VSWR
Gain
LNA Current Consumption
Noise Figure
Polarization
Input voltage
1575.24MHz
50 Ohms
2.0:1 Max
10-30dB
40mA Max
< 2dB
RHCP
3.0V ± 0.3V
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Wi-Fi RF Specifications
IEEE 802.11 b/g
Frequency
Modulation
Receiver Sensitivity
Means Transmit Output Power
Range
2.4000 to 2.4835 GHz
OFDM & DSSS
-88dBm @11Mbps
-72dBm @54Mbps
14.5dBm for 802.11b
14dBm for 802.11g
Up to 100 meters in free space
Wi-Fi Antenna Requirements/Specifications
Frequency Range
Impedance
VSWR
Radiation
TRP/TIS
2.4000 to 2.4835 GHz
50 Ohms
2.0:1 Max
Omni-directional
The total radiated power (TRP) at the antenna shall be no less than +10
dBm for OFDM/DSSS, 11Mbps, free space and the total isotropic
sensitivity (TIS) at the antenna shall be no less than -85dBm for
OFDM/DSSS, 11Mbps, free space.
Bluetooth RF Specifications
IEEE 802.11 b/g
Frequency
Modulation
Number of Channels
Channel Intervals
Receiver Sensitivity
Transmit Rate
Means Transmit Output Power
Range
2402 to 2480 MHz
FHSS & GFSK
79
1MHz
-83dBm typical
721kbps
12dBm maximum
Up to 100 meters in free space
Bluetooth Antenna Requirements/Specifications
Frequency Range
Impedance
VSWR
Radiation
22
2402 to 2480 MHz
50 Ohms
2.0:1 Max
Omni-directional
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
OEM Integration
FCC Grant Notes
The OEM should follow all the grant notes listed below. Otherwise, further testing and device approvals
may be necessary.
The antenna gain, including cable loss, for the radio you are incorporating into your product design must
not exceed the requirements at 850 MHz and 1900 MHz as specified by the FCC grant for mobile operations
and fixed mounted operations as defined in 2.1091 and 1.1307 of the FCC rules for satisfying RF exposure
compliance. Power output listed is conducted.
This device is a mobile device with respect to RF exposure compliance. The antenna(s) used for this
transmitter must be installed to provide a separation distance of at least 20 cm from all persons, and must
not be collocated or operate in conjunction with any other antenna or transmitter except in accordance
with FCC multi-transmitter product guidelines. Installers and end-users must be provided with specific
information required to satisfy RF exposure compliance for installations and final host devices. (See note
under Grant Limitations.) Compliance of this device in all final host configurations is the responsibility of the
Grantee.
Grant Limitations
This device has been granted modular approval for mobile applications. Portable applications may require
further RF exposure (SAR) evaluations. Examples of mobile devices include wireless routers, desktop
computers, utility meters, etc. Examples of portable applications include devices such as a laptop, USB
dongle, mobile phone, tablet PC, and any device that can be worn on the body during use.
Your final product with this embedded device may need to pass FCC Part 15B.
This device has not been evaluated or approved for simultaneous transmission. Any simultaneous
transmission conditions should be evaluated per the current FCC KDB 447498 requirements. Simultaneous
transmission requirements for mobile devices are contained in Section 8.
KDB 447498 Section 8
a. Transmitters and modules certified for mobile or portable exposure conditions and categorically
excluded by § 2.1091(c) can be incorporated in mobile host devices without further testing or
certification when:
i. The closest separation among all simultaneous transmitting antennas is ≥ 20 cm;
or
ii. The antenna separation distance and MPE compliance boundary requirements that enable all
simultaneous transmitting antennas incorporated within the host to comply with MPE limits
are specified in the application filing of at least one of the certified transmitters incorporated
in the host device. In addition, when transmitters certified for portable use are
incorporated in a mobile host device the antenna(s) must be ≥ 5 cm from all other
simultaneous transmitting antennas.
b. All antennas in the final product must be at least 20 cm from users and nearby persons.
If the host device requires further authorization, consult an accredited FCC laboratory for guidance.
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
FCC Definitions
Portable: (§2.1093) — A portable device is defined as a transmitting device designed to be used so that
the radiating structure(s) of the device is/are within 20 centimeters of the body of the user.
