Chonghan CH-M3 Wireless Modem User manual

2019-9-20

Chonghan CH-M3 Wireless Modem User manual Chonghan Wireless Modem Series

User manual

Samuel

CHONGHAN CO., LTD.

SAMUEL 2019-9-20

CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL

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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 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.

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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 ©2010-2019 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 +86 (755) 26458200 Hours 8:30 AM to 6:00 PM GMT+8 Email [email protected] FAX +86 (755) 26485200 x 805

Post Floor 2,Building 14,Nangang First Industrial Area, Songbai Road, Nanshan District, Shenzhen, Guangdong, China (518000)

Web http://www.szchonghan.com/

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 ..................................................................................................................... 7 1.3. Abbreviations ................................................................................................................ 7 1.4. Products List .................................................................................................................. 8 1.5. Presentation Rules ........................................................................................................ 8 1.6. AT Command Syntax ...................................................................................................... 8

2. Introduction .............................................................................................................................. 8 2.1. Features ......................................................................................................................... 9 2.2. Application .................................................................................................................... 9

3. Device Connection .................................................................................................................... 9 4. Commonest Command ........................................................................................................... 11 5. SMS Function .......................................................................................................................... 11

5.1. GSM/GPRS/LTE SMS Function ..................................................................................... 11 5.1.1. GSM/GPRS/LTE Message Relate Command .................................................... 11 5.1.2. GSM/GPRS/LTE Query SMS Center.................................................................. 11 5.1.3. GSM/GPRS/LTE ASCII Message ........................................................................ 12 5.1.4. GSM/GPRS/LTE PDU Message ......................................................................... 12 5.1.5. GSM/GPRS/LTE Send long letter ...................................................................... 13 5.1.6. GSM/GPRS Receive SMS .................................................................................. 15

5.2. SMS Process ................................................................................................................ 16 6. TTS voice broadcast function .................................................................................................. 16

6.1. Judgement operator .................................................................................................... 16 6.2. UNICODE encoding mode ........................................................................................... 17 6.3. GBK encoding mode .................................................................................................... 17

7. CSD .......................................................................................................................................... 17 7.1. Relate Command ......................................................................................................... 17

7.1.1. Modem Initial Command ................................................................................ 17 7.1.2. Server Initial .................................................................................................... 17 7.1.3. Client Dial A Data Call ...................................................................................... 18 7.1.4. Server Manual Answer .................................................................................... 18 7.1.5. Communication Operate Command ............................................................... 18 7.1.6. Hang Up ........................................................................................................... 18

8. Reboot ..................................................................................................................................... 18 9. Three-view Drawing ................................................................................................................ 18

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10. Product List...................................................................................................................... 19

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1. Overview This user guide describes the CH-M3 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 2016-09-19 Initial Release Version. Lei Dong 2.00 2019-03-11 Renew command presentation rules. Samuel 2.01 2019-04-26 Update network support. Samuel 2.10 2019-06-25 Update TTS description. Samuel 3.00 2019-07-11 Remove ppp function. Samuel 3.01 2019-09-10 Remove old command &w z. Samuel 3.02 2019-09-12 Update product list. Samuel 3.03 2019-09-20 Add USB product. Samuel

1.2. References CHONGHAN CHM1 WIRELESS MODEM QUICKSTART 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

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1.4. Products List Product Description CH-M3G2Q2

GPRS GSM850,EGSM900,DCS1800,PCS1900 Support:China Mobile Network

RS232/RS485/TTL/USB

CH-M3G7Z19

LTE

GSM: B3, B8 TD-SCDMA: B34/B39 FDD-LTE :B1/B3 TDD-LTE :B38/B39/B40/B41 CDMA 1X:800M CDMA EVDO: 800M WCDMA: B1 Support China Mobile, China Unicom, China Telecom network

RS232/RS485/TTL/USB

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 <lf> transmit 0x1a <ctrl+z> Escape 0x1b <esc>

