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EVK-L20, EVK-L21 - User Guide 

UBX-14000422 - R03 

Early Production Information

 

Appendix 

 

 

Page 15 of 17

 

C

 

Examples of AT commands 

For the complete description and syntax of supported AT commands, see the 

u-blox AT commands Manual

 [1]. 

C.1

 

Internet connection in GPRS mode 

Command sent by DTE (user) 

DCE response (module) 

Description 

AT+CGATT? 

+CGATT: 1 
OK 

Check if the cellular module is attached to GPRS service  
(1 – attached, 0 – detached). 

AT+CGDCONT=1,"IP", 
"uni.tim.it" 

OK 

Define the PDP context parameters. 

AT+CGDCONT? 

+CGDCONT: 1,"IP","my_apn",
"0.0.0.0",0,0 
OK 

 

ATD*99***1# 

CONNECT 

Initiate the GPRS connection. 

+++ 

NO CARRIER 

Disconnect with +++ sequence. 

 

C.2

 

SMS management 

Command sent by DTE (user) 

DCE response (module) 

Description 

AT+CMGF=1 

OK 

Set the text mode as the format that will be used. To be set 
before of the first operation. 

AT+CMGS="+3930012345678" 
SMS TEXT MESSAGE 
0123456789<CTRL-Z>

 

> 
+CMGS: 0 
OK

 

Send 1

st

 SMS (+3930012345678 is written here as example). 

AT+CMGS="+3930012345678" 

> 

Send 2

nd

 SMS (+3930012345678 is written here as example). 

SMS TEXT MESSAGE 
0123456789<CTRL-Z> 

+CMGS: 1 
OK

 

 

AT+CMGL 

+CMGL:302,"REC UNREAD","+3
930012345678",,"05/09/27,1
6:40:36+08" 
 SMS TEXT MESSAGE 
0123456789 
OK

 

List all the incoming SMSes (+3930012345678 is written 
here as example). 

 

Содержание EVK-L20

Страница 1: ...EGPRS Cellular evaluation kit User Guide Abstract This guide explains how to set up the EVK L20 and EVK L21 Evaluation Kits to begin evaluating the u blox TOBY L200 and TOBY L210 LTE DC HSPA EGPRS ce...

Страница 2: ...01 15 N A u blox reserves all rights to this document and the information contained herein Products names logos and designs described herein may in whole or in part be subject to intellectual property...

Страница 3: ...ion 8 1 8 Board setup 8 1 9 Enabling error result codes 9 1 10 PIN code insertion when required 9 1 11 Registration on a cellular network 9 1 12 Switching off the EVK L2x 9 Appendix 10 A Setting up AT...

Страница 4: ...K L2x This section describes the main connections and settings required to get started See the TOBY L2 series Data Sheet 2 and TOBY L2 MPCI L2 series System Integration Manual 3 for the features suppo...

Страница 5: ...S adapter board called ADP GNSS contains the u blox GNSS module the GNSS antenna connector and the USB connector for the GNSS module The boards are connected by means of male header board to board con...

Страница 6: ...ular native USB Mini USB connector for cellular module native USB interface J100 ADP L2xx Primary cellular antenna SMA connector for the cellular module primary antenna ANT1 Tx Rx J104 ADP L2xx Second...

Страница 7: ...47 RSVD Not present 78 GND J301 Pins 7 10 17 RXD J301 Pin 16 48 RSVD Not present 79 GND J301 Pins 7 10 18 RSVD Not present 49 RSVD Not present 80 GND J301 Pins 7 10 19 RSVD Not present 50 I2S_WA J300...

Страница 8: ...5 Connect the AC DC 12 V power adapter provided with the evaluation kit box to 9 18 V Power Input connector J400 LED DL401 lights blue 6 Be sure to provide a jumper socket on the Cellular VCC supply j...

Страница 9: ...T CLCK SC 1 8180 OK Lock the PIN at power on the last parameter is the PIN of the SIM card 8180 is written here as an example 1 11 Registration on a cellular network Command sent by DTE user DCE respo...

Страница 10: ...page appears 3 On the Home page set up the AT COM port for the setting values see section 1 8 Check with the Windows Device Manager to find out which COM port is being used by EVK L2x Figure 3 Home pa...

Страница 11: ...0 87 85 23 6 83 224 70 94 83 224 66 138 0 0 OK DNS primary server address is 83 224 70 94 2 LTE case Command sent by DTE user DCE response module Description AT UBMCONF UBMCONF 1 OK Check the networki...

Страница 12: ...f the module registers to an LTE network AT COPS 0 OK Start automatic network registration AT CPIN CPIN READY OK Check the PIN status and act accordingly AT COPS COPS 0 0 I TIM 7 OK Check the COPS AcT...

Страница 13: ...EVK L20 EVK L21 User Guide UBX 14000422 R03 Early Production Information Appendix Page 13 of 17 5 Click on Properties 6 Search for Internet Protocol Version 4 TCP IPv4 and click on Properties...

Страница 14: ...ge 14 of 17 7 Check the Obtain an IP address automatically and Obtain DNS server address automatically option This the DHCP 8 If it is not possible to surf the web then set manually the DNS server add...

Страница 15: ...1 IP my_apn 0 0 0 0 0 0 OK ATD 99 1 CONNECT Initiate the GPRS connection NO CARRIER Disconnect with sequence C 2 SMS management Command sent by DTE user DCE response module Description AT CMGF 1 OK S...

Страница 16: ...u blox AT Commands Manual Docu No UBX 13002752 2 u blox TOBY L2 series Data Sheet Docu No UBX 13004573 3 u blox TOBY L2 MPCI L2 series System Integration Manual Docu No UBX 13004618 4 u blox m center...

Страница 17: ...e 65 6734 3811 E mail info_ap u blox com Support support_ap u blox com Regional Office Australia Phone 61 2 8448 2016 E mail info_anz u blox com Support support_ap u blox com Regional Office China Bei...

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