Mobile: (§2.1091) — A mobile device is defined as a transmitting device designed to be used in other
than fixed locations and to generally be used in such a way that a separation distance of at least 20
centimeters is normally maintained between the transmitter’s radiating structure(s) and the body of
the user or nearby persons.
Host Labeling
The following statements are required to be on the host label:
This device contains FCC ID: {Add the FCC ID of the specific device}
This device contains equipment certified under IC ID: {Add the IC ID of the specific device}
For labeling examples, see Cellular Approvals and Labeling Requirements.
Coax Cables Specifications
SMA-to-UFL and RSMA-to-UFL Coax Cables
One SMA-to-UFL cable is included in the Developer Kit for use with all cellular modems that have a UFL
antenna connector.
A second SMA-to-UFL cable is included in the Developer Kit for use with products that include an optional
GPS receiver.
One RSMA-to-UFL cable is included in the Developer Kit for use with the SocketWireless Wi-Fi
(MT810SWM-IP).
Coax Cable Specifications
Cable Type
Attenuation
Connector Impedance
Maximum Cable Length
Coaxial Cable
<1.0db
50 ohm
16" (40 cm)
Optional antenna cables can be ordered from Multi-Tech Systems, Inc.
Part Number
CASMA-UFL-1
CASMA-UFL-10
CARSMA-UFL-1
CARSMA-UFL-10
24
Description
SMA-to-UFL Coax Cable (Single Pack)
SMA-to-UFL Coax Cable (Ten Pack)
RSMA-to-UFL Coax Cable (Single Pack)
RSMA-to-UFL Coax Cable (Ten Pack)
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Antennas Available from Multi-Tech
Part Number
ANQB-1HRA
ANQB-10HRA
ANQB-50HRA
Quad Band Description
Hinged Right Angle 800/900/1800/1900 MHz Cellular Antenna, 7.5"
Hinged Right Angle 800/900/1800/1900 MHz Cellular Antenna, 7.5"
Hinged Right Angle 800/900/1800/1900 MHz Cellular Antenna, 7.5"
Part Number
ANF1-1HRA
ANF1-10HRA
ANF1-50HRA
ANCF2-1HRA
ANCF2-10HRA
ANCF2-50HRA
Qty
10
50
Dual Band Description
Hinged Right Angle 900/1800 MHz Cellular Antenna, 4"
Hinged Right Angle 900/1800 MHz Cellular Antenna, 4"
Hinged Right Angle 900/1800 MHz Cellular Antenna, 4"
Hinged Right Angle 800/1900 MHz Cellular Antenna, 4"
Hinged Right Angle 800/1900 MHz Cellular Antenna, 4"
Hinged Right Angle 800/1900 MHz Cellular Antenna, 4"
Part Number
Qty
10
50
10
50
Bluetooth and Wi-Fi Description
Qty
ANBT-1
Hinged 2.4 MHz Bluetooth / Wi-Fi Antenna, 4"
ANBT-10
Hinged 2.4 MHz Bluetooth / Wi-Fi Antenna, 4"
10
Part Number
ANF1-1MMHW
ANF1-10MMHW
ANF1-50MMHW
ANF1-1MMQW
ANF1-10MMQW
ANF1-50MMQW
ANCF2-1MMHW
ANCF2-10MMHW
ANCF2-50MMHW
ANCF2-1MMQW
ANCF2-10MMQW
ANCF2-50MMQW
Mag Mount Dual Band Description
Mag Mount 900/1800 MHz 1/2 Wave Cellular Antenna, 12.5"
Mag Mount 900/1800 MHz 1/2 Wave Cellular Antenna, 12.5"
Mag Mount 900/1800 MHz 1/2 Wave Cellular Antenna, 12.5"
Mag Mount 900/1800 MHz 1/4 Wave Cellular Antenna, 4"
Mag Mount 900/1800 MHz 1/4 Wave Cellular Antenna, 4"
Mag Mount 900/1800 MHz 1/4 Wave Cellular Antenna, 4"
Mag Mount 850/1900 MHz 1/2 Wave Cellular Antenna, 12.5"
Mag Mount 850/1900 MHz 1/2 Wave Cellular Antenna, 12.5"
Mag Mount 850/1900 MHz 1/2 Wave Cellular Antenna, 12.5"
Mag Mount 850/1900 MHz 1/4 Wave Cellular Antenna, 4"
Mag Mount 850/1900 MHz 1/4 Wave Cellular Antenna, 4"
Mag Mount 850/1900 MHz 1/4 Wave Cellular Antenna, 4"
Part Number
ANGPS-1MM
ANGPS-10MM
Qty
10
50
10
50
10
50
10
50
GPS Description
Mag Mount GPS Antenna, 5 Meter Cable
Mag Mount GPS Antenna, 5 Meter Cable
Qty
10
Additional Source of Wi-Fi Antennas
Wi-Fi antennas can be ordered from: Aristotle Enterprises http://www.aristotle.com.tw
Part Number
RFA-02-5-F7M3
Description
2.4 GHz 5dBi Swi-Reverse-F Antenna
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Additional Sources of Bluetooth Antennas
Bluetooth antennas can be ordered from the following manufacturers. For the manufacturers listed
without specific part numbers, be sure to select the antenna that meets the requirements/specifications.
