Chonghan CH-M1 User manual

2018-3-30
Chonghan CH
-M1
Wireless Modem
User manual
Chonghan Wireless Modem Series
User manual
Cai Jinyong
CHONGHAN CO., LTD.

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崇瀚科技
Chonghan
Power by Chonghan

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Important Notice
Due to the nature of wireless communications, transmission and reception of data can never
be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although
significant delays or losses of data are rare when wireless devices such as the Chonghan Wireless
device are used in a normal manner with a well‐constructed network, the Chonghan Wireless
device should not be used in situations where failure to transmit or receive data could result in
damage of any kind to the user or any other party, including but not limited to personal injury,
death, or loss of property. Chonghan Wireless accepts no responsibility for damages of any kind
resulting from delays or errors in data transmitted or received using the Chonghan Wireless device,
or for failure of the Chonghan Wireless device to transmit or receive such data.
Safety and Hazards
Do not operate the Chonghan Wireless device in areas where blasting is in progress, where
explosive atmospheres may be present, near medical equipment, near life support equipment, or
any equipment which may be susceptible to any form of radio interference. In such areas, the
Chonghan Wireless device MUST BE POWERED OFF. The Chonghan Wireless device can transmit
signals that could interfere with this equipment. Do not operate the Chonghan Wireless device in
any aircraft, whether the aircraft is on the ground or in flight. In aircraft, the Chonghan Wireless
device MUST BE POWERED OFF. When operating, the Chonghan Wireless device can transmit
signals that could interfere with various onboard systems.
Note: Some airlines may permit the use of cellular phones while the aircraft
is on the ground and the door is open. Chonghan Wireless device may be
used at this time.
The driver or operator of any vehicle should not operate the Chonghan Wireless device while
in control of a vehicle. Doing so will detract from the driver or operator’s control and operation of
that vehicle. In some states and provinces, operating such communications devices while in control
of a vehicle is an offence.
Limitations of Liability
This manual is provided "as is". Chonghan Wireless makes no warranties of any kind, either
expressed or implied, including any implied warranties of merchantability, fitness for a particular
purpose, or infringement. The recipient of the manual shall endorse all risks arising from its use.
The information in this manual is subject to change without notice and does not represent a
commitment on the part of Chonghan Wireless. CHONGHAN WIRELESS AND ITS AFFILIATES

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SPECIFICALLY DISCLAIM LIABILITY FOR ANY AND ALL DIRECT, INDIRECT, SPECIAL, GENERAL,
INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES INCLUDING, BUT NOT
LIMITED TO, LOSS OF PROFITS OR REVENUE OR ANTICIPATED PROFITS OR REVENUE ARISING OUT
OF THE USE OR INABILITY TO USE ANY CHONGHAN WIRELESS PRODUCT, EVEN IF CHONGHAN
WIRELESS AND/OR ITS AFFILIATES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR
THEY ARE FORESEEABLE OR FOR CLAIMS BY ANY THIRD PARTY.
Notwithstanding the foregoing, in no event shall Chonghan Wireless and/or its affiliates
aggregate liability arising under or in connection with the Chonghan Wireless product, regardless
of the number of events, occurrences, or claims giving rise to liability, be in excess of the price paid
by the purchaser for the Chonghan Wireless product.
Copyright
© 2010-2018 Chonghan Co., Ltd. All rights reserved.
Trademarks
"Chonghan®" is filed or registered trademark of Chonghan Co., Ltd. in P.R.China and/or in
other countries.
Windows® is a registered trademark of Microsoft Corporation.
QUALCOMM® is a registered trademark of QUALCOMM Incorporated. Used under license.
Other trademarks are the property of the respective owners.
Contact Information
Company Chonghan Co., Ltd.
Sales
Desk
Phone
[phone]
Hours 8:30 AM to 6:00 PM GMT+8
Email [email protected]
FAX [phone] x 805
Post Floor 2,Building 14,Nangang First Industrial Area, Songbai Road, Nanshan District,
Shenzhen, Guangdong, China (518000)
Web http://www.szchonghan.com/

