Chonghan CH-M3 Operation & User’s Manual
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Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 43 2. Click on the driver installer pkg file to run the driver installation process. Click Continue to proceed and follow the succeeding instructions to complete the installation. 3. At the end of the installation, you will need to restart your computer. Close all programs and click Restart to complete installation and reboot the system.
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 12 Choose the communication port. Setting the port properties. Note: the Chonghan Wireless Modem port properties factory default is 115200/8/n/1/0, as above picture.
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 48 7. If the PL2303 USB device is detected, the app will pop out a connected status message. If not, re-plug the device and click OPEN. Make sure you get a connected pop out message. 8. There are two ways to run the PL2303 Simple Test app: Using Loop back Connector: i. Plug a loop back connector (TX/RX pins short) to the USB-to-Serial RS232 cable. Set the desired baud rate settings.
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 13 After setting, the Hyper Terminal window as above. Click call button, the Hyper Terminal is ready for operate. 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?
CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 4 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, EVE
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 9 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
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 47 4. The PL2303 Android app will start to install. 5. When Application is installed, click OPEN. 6. Plug in the PL2303 USB to Serial device. Click OK when prompted to allow the app to access the USB device
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 34 6.5. APN/VPDN Setting 6.5.1. APN Setting This setting is only for GPRS modem. The APN is special parameter provide by ISP. Follow is a sample by China Mobile, which APN is "CMNET" AT+CGDCONT=1,"IP","CMNET" (GPRS Modem) This setting is only for LTE modem.
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 22 Tab "Modem", change the maximum port speed to 115200 Open tab "Diagnostics", Query Modem for detect the modem status. Open tab "Advanced", fill the extra initialization commands
CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 49 ii. Click Loop back button iii. Or type the keyboard on the Write box field and click Write button to send data (TX pin). Click Read Data button to read the data (RX pin).
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 23 Type Extra initialization command LTE Modem NULL GPRS Modem AT+CGDCONT=1,"IP","CMNET" (GPRS Modem)
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 50 Using Null Modem cable and Windows PC and Hyper Terminal program: i. Plug a serial null modem cable to the PL2303 USB Serial cable and the other end to a RS232 COM port (or another PL2303 USB-Serial cable) of another computer. Run Hyper Terminal program on PC or other serial terminal program and open COM port. ii. Enter keyboard on Write box field and click Write. Check PC Hyper Terminal program if data is received. Enter keyboard on Hyp
CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 37 9. Three-view Drawing 10. Product List Name Unit Quantity Describe Picture CH-M3 (Serial type) Item 1 Device
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 7 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 1.01 2016-12-02 Release CH-M3G7M5 Lei Don
Chonghan CH-M3, CAI JINYONG 2017-8-1 CHONGHAN CH-M3 WIRELESS MODEM USER MANUAL 页 46 1. Power on your Android device (Android 3.2 and above) with USB host support. Only one PL2303 device is supported. 2. Click check on the Android Sample Test program ( app_PL2303HXDSimpleTest.app ) to run install. 3. Click Install when prompted to install the Android app.
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