http://www.nearson.com (part number: S131AH-2450S)
http://www.ead-ltd.com
http://www.lairdtech.com/Products/
http://www.mobilemark.com
http://www.woken.com.tw/
Approved Antenna Cable Parts
GC Protronics: 20930C
Samtec: ASP-116785-01
The Coax Cable is an RG-178/U
Global Positioning System (GPS)
This information applies only to the SocketModem iCell GPRS with the GPS option.
Technical Specifications
Receiver Type
Accuracy
Open Sky TTFF
Sensitivity Tracking
Update Rate
Dynamics
Operational Limits
Datum
Interface
Protocol
26
L1 Frequency
GPS C/A code
SBAS Capable
51 Channel Acquisitions
14 Channel Tracking
Position 2.5m CEP
Velocity 0.1m/sec
Timing 300ns
Hot start 1 second
Cold start 29 seconds average
Reacquisition < 1s
-161dBm
1Hz standard
4G
Altitude < 18,000m or Velocity < 515m/s
Default WGS-84
UART
NMEA-0183 V3.01, GGA, GLL, GSA, GSV, RMC, VTG
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Features
●
●
●
●
●
●
●
Tests 8 million time-frequency hypothesis per sec
Open sky cold start 29 second
Signal detection better than –161dBm
Reacquisition sensitivity –155dBm
Accuracy 2.5m CEP
Multipath detection and suppression
Supports active or passive antenna
Underwriters Laboratories Required Global Positioning
System (GPS) Statement
Note the following information required by Underwriters Laboratories:
Underwriters Laboratories, Inc. (“UL”) has not tested the performance or reliability of the Global
Positioning System (“GPS”) hardware, operating software or other aspects of this product. UL has only
tested for fire, shock or casualties as outlined in UL’s Standard(s) for Safety.UL60950-1 Certification
does not cover the performance or reliability of the GPS hardware and GPS operating software. UL
MAKES NO REPRESENTATIONS, WARRANTIES OR CERTIFICATIONS WHATSOEVER REGARDING THE
PERFORMANCE OR RELIABILITY OF ANY GPS RELATED FUNCTIONS OF THIS PRODUCT.
Activating Cellular Device Accounts
Some Multi-Tech cellular modems have been pre-configured to operate on a specific cellular network,
such as Sprint or Verizon Wireless.
However, before you can begin to use the modem, you must set up a cellular data account with your
cellular network provider. Please refer to Multi-Tech’s Cellular Activation Web site
http://www.multitech.com/activation.go for information on activating your cellular modem.
Cellular Approvals and Labeling Requirements
Approvals and Certification
The Multi-Tech SocketModem is Industry and/or Carrier Approved as an End Product modem. In most
cases, when integrated and used with an antenna system that was part of the Multi-Tech modem
certification, no additional approvals or certifications are required (however, CDMA has a few exceptions)
for the device you develop as long as the following are met:
PTCRB Requirements:
●
The antenna system cannot be altered.
Model Identification:
IMPORTANT
When the cellular carrier asks you to provide the modem's model identification, give the MultiTech cellular model identification, not the identification of the host device model. See the label
example below.