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Contents
Important Notice...............................................................................................................................3
Safety and Hazards............................................................................................................................3
Limitations of Liability .......................................................................................................................3
Copyright...........................................................................................................................................4
Trademarks........................................................................................................................................4
Contact Information..........................................................................................................................4
Contents ............................................................................................................................................5
1. Overview ...................................................................................................................................7
1.1. Document History .........................................................................................................7
1.2. References.....................................................................................................................8
1.3. Abbreviations ................................................................................................................8
1.4. Products List ..................................................................................................................8
1.5. Presentation Rules ........................................................................................................9
1.6. AT Command Syntax......................................................................................................9
2. Introduction ..............................................................................................................................9
2.1. Features.........................................................................................................................9
2.2. Application ..................................................................................................................10
3. Device Connection ..................................................................................................................10
4. Commonest Command ...........................................................................................................12
5. SMS Function ..........................................................................................................................13
5.1. GSM/GPRS SMS Function............................................................................................13
5.1.1. GSM/GPRS Query SMS Center ........................................................................13
5.1.2. GSM/GPRS ASCII Message...............................................................................13
5.1.3. GSM/GPRS PDU Message................................................................................13
5.1.4. GSM/GPRS Message Relate Command ...........................................................14
5.1.5. GSM/GPRS Receive SMS..................................................................................14
5.2. CDMA SMS Function ...................................................................................................15
5.2.1. CDMA Send ASCII SMS ....................................................................................15
5.2.2. CDMA Send Unicode SMS ...............................................................................15
5.2.3. CDMA Commonest SMS Command ................................................................15
5.2.4. CDMA Receive SMS .........................................................................................15
5.3. SMS Process ................................................................................................................16
6. Dial Up.....................................................................................................................................16
6.1. Phone and Modem Option4........................................................................................17
6.2. Setting the 19200 Modem ..........................................................................................20
6.3. Add Connection...........................................................................................................22
6.4. Dial Up.........................................................................................................................28
6.5. APN/VPDN Setting.......................................................................................................29
6.5.1. GPRS APN Setting ............................................................................................29
6.5.2. VPDN Setting ...................................................................................................30
7. CSD ..........................................................................................................................................30

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7.1. Relate Command.........................................................................................................30
7.1.1. Modem Initial Command ................................................................................30
7.1.2. Server Initial ....................................................................................................30
7.1.3. Client Dial A Data Call......................................................................................31
7.1.4. Server Manual Answer ....................................................................................31
7.1.5. Communication Operate Command ...............................................................31
7.1.6. Hang Up...........................................................................................................31
8. Reboot.....................................................................................................................................31
9. Three-view Drawing ................................................................................................................32
10. Hardware Watchdog .......................................................................................................32
11. Product List......................................................................................................................33
12. Appendix .........................................................................................................................34
12.1Appendix A:WIN driver installation..................................................................................34
12.2Appendix B:MAC OS driver installation............................................................................38
12.3 Appendix C:Android driver installation ...........................................................................41