1.6. AT Command Syntax at+xxx=?<cr> // returns the list of parameters and value ra

nges at+xxx=yyy<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-M3 Series Wireless Modems, which support various frequency bands of GPRSLTE, and provide industrial terminal solutions for 2.5G/2.75G communication. As a wireless modem, it support AT command set via RS-232/RS-

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485/TTL interface. CH-M3 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 GPRS/LTE Support Voice, SMS and CSD Dial up, data communication Support APN or VPDN LED: power, ring, data Interface level: RS232/RS485/TTL 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 Interface Description Outlook

LED PWR RING DATA

Antenna 50Ω/SMA/Female Power Φ5.5mm/2.5mm, 5~48V (suggest12V) Serial Port DB9 (RS232/RS485/TTL)

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SIM 1.8/3.3V

PIN RS-232 RS-485 Data Interface 1 NC (Power for Option) NC (Power for Option)

2 TXD B 3 RXD A 4 NC NC 5 GND GND 6 NC NC 7 NC NC 8 NC NC 9 NC NC

Open the back cover, insert SIM/UIM card, connect the modem to PC via RS-232 serial cable, assemble the antenna, power adapter, 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 parameters to factory default 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 115200/57600/38

400/19200/9600/4800/2400/1200 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 ath<cr> // hang up

5. SMS Function 5.1. GSM/GPRS/LTE SMS Function The follow section fit for : GSM/GPRS/LTE series modem.

5.1.1. GSM/GPRS/LTE 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

5.1.2. GSM/GPRS/LTE Query SMS Center at+csca?<cr> // query the SMS center number which auto get

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from network +CSCA : "+8613800755500" , 145 OK

5.1.3. GSM/GPRS/LTE ASCII Message at&f<cr> // Reply defaults OK ate0<cr> // Close display 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 or <0x1a> +CMGS：xxx // message stamp OK

Note:1.f no message stamp return, please resend the message again;2. LTE series: China Mobile, China Unicom, China Telecom Send text messages in consistent format

5.1.4. GSM/GPRS/LTE PDU Message at&f<cr> //Reply defaults OK ate0<cr> //Close display 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 "0

0" and terminate character <0x1a> > 0031000b813196918732f20008a70c004100420043004400310032<0x1a> // Unicode code, content "ABCD12", end by (0X1

A) +CMGS：xxx // respond message reference OK

Note: if no message stamp return, please resend the message again; 2. LTE series: China Mobile, China Unicom, China Telecom Send text messages in consistent format

PDU simple description Code Comment 0031000b81 Initial 3196918732f2 Destination 0008a7 Ext 0c Length 0041 0042 0043 0044 0031 0032 Content

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5.1.5. GSM/GPRS/LTE Send long letter at&f<cr> //Reply defaults OK ate0<cr> //Close display OK at+cscs="ucs2"<cr> // Set SMS coding OK // Return value at+cmgf=0<cr> // Set Unicode mode OK // Return value at+cmgs=132<cr> // PDU coding length > 0051000b813196918732f20008a7760500032302014e1c98ce591c653e82b153436811ff0c66f45439843dff0c661f598296e830025b9d9a6c96d58f6699996ee18def300251e47bab58f052a8ff0c738958f651498f6cff0c4e00591c9c7c9f99821e300286fe513f96ea67f39ec491d17f15ff0c7b118bed76c876c86697999953bb3002<0x1a> // The content of the message "input Unicode e

ncoding the fireworks thousand trees, more trees, stars like rain. BMW carving. Fung sound, its full light, night ichthyosaurs dance. Chongchong golden thread, laughter floats to." The terminator is <0x1a>

+CMGS：NNN // The return value, NNN serial number OK // Return value at+cmgs=68<cr> // PDU coding length > 0051000b813196918732f20008a7360500032302024f1791cc5bfb4ed65343767e5ea6ff0c84e6713656de9996ff0c90a34eba53745728ff0c706f706b961173ca59043002<0x1a> // The content of the message "Unicode encodin

g the input he found the degreeses, suddenly look back, that person but in the lights dim." The terminator is <0x1a>