The Multi-Tech model identification allows the carrier to verify the modem as one of its approved models.
This information is located on the modem's label.
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
End Product GPRS Label Example:
Host Device Model
Identification
Multi-Tech
SocketModem Model
Identification
IMEI
(International Mobile
Equipment Identity)
CDMA-C1 SocketModem Label Example:
Note:
The label is shown larger than actual size.
Multi-Tech Model Identification
Multi-Tech Ordering Part Number
MEID:
Mobile Equipment Identifier
Other Information the Cellular Carrier Asks You to Provide:
●
●
28
For CDMA SocketModems: The modem's MEID (Mobile Equipment Identifier) is printed under the
barcode on the modem.
For GSM SocketModems: The modem's 15-character IMEI (International Mobile Equipment Identity)
number is printed on the modem's label.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Safety Notices and Warnings
Note to OEMS: The following safety statements may be used in the documentation of your final product
applications.
Cellular Safety
RF Safety
The remote modems are cellular devices. 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.
Caution: A separation distance of at least 20 cm must be maintained between the modem 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 of the body of the user.
Check your local standards regarding safe distances, etc.
●
●
●
Operation of a cellular modem close to other electronic equipment may also cause interference if the
equipment is inadequately protected. Observe any warning signs and manufacturers’
recommendations.
Different industries and businesses have their own restriction govering the use of cellular devices.
Please observe the local restriction of the environment where you intend to operate the cell modem.
Under no circumstances should antenna be placed outdoors.
Vehicle Safety
●
●
●
●
●
Do not use your cellular device while driving.
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 a cellular telephone could interfere with the correct
functioning of vehicle electronics. To avoid such problems, be sure that qualified personnel have
performed the installation. 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.
UL has evaluated this device for use in ordinary locations only. Installation in a vehicle or other outdoor
locations has not been evaluated by UL. UL Certification does not apply or extend to use in vehicles or
outdoor applications or in ambient above 40° C.
Maintenance of Your Cellular Device
Your cellular device 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 attempt to disassemble the cellular device. There are no user serviceable parts inside.
Do not expose the cellular device to water, rain, or spilled beverages. It is not waterproof.
Do not place the cellular device alongside computer discs, credit or travel cards, or other magnetic
media. The phone may affect the information contained on discs or cards.
The use of accessories not authorized by Multi-Tech or not compliant with Multi-Tech's accessory
specifications may invalidate the warranty of the cellular device.
In the unlikely event of a fault in the cellular device, contact Multi-Tech Tech Support.
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Handling Precautions
All devices must be handled with certain precautions to avoid damage due to the accumulation of static
charge. Although input protection circuitry has been incorporated into the devices to minimize the effect
of this static build-up, proper precautions should be taken to avoid exposure to electronic discharge during
handling and mounting
Your Responsibility
This cellular device 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.
Regulatory Compliance Statements
Country/Region-Specific Statements
EMC, Safety, and R&TTE Directive Compliance
Some models have received CE certification. If you need CD compliance, check with your sales
representative.
The CE mark is affixed to this product to confirm compliance with the following European Community
Directives:
Council Directive 2004/108/EC of 15 December 2004 on the approximation of the laws of Member
States relating to electromagnetic compatibility;
and
Council Directive 2006/95/EC of 12 December 2006 on the harmonization of the laws of Member States
relating to electrical equipment designed for use within certain voltage limits;
and
Council Directive 1999/5/EC of 9 March 1999 on radio equipment and telecommunications terminal
equipment and the mutual recognition of their conformity.
International Modem Restrictions
Some dialing and answering defaults and restrictions may vary for international modems. Changing settings
may cause a modem to become non-compliant with national telecom requirements in specific countries.
Also note that some software packages may have features or lack restrictions that may cause the modem
to become non-compliant.
30
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
EMC Requirements for the United States
47 CFR – FCC Part 15 Regulation – Class B
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
47 CFR – FCC Part 15 regulations. The stated limits in this regulation are designed to provide reasonable
protection against harmful interference in a residential environment. This equipment generates, uses, and
can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Plug the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
This device complies with 47 CFR – FCC Part 15 rules. Operation of this device is subject to the following
conditions:
●
●
●
●
(1) This device may not cause harmful interference, and
(2) This device must accept any interference that may cause undesired operation.