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1. Overview
This user guide describes the M1 series wireless modem. The aim of the manual is to ease the
test, install and disposition.
Note: Though all features are documented in this manual, new features
may still be in beta stage at publication and therefore may not yet be
validated. Please refer to the Customer Release Note for complete and
detailed information regarding beta and validated features at time of
release.
1.1.
Document History
Version Date Comments Author
1.00 2010-09-03 Initial Release Version. Samuel
1.01 2010-09-06 Update the references. Samuel
1.02 2010-09-07 Fix the DC plug describe. Samuel
1.03 2010-12-22 Modify the contact information. Samuel
1.04 2010-12-24 Modify the products list. Samuel
1.05 2011-02-14 Modify the copyright information. Samuel
1.06 2011-05-24 Modify the accessories information. Samuel
1.07 2011-05-27 Modify the SMS service center address command. Samuel
1.08
2011-09-28
Modify the received SMS description.
Samuel
1.09 2012-01-09 Update the product list.
Add data interface description.
Samuel
1.10 2012-07-18 Fix the SMS indicate description Samuel
1.11 2012-09-18 Update the product list Samuel
1.12 2013-03-08 Update the product list Samuel
1.13 2013-03-13 Add CH-M1C1H11
Remove CH-M1C1H7 CH-M1G2C1
Samuel
1.14 2013-09-13 Update PDU example Samuel
1.15 2013-09-25 Fix hardware watchdog description Samuel
1.16 2014-02-14 Add reboot command Samuel
1.17
2014-07-28
Update PDU example
Samuel
1.18 2015-10-20 Change contact Cai Jinyong
1.19 2015-12-08 Increase appendix Cai Jinyong
1.20 2016-05-16 Change address Cai Jinyong
1.21 2016-05-27 Add accessories list Cai Jinyong
1.22 2016-07-21 CH-M1C1Z12 Chinese SMS command modification Lei Dong
1.23 2016-08-12
MODEM SMS CDMA message to send and receive
Lei Dong

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changes
1.24 2017-05-10 Delete the old model Lei Dong
1.25 2017-06-20 Change the pictures Lei Dong
1.26 2017-08-01 Newly added SMS Process Cai jinyong
1.2.
References
CHONGHAN CHM1 WIRELESS MODEM QUICKSTART ENG
CHONGHAN CHM1G2S2 GPRS MODEM DATASHEET ENG
CHONGHAN CHM1G2Z13 GPRS MODEM DATASHEET ENG
CHONGHAN CHM1C1H11 CDMA MODME DATASHEET ENG
1.3.
Abbreviations
Abbr. Full name
APN Access Point Name
DAC Digital Analog Converter
GGSN Gateway GPRS Support Node
GPRS General Packet Radio Service
IP Internet Protocol
KB Kilobyte
MCC Mobile Country Code
MNC Mobile Network Codes
MS Mobile Station
PDU Protocol Data Unit
PLMN Public Land Mobile Network
RSSI Received Signal Strength Indication
SMA Small Adapter
SMS Short Message Services
1.4.
Products List
Product Description
M1G2S2 GPRS EGSM 900MHz
DCS 1800MHz
-25°C - +70°C 90% RS232/RS485/TTL/USB
M1C1Z12 CDMA 800MHz -30°C - +75°C 95% RS232/ RS485/TTL/USB
M1C1H11 -30°C - +75°C 95% RS232/RS485/TTL/USB

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1.5.
Presentation Rules
The AT commands ignore case. For recognizable, the lowercase for input and uppercase for
respond. For example:
at<CR> // input command
OK // device response
The send mode support all character send and receive, other mode only below valid:
Type Value Describe
Printable 0x20 ~ 0xFE <0x20> … <0xFE>
Carriage Return 0x0D <CR>
Line Feed 0x0A <IF>
transmit 0x1A <CTRL+Z>
Escape 0x1B <ESC>
1.6.
AT Command Syntax
at+xxx=?<CR> // returns the list of parameters and value
ranges
at+xxx=<…><CR> // sets user-definable parameter values
at+xxx?<CR> // returns the currently set value
at+xxx<CR> // execution command
Note: the AT command not case-sensitive, prefix by at and terminate by
<CR>.
2. Introduction
With the development of wireless communication technologies, wireless products are being
adopted in numerous industrial and civilian fields. Shenzhen Chonghan Co., Ltd. a leader of wireless
communication equipment manufacturer releases the CH-M1 Series Wireless Modems, which
support various frequency bands of GSM/GPRS/CDMA2000 1X, and provide industrial terminal
solutions for 2.5G/2.75G communication. As a wireless modem, it support AT command set via RS-
232/RS-485/TTL interface.
CH-M1 series wireless modem adopts industrial level modules, specially designed for the
complicated industrial environment which compatible with EMC, and will be your best choose of
wireless communication.
2.1.
Features
AT command interface
Support GSM （ GPRS ） /CDMA2000 1X

