WM620 AT
Command Manual
Copyright © Neoway Technology Co., Ltd
1
Boot LOG Instruction
After the 3G/GPRS module is booted, the UART1 outputs the following boot LOG:
+EIND: 128
+EUSIM: 1
LOG
LOG Description
1
+EIND: 128
Indicates that the module starts up successfully and can receive AT
commands.
2
+EUSIM: 1
Detect the SIM card.
For a China Mobile card, the module returns
+EUSIM:
0
.
For a China Unicom 2G card, the module returns
+EUSIM:
1
.
When the module does not detect any SIM card, the module returns
+EUSIM:ERROR
.
The return values are varied with MNC:
+EUSIM:0 for MNC=00/02/07
+EUSIM:1 for MNC=01/06
+EUSIM:2 for other MNC values
+EUSIM:ERROR indicates that the module did not detect SIM card.
Remarks
Users can determine whether the module starts up successfully or not by
detecting "+EIND:128".