Warning: Changes or modifications to this unit not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
EMC Requirements for Industry Canada
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Reglement Canadien sur le matériel
brouilleur.
This device complies with Industry Canada RSS Appliance radio exempt from licensing. The operation is
permitted for the following two conditions:
(1)
(2)
the device may not cause harmful interference, and
the user of the device must accept any interference suffered, even if the interference is likely to
jeopardize the operation.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de
licence. L'exploitation est autorisée aux deux conditions suivantes:
(1)
(2)
est
l'appareil ne doit pas produire de brouillage, et
l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage
susceptible d'en compromettre le fonctionnement.
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 1 – Universal Socket Connectivity
Waste Electrical and Electronic Equipment Statement
Note to OEMs: The statement is included for your information and may be used in the documentation of
your final product applications.
WEEE Directive
The WEEE directive places an obligation on EU-based manufacturers, distributors, retailers, and importers
to take-back electronics products at the end of their useful life. A sister Directive, ROHS (Restriction of
Hazardous Substances) complements the WEEE Directive by banning the presence of specific hazardous
substances in the products at the design phase. The WEEE Directive covers all Multi-Tech products
imported into the EU as of August 13, 2005. EU-based manufacturers, distributors, retailers and importers
are obliged to finance the costs of recovery from municipal collection points, reuse, and recycling of
specified percentages per the WEEE requirements.
Instructions for Disposal of WEEE by Users in the European Union
The symbol shown below is on the product or on its packaging, which indicates that this product must not
be disposed of with other waste. Instead, it is the user’s responsibility to dispose of their waste equipment
by handing it over to a designated collection point for the recycling of waste electrical and electronic
equipment. The separate collection and recycling of your waste equipment at the time of disposal will help
to conserve natural resources and ensure that it is recycled in a manner that protects human health and the
environment. For more information about where you can drop off your waste equipment for recycling,
please contact your local city office, your household waste disposal service or where you purchased the
product.
July, 2005
32
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Restriction of the Use of Hazardous Substances (RoHS)
Multi-Tech Systems, Inc.
Certificate of Compliance
2002/95/EC
Multi-Tech Systems Inc. confirms that its embedded products now comply with the chemical concentration
limitations set forth in the directive 2002/95/EC of the European Parliament (Restriction Of the use of
certain Hazardous Substances in electrical and electronic equipment - RoHS)
These Multi-Tech Systems, Inc. products do not contain the following banned chemicals:
●
●
●
●
●
●
Lead, [Pb] < 1000 PPM
Mercury, [Hg] < 1000 PPM
Hexavalent Chromium, [Cr+6] < 1000 PPM
Cadmium, [Cd] < 100 PPM
Polybrominated Biphenyl, [PBB] < 1000 PPM
Polybrominated Diphenyl Ether, [PBDE] < 1000 PPM
Additionally:
●
●
Moisture Sensitivity Level (MSL) =1
Maximum Soldering temperature = 260C (wave only)
Notes:
1.
Lead usage in some components is exempted by the following RoHS annex; therefore, higher lead
concentration would be found in some QuickCarrier USB devices (>1000ppm).
a. Lead in high melting temperature type solders (i.e., tin-lead solder alloys containing more than
85% lead).
b. Lead in electronic ceramic parts (e.g., piezoelectronic devices).
2.
Moisture Sensitivity Level (MSL) – Analysis is based on the components/material used on the board.
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Chapter 1 – Universal Socket Connectivity
Information on HS/TS Substances According to Chinese
Standards in English
In accordance with China’s Administrative Measures on the Control of Pollution Caused by Electronic
Information Products (EIP) # 39, also known as China RoHS, the following information is provided regarding the
names and concentration levels of Toxic Substances (TS) or Hazardous Substances (HS) which may be contained
in Multi-Tech Systems Inc. products relative to the EIP standards set by China’s Ministry of Information Industry
(MII).