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Support Voice, SMS and CSD
Dial up, data communication(except CH-M1G1)
Support APN or VPDN(except CH-M1G1)
LED: power, ring, data
Interface level: RS232/RS485/TTL/USB
Watchdog(software and hardware)
Steel shell for anti-electromagnetic interference
2.2.
Application
Remote Data Monitor and Control
Water, gas and oil flow metering
AMR (automatic meter reading)
Power station monitoring and control
Remote POS (point of sale) terminals
Traffic signals monitor and control
Fleet management
Power distribution network supervision
Central heating system supervision
Weather station data transmission
Hydrologic data acquisition
Vending machine
Traffic info guidance
Parking meter
Telecom equipment supervision (Mobile base station, microwave or optical relay station)
Oil field data acquisition
Warehouse supervision
3. Device Connection
LED Description
Power ON boot
FLASH running
Ring ON boot
FLASH incoming call
Data ON boot
FLASH data transfer

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Interface Description
Antenna 50Ω/SMA/Female
SIM 3.3V/1.8V
Power Φ5.5mm/2.5mm, 5~25V ( suggest 12V )
Serial Port DB9
Data Interface PIN RS-232 RS-485
1 DCD (Power for Option) NC (Power for Option)
2 TXD B
3
RXD
A
4 DTR NC
5 GND GND
6 DSR NC
7 CTS NC
8
RTS
NC
9 RI NC
Assemble the antenna, power adapter, connect the modem to PC via RS-232 serial cable, open
the back cover, insert SIM/UIM card, at last, power on.
Note: Don’t insert or remove the SIM/UIM card in the power on status.
Open SSCOM and click the lower right corner to "Hide". Click the send instruction in turn. Note:
there is a return value and then the next instruction operation.

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Note: the Chonghan Wireless Modem port properties factory default is
115200/8/n/1/0, as above picture.
4. Commonest Command
AT<CR> // return OK
AT&F<CR> // restore Modem parameters to factory
DEFAULT
ATZ <CR> // loads user profile
AT&W<CR> // save parameters
AT+CSQ<CR> // signal query
AT+CXXCID<CR> // display card ID
AT+CREG?<CR> // verify the network registration status
AT+IPR? <CR> // query device baud rate
AT+IPR=115200<CR> // baud rate setting, support
115200/57600/38400/19200/9600/4800/2400/1200
ATD13612345678;<CR> // voice call
ATD13612345678<CR> // data call
ATA<CR> // incoming call answer
+++ // switch data mode to command mode
ATO<CR> // switch command mode back to data mode

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ATH<CR> // hang up
5. SMS Function
5.1.
GSM/GPRS SMS Function
The follow section fit for : GSM/GPRS series modem.
5.1.1. GSM/GPRS Query SMS Center
AT+CSCA?<CR> // query the SMS center number which auto get
from network
+CSCA : "[phone]" , 145
OK
5.1.2. GSM/GPRS ASCII Message
AT&F<CR> //Reply defaults
OK
ATE0<CR> //Close display
OK
AT&W<CR> //Preservation parameters
OK
AT+CSCS="GSM"<CR> // setting SMS character set
OK
AT+CMGF=1<CR> // setting SMS format
OK
AT+CMGS="13691978232"<CR> // destination number
> www.szchonghan.com→// message by ASCII sets, terminate character
"→" means CTRL+Z(0X1A)
+CMGS：xxx // message stamp
OK
Note: if no message stamp return, please resend the message again
5.1.3. GSM/GPRS PDU Message
AT&F<CR> //Reply defaults
OK
ATE0<CR> //Close display
OK
AT&W<CR> //Preservation parameters
OK
AT+CSCS="UCS2"<CR> // setting SMS character set
OK
AT+CMGF=0<CR> // setting SMS format
OK
AT+CMGS=26<CR> // PDU length ( Byte ), exclude the initial
"00" and terminate character <0x1a>

