Chonghan CH-M3G2M6 Manuale utente

2018-3-30

Chonghan CH

-M4

Wireless Modem

User manual

Chonghan Wireless Modem Series

User manual

Cai Jinyong

CHONGHAN CO., LTD.

CAI JINYONG

2018-3-30

CHONGHAN CH-M4 WIRELESS MODEM USER MANUAL

页2

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 PA RTY.

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.

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 (0755) 26458200

Hours 8:30 AM to 6:00 PM GMT+8

Email [email protected]

FAX +86 (0755) 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/

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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. Dialing the telephone extension number ...............................................................................12

6. TTS Local speech broadcast.....................................................................................................12

6.1. UCS2 Encoding ............................................................................................................12

6.2. GBK GB2312 Encoding.................................................................................................12

7. TTS Remote speech broadcast ................................................................................................13

7.1. UCS2 Encoding ............................................................................................................13

7.2. GBK GB2312 Encoding.................................................................................................13

8. Record .....................................................................................................................................13

9. SMS Function ..........................................................................................................................14

9.1. GSM/GPRS SMS Function............................................................................................14

9.1.1. GSM/GPRS Message Relate Command ...........................................................14

9.1.2. GSM/GPRS Query SMS Center ........................................................................14

9.1.3. GSM/GPRS ASCII Message...............................................................................14

9.1.4. GSM/GPRS PDU Message................................................................................15

9.1.5. GSM/GPRS Send short letter...........................................................................15

9.1.6. GSM/GPRS Receive SMS..................................................................................17

9.1.7. GSM/GPRS Receive SMS Indication.................................................................17

9.1.8. GSM/GPRS Receive SMS auto display .............................................................17

9.2. SMS Process ................................................................................................................18

10. CSD ..................................................................................................................................18

10.1. Relate Command.....................................................................................................18

10.1.1. Modem Initial Command ................................................................................18

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10.1.2. Server Initial ....................................................................................................18

10.1.3. Client Dial A Data Call......................................................................................18

10.1.4. Server Manual Answer ....................................................................................18

10.1.5. Communication Operate Command ...............................................................19

10.1.6. Hang Up...........................................................................................................19

11. Reboot.............................................................................................................................19

12. Three-view Drawing ........................................................................................................19

13. Product List......................................................................................................................19

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1. Overview

This user guide describes the CH-M4 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 2018-01-02 Initial Release Version. Cai Jinyong

1.2.

References

CHONGHAN CHM3WIRELESS 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-M3G2M6 GPRS GSM850,EGSM900,DCS1800,PCS1900 RS232/RS485/TTL

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-M4 Series Wireless Modems, which

support various frequency bands of GPRS, 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 interface.

CH-M4 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

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wireless communication.

2.1.

Features

AT command interface

Support GPRS

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

LED Description

Power Flash Running

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DATA FLASH Access network

Interface Description

Antenna

50Ω/SMA/Female

SIM 3.3V/1.8V

Power Φ5.5mm/2.5mm, 5~48V ( suggest 12V )

Serial Port Terminal

Interface Description

Input power supply (5-48V)

2GND

3GND

4Reset (5s Low level effective)

5 RX-RS232

6 TX-RS232

7 RS485-A

8 RS485-B

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 .Click the send instruction in turn. Note: there is a return value and

then the next instruction operation.

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