Hazardous/Toxic Substance/Elements
Name of the Component
Printed Circuit Boards
Resistors
Capacitors
Ferrite Beads
Relays/Opticals
ICs
Diodes/ Transistors
Oscillators and Crystals
Regulator
Voltage Sensor
Transformer
Speaker
Connectors
LEDs
Screws, Nuts, and other
Hardware
ac-dc Power Supplies
Software /
Documentation CDs
Booklets and Paperwork
Chassis
34
Lead
(PB)
Mercury
(Hg)
Cadmiu
m (CD)
Hexavalent
Chromium
(CR6+)
Polybrominat
ed Biphenyl
(PBB)
Polybrominat
ed Diphenyl
Ether (PBDE)
Represents that the concentration of such hazardous/toxic substance in all the units of
homogeneous material of such component is higher than the SJ/Txxx-2006 Requirements for
Concentration Limits.
Represents that no such substances are used or that the concentration is within the
aforementioned limits.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 1 – Universal Socket Connectivity
Information on HS/TS Substances According to Chinese
Standards in Chinese
依照中国标准的有毒有害物质信息
根据中华人民共和国信息产业部 (MII) 制定的电子信息产品 (EIP)
标准－中华人民共和国《电子信息产品污染控制管理办法》（第 39 号），也称作中国 RoHS，下表列出了 Multi-Tech
Systems, Inc. 产品中可能含有的有毒物质 (TS) 或有害物质 (HS) 的名称及含量水平方面的信息。
有害/有毒物质/元素
成分名称
铅
(PB)
印刷电路板
电阻器
电容器
铁氧体磁环
继电器/光学部件
IC
二极管/晶体管
振荡器和晶振
调节器
电压传感器
变压器
扬声器
连接器
LED
螺丝、螺母以及其它五金件
交流-直流电源
软件/文档 CD
手册和纸页
底盘
汞
(Hg)
镉
六价铬
多溴联苯
多溴二苯醚
(CD)
(CR6+)
(PBB)
(PBDE)
表示所有使用类似材料的设备中有害/有毒物质的含量水平高于 SJ/Txxx-2006 限量要求。
表示不含该物质或者该物质的含量水平在上述限量要求之内。
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
35
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
Chapter 2 – SocketModem Cell &
iCell GPRS (MTSMC-G2)
The MTSMC-G2 is a serial to cellular quad-band GPRS SocketModem. It is a complete, ready-to-integrate
SocketModem that offers standards-based multi-band GSM/GPRS Class 10 performance. It is based on industrystandard open interfaces and utilizes Multi-Tech’s universal socket design. The SocketModem is available with
the Multi-Tech's Universal IP™ stack to bring embedded Internet connectivity to any device.
Network Activation
Note the following:
●
●
These units ship without network activation.
To connect to the cellular network, you will need a cellular account. See the Cellular Activation procedures
in Chapter 1.
Product Build Options and Ordering Information
Product
MTSMC-G2
MTSMC-G2-ED
MTSMC-G2-V
MTSMC-G2-V-ED
MTSMC-G2-IP
MTSMC-G2-IP-ED
MTSMC-G2-GP
MTSMC-G2-GP-ED
Description
Quad-band SocketModem Cell GPRS
Quad-band SocketModem Cell GPRS
Quad-band SocketModem Cell GPRS with Voice
Quad-band SocketModem Cell GPRS with Voice
Quad-band SocketModem iCell GPRS with Universal IP
Quad-band SocketModem iCell GPRS with Universal IP
Quad-band SocketModem Cell GPRS with GPS with Universal IP
Quad-band SocketModem Cell GPRS with GPS with Universal IP
Region
US Default
EU Default
US Default
EU Default
US Default
EU Default
US Default
EU Default
Developer Kit
MTSMI-UDK
Universal Developer Kit
Global
Product Codes in the Table Above:
G2 GPRS
GP Dedicated GPS Receiver
ED European Default is 900/1800 MHz
Note:
US Default is 850/1900 MHx
● V
Voice (microphone and speaker)
● IP
Universal IP™ Stack
● UDK Universal Developer Kit
Other Product Codes:
●
●
●
The complete product code may end in .Rx. For example, MTSMC-G2.Rx.
“R” indicates product revision. “x” is the revision number.
Note:
All products can be ordered in single packs or 50-packs. Single pack product codes end in SP.