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>0031000B813196918732F20008A70C004100420043004400310032<0x1A>
// Unicode code, content "ABCD12", end by
(0X1A)
+CMGS：xxx // respond message reference
OK
Note: if no message stamp return, please resend the message again
PDU simple description
Type Initial Destination Ext Length Content
Sample 0031000B81
10bit
3196918732F2
12
0008A7
6
0C
12
0041 0042 0043 0044 0031
0032
5.1.4. GSM/GPRS Message Relate Command
AT+CMGF=1<CR> // setting ASCII mode
AT+CMGL="ALL"<CR> // query the SMS list
AT+CMGR=N<CR> // read the SMS, location value is n
AT+CMGD=N<CR> // delete the SMS, location value is n
5.1.5. GSM/GPRS Receive SMS
AT+CPMS=MT,MT,MT<CR> // Preferred SMS message storage
OK
5.1.5.1.
GSM/GPRS Receive SMS Indication
AT+CNMI=2,1<CR> // New SMS message indications setting
OK
+CMTI : "MT",1 // New SMS message indications
AT+CMGR=1<CR> // read SMS
+CMGR: 0, 23
544651984165416511515…
5.1.5.2.
GSM/GPRS Receive SMS auto display
AT+CSMS=1<CR> // Select Message Service
+CSMS: 1, 1, 1
OK
AT+CNMI=2,2<CR> // New SMS message indications setting
OK
+CMT : "+86138*******", ,"04/06/26" // auto display the new SMS
HELLO
AT+CNMA<CR> // acknowledge an incoming message
OK

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5.2.
CDMA SMS Function
5.2.1. CDMA Send ASCII SMS
AT&F<CR> //Reply defaults
OK
ATE0<CR> //Close display
OK
AT&W<CR> //Preservation parameters
OK
AT+ZMSGL=1,2<CR> // ASCII mode
OK
AT+CMGS="13691978232"<CR> // destination mobile number
www.szchonghan.com<CTRL+Z> // SMS content
+CMGS:1
OK
+ZCORG:
+ZCCNT:3,6
+CDS: 2,1,"13691978232",129,"07/08/02,11:28:40","09/08/02,11:28:45",32768
+ZCEND:29
5.2.2. CDMA Send Unicode SMS
AT&F<CR> //Reply defaults
OK
ATE0<CR> //Close display
OK
AT&W<CR> //Preservation parameters
OK
AT+ZMSGL=6,4<CR> // setting Unicode mode
OK
AT+CMGS="13691978232"<0XOD> // destination
<0x0041><0x0042><0x0043><0x0044><0x001A>
// "ABCD" and end character
+CMGS:1
OK
+ZCORG:
+ZCCNT:3,6
+CDS: 2,1,"13691978232",129,"07/08/02,11:28:40","09/08/02,11:28:45",32768
+ZCEND:29
5.2.3. CDMA Commonest SMS Command
AT+CMGL="ALL"<CR> // list SMS
AT+CMGR=N<CR> // read SMS, location value is n
AT+CMGD=N<CR> // delete SMS, location value is n
5.2.4. CDMA Receive SMS
AT+CNMI=2,1,1,1,0<CR> // setting new SMS notification
OK
+ZCANS:3

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+ZCCNT:3,14
+CMTI: "MT",0
+ZCEND:25
AT+CNMI=2,2,1,1,0<CR> // setting new SMS auto display
OK
+ZCANS:3
+ZCCNT:3,14
+CMT:"13360504647","07/08/02,03:02:00",129,1,2,0,5 ABCD
+ZCEND:25
5.3.
SMS Process
6. Dial Up
Follow is the dial up instance, use the Windows XP environment.
Note: CH-M1G1 GSM Modem do not support the dial up function.

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6.1.
Phone and Modem Option4
My ComputerControl PanelPhone and Modem Options
Modem tabAdd

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Select "Don’t detect my modem, I will select it from a list"
Select Standard 19200 bps Modem

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Select port COM1
Finish.

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6.2.
Setting the 19200 Modem
Open the standard 19200 bps Modem properties