Note: if no message stamp return, please resend the message again; 2. LTE series: China Mobile, China Unicom, China Telecom Send text messages in consistent format

Simple description of PDU encoding Code Comment 0031000b81 Initial 3196918732f2 Destination 0008a7 Ext 76 Length

05

SMS merge protocol identifier

Length of protocol header

00 Split SMS logo

03 Length of data element

23 Used to merge two text messages

02 A total of two 01 This is the first

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4e1c98ce591c653e82b153436811ff0c66f45439843dff0c661f598296e830025b9d9a6c96d58f6699996ee18def300251e47bab58f052a8ff0c738958f651498f6cff0c4e00591c9c7c9f99821e300286fe513f96ea67f39ec491d17f15ff0c7b118bed76c876c86697999953bb3002

Content

Mobile phone number: f encoding end number string pairs filled digital, 22 character change position.

The above examples show the target mobile phone number 13691978232 sends content to spend the night of Dongfeng, more trees, stars like rain. BMW carving. Fung sound, its full light, night ichthyosaurs dance. Chongchong golden thread, laughter floats to.". PDU length: does not contain the initial 00 and the final <0x1a>, and then divided by the number of examples in the case of 132, the number of the.

User information coding length: in the example, the message merge protocol identifies a length of 6 + Unicode with a length of 112 and a length equal to about 118, so it is written to be 76.

Simple description of PDU encoding Code Comment 0031000b81 Initial 3196918732f2 Destination 0008a7 Ext 36 Length

05

SMS merge protocol identifier

Length of protocol header

00 Split SMS logo

03 Length of data element

23 Used to merge two text messages

02 A total of two 02 This is the second 4f1791cc5bfb4ed65343767e5ea6ff0c84e6713656de9996ff0c90a34eba53745728ff0c706f706b961173ca59043002

Content

Mobile phone number: F encoding end number string pairs filled digital, 22 character change position.

The above examples show the target mobile phone number 13691978232 to send the contents of "he found the degreeses, suddenly look back, that person but in the lights dim.". PDU length: does not contain the initial 00 and the final <0x1a>, and then divided by the number of examples in the case of 68, the number of the.

User information coding length: in the example, the message merge protocol identifies a

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length of 6 + Unicode with a length of 48 and a length equal to about 54, so it is written to be 36.

5.1.6. GSM/GPRS Receive SMS at+cpms=mt,mt,mt<cr> // Preferred SMS message storage OK

5.1.6.1. 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…

5.1.6.2. 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

5.1.6.3. 4G LTE Receive SMS auto display

5.1.6.3.1. PDU Mode at+cmgf=0<cr> //PDU Mode +CMTI: "ME",0 // Prompt to receive a short message (stored i

n location: 0) at+cmgr=0<cr> // Read location 0 SMS +CMGR: 0,,40 0891683108705505F0040D91683127683948F5000881213061238023144F60597DFF0C6DF157335E025D07701A79D16280 OK // Return value at+cmgd=0<cr> // Delete location 0 SMS OK // Return value

PDU Coding analysis Example：你好，深圳市崇瀚科技 0891683108705505F0040D91683127683948F5000881213061238023144F60597DFF0C6DF157335E025D07701A79D16280

Code Comment 0891683108705505F0 Number Center 04 AUTO 0D Phone number length 91683127683948F5 Phone number 00 AUTO 08 UNICODE 81213001850323 time: 18-12-03 10:58:32 14 SMS length

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4F60597DFF0C6DF157335E025D07701A79D16280