●
●
36
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
AT Commands
Your Developer Kit CD contains AT Reference Guides for all embedded products. They are also available by
email request to oemsales@multitech.com or through the online Developer’s Guide Request Form on the
Multi-Tech website.
Products
SocketModem Cell
(MTSMC-G2 and
MTSMC-G2-V )
SocketModem iCell
(MTSMC-G2-IP &
MTSMC-G2-GP)
AT Commands Reference Guide Title & Document Number
GPRS AT Commands for Multi-Tech G2 Cellular Modems
(S000463x)
AT Commands for Multi-Tech G2 Cellular Modems with IP
Connectivity (S000469x)
GPRS AT Commands for Multi-Tech G2 Cellular Modems
(S000463x)
Universal IP Commands (S000457x)
Voice Commands
For G2-V (Voice)
build only
For G2-V (Voice)
build only
Technical Specifications
The SocketModem Cell and SocketModem iCell (MTSMC-G2 and MTSMC-G2-V) meet the following specifications:
Category
Standards
Frequency Bands
Serial/Data Speed
Data Format
Data Error Correction
Data Compression
Weight
Size
Operating Temperature
Storage Temperature
Humidity
Input Power
Operating Voltage
Voltage at Any Signal Pin
Antenna Connector
SIM Holder
IP Protocols Supported
M2M Applications
Description
GPRS Class 10
Quad-band GSM/EGPRS 850/900/1800/1900 MHz
Serial interface supports DTE speeds up to 921.6K
IP interface supports DTE speeds at the fixed rate of 115.2
Packet data up to 85.6K bps
Circuit-switched data (GPRS) up to 14.4K bps transparent and non-transparent
Supports data rates of 921600, 460800, 230400, 115200 bps
10 bit Serial Asynchronous
MNP2
V.42bis
1 oz. (28 g)
3.15" x 1.375" (80.010 mm x 34.925 mm)
-40° C to +85° C
-40 °C to +85°C
10% to 90%
5VDC
Supply Range: VCC
Maximum: 5.5
Minimum: GND
Maximum: VCC
Surface mount UFL (one for cellular and one for GPS)
Standard 1.8V and 3V SIM holder
MTSMC-G2, MTSMC-G2-V
DNS Resolve, FTP Client, LCP, PPP (dial-out),TCP socket, UDP socket, PAP &
CHAP authentication
MTSMC-G2-IP, MTSMC-G2-GP
DNS Client, FTP Client, ICMP (Ping), POP3 Client, SMTP Client, TCP Client &
Server, UDP Client & Server, IP, PPP (dial-out) with PAP & CHAP authentication
MTSMC-G2-IP, MTSMC-G2-GP
Automatic connect/reconnect, device monitor, modem emulation, Ping & TCP
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
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Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
Category
Compliance
Warranty
Note:
Description
keep alive, wake-up on caller ID, wake-up on ring, GPS tracking (GP model only)
EMC Compliance
FCC Part 15
EN55022
EN55024
Radio Compliance
FCC Part 22
FCC Part 24
RSS 132
RSS 133
EN 301 511
EN 301 489-1
EN 301 489-7
AS/ACIF S042.1
AS/ACIF S042.3
Safety Compliance
UL 60950-1
cUL 60950-1
IEC 60950-1
AS/NZS 60950-1
Network Compliance
PTCRB
Two years
The radio's performance may be affected at the temperature extremes. This is considered normal.
The radio is designed to automatically fallback in class and reduces transmitter power to avoid
damage to the radio. There is no single cause for this function. Rather, it is the result of an interaction
of several factors, such as the ambient temperature, the operating mode and the transmit power.
Mounting Hardware on the Board
It is recommended that nylon hardware be used if the SocketModems are to be mounted on the board using
the two tooling holes on the board due to possible traces and vias around the tooling holes.
●
38
Use #4 or M2/M3 hardware to mount the SocketModem® Cell & SocketModem® iCell GPRS (MTSMC-G2) to
the board.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
Mechanical Drawings
MTSMC-G2 Build
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
39
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
MTSMC-G2-Voice Build
40
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
MTSMC-G2-IP Build
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P)
41
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
MTSMC-G2 GP (GPS) Build
42
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
DC Electrical Characteristics
Units: Volts
5V DC Characteristics (VDD = 5V ± 0.25V) VDDMAX = 5.25V
Parameter
Digital Signal Input Low Level
–DTR (40), –TXD (35), –RTS (33)
Digital Signal Input High Level
–DTR (40), –TXD (35), –RTS (33)
Digital Signal Output Low Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Digital Signal Output High Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Reset (Low Active) Input Low Level
–Reset (24)
Reset (Low Active) Input High Level
–Reset (24)
Digital Input Capacitance
Minimum
Maximum
GND
0.8
Vcc
0.4
3.84
0.8
14pF
Power Measurements
Basic and Voice Builds, MTSMC-G2 and MTSMC-G2-V, Measured Power* at Input Voltage 5.00
Sleep Mode
Typical
Maximum Peak TX Peak RST
Current (AMPS)
0.015
0.113
0.24
Watts
0.074
0.564
1.195
1.40
1.60
IP Build, MTSMC-G2-IP, Measured Power* at Input Voltage 5.00
Sleep
Mode
Typical
Maximum Peak TX Peak RST
Current (AMPS)
0.080
0.135
0.280
Watts
0.382
0.664
1.358
1.40
1.70
GP Build, MTSMC-G2-GP (for GPS,) Measured Power* at Input Voltage 5.00
Sleep
Mode
Typical
Maximum Peak TX Peak RST
Current (AMPS)
0.121
0.225
0.370
Watts
0.598
1.11
1.81
1.60
1.85
* Multi-Tech Systems, Inc. recommends that the customer incorporate a 10% buffer into their power
source when determining product load.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
43
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
Application Notes
LED Interface
The LED signal is used to indicate the working status of the SocketModem.
LED 1 – Link Status – Available for G2, G2-V, G2-IP, and G2-GP
Builds
LED 1 Signal
Link Status LED
OFF
ON
Download mode or switched OFF
Continuously lit
Switched ON (not registered on the network)
Blinking
Switched ON (registered on the network)
LED 2 – Heartbeat LED – Available for G2-IP and G2-GP Builds
LED 2 Signal
Heartbeat LED
OFF
Blinking
No power to the unit
The unit is functioning
RF Performances
RF performances are compliant with the ETSI recommendation 05.05 and 11.10.
Receiver Features
Category
850 GSM Sensitivity
900 E-GSM Sensitivity
1800 DCS Sensitivity
1900 PCS Sensitivity
Description
-108
-108
-107
-107
Transmitter Features
Category
Maximum output power (GSM/E-GSM)
Maximum output power (DCS/PCS)
Description
+33 dBm ± 2 dB
+30 dBm ± 2 dB
RF Connection and Antenna
The RF connector on the SocketModem GPRS is a UFL standard type. See Chapter 1 for Antenna details.
44
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
Chapter 2 – SocketModem Cell & iCell GPRS (MTSMC-G2)
Microphone Inputs
Note:
For Voice Build Only.
The MIC inputs are differential ones. They already include the convenient biasing for an electret
microphone (0.5 mA and 2 Volts). This electret microphone can be directly connected on these inputs.
The impedance of the microphone has to be around 2K. These inputs are the standard ones for a
handset design.
The gain of the MIC inputs is internally adjusted. The gain can be tuned from 30dB to 51dB. The
connection to the microphone is direct.
MIC2P
C1 = 22pF to 100 pF
33 pF recommended
C1
MIC2N
Changing the Quad Band
If for any reason, such as moving the modem from one geographical area to another, you want to
change the band, you can accomplish this by using the +WMBS AT Command.
Steps for Changing the GSM Band
Use a terminal application such as HyperTerminal for entering the AT Command.
1.
To open HyperTerminal, click Start. Then select Programs > Accessories > Communications. Then
click HyperTerminal.
2.
When the command window opens, type AT+WMBS=. Press Enter.
3.
For , enter the option you desire:
4 = Dual-band mode 850/1900MHz
5 = Dual-band mode 900/1800MHz
For , enter the option you desire:
0 = Modem must be reset in order to use the specified band(s). This is the default.
1 = Modem restarts immediately using the specified band(s).
Example:
AT+WMBS=4,0. Press Enter.
Multi-Tech Systems, Inc. GPRS SocketModem Developer’s Guide (S000521A)
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