SMS：你好，深圳市崇瀚科技

5.1.6.3.2. ASCII Mode at+cmgf=1<cr> //ASCII Mode OK // Return value +CMTI: "ME",0 // Prompt to receive a short message (stored i

n location: 0) at+cmgr=0<cr> // Read location 0 SMS +CMGR: "REC UNREAD","+8613728693845",,"18/12/03,17:04:45+32" 4F60597D // SMS：你好 OK // Return value +CMTI: "ME",1 // Prompt to receive a short message (stored i

n location: 1) at+cmgr=1<cr> // Read location 1 SMS +CMGR: "REC READ","+8613728693845",,"18/12/03,17:02:28+32" Hello //SMS：Hello OK // Return value at+cmgd=0<cr> // Delete location 0 SMS OK // Return value

5.2. SMS Process

6. TTS voice broadcast function This function is only suitable for CH-M3G7Z19 model.

6.1. Judgement operator Judge the first five digits:

at+cimi<cr> 460036281409309 OK

China Mobile: 46000, 46002, 46007 China Unicom: 46001, 46006, 46009 China Telecom: 46003, 46005, 46011 China Tietong: 46020 China Telecom calls voice phone commands: AT + CDV13612345678;

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Other operators use orders: ATD13612345678;

6.2. UNICODE encoding mode <data>: Broadcast content, currently supports 512 unicode/gbk characters (2048 encoding length, ZTTS two GBK encoding and UNICODE encoding both support 2048 encoding length, corresponding to 512 characters); UNICODE encoding format is before and after byte exchange position, such as "欢" (6B22), after position replacement (226B).

at&f<cr> // Restore factory settings OK // Return ate0<cr> // Close back display OK // Return atd13612345678;<cr> // Dial Voice Telephone (Except Telecom) OK // Return RINGBACK // Ringing CONNECT // Receiving state at+ztts=a,"226bce8f7f4f2875ed8bf39708541062fb7cdf7e"<cr> // In UNICODE encoding format, the text is:“欢

迎使用语音合成系统” OK +ZTTS: 0 // End of voice play at+chup<cr> //Hang up locally NO CARRIER //Remote hangup

6.3. GBK encoding mode Note: The CDMA network uses "AT + CDV13612345678;" to make voice calls. <data>: The broadcast content currently supports 512 unicode/gbk characters (2048 encoding length, ZTTS GBK encoding and UNICODE encoding both support 2048 encoding length, corresponding to 512 characters;).

at&f<cr> // Restore factory settings OK // Return ate0<cr> // Close back display OK // Return atd13612345678;<cr> // Dial Voice Telephone (Except Telecom) OK // Return RINGBACK // Ringing CONNECT // Receiving state at+ztts=b,"bbb6d3adcab9d3c3d3efd2f4bacfb3c9cfb5cdb3"<cr> // In UNICODE encoding format, the text is:“欢

迎使用语音合成系统” OK +ZTTS: 0 // End of voice play at+chup<cr> //Hang up locally NO CARRIER //Remote hangup

7. CSD 7.1. Relate Command

7.1.1. Modem Initial Command at&f<cr> // restore parameters at+ipr=115200<cr> // setting fixed baud rate

7.1.2. Server Initial ats=2<cr> // auto answer after 2 ring received.

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7.1.3. Client Dial A Data Call atd<dn>;<cr> // data call without ";", and [dn] is the CSD

server number

7.1.4. Server Manual Answer ata<cr> // manual answer

7.1.5. Communication Operate Command +++ // terminal data transfer, back to the command

mode ato<cr> // switch command mode to data transfer mode

7.1.6. Hang Up ath<cr> // hang up the data channel

8. Reboot at+cfun=1,1<cr> // reboot device

9. Three-view Drawing

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10. Product List Name Unit QTY. Describe Picture

Standard

CH-M3 (Serial type)

Item 1 Device

Antenna Item 1 SMA

Option1

Power Adapter

Item 1 DC 12V1A

DB-9 Cable Item 1 DB9

Option2 USB Cable Item 1 TypeA-MacroB

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Chonghan CH-M3 Wireless Modem User manual