Siemens HC15 Manuel D’Utilisation

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Getting Started with HC15 
Confidential / Preliminary 
s
 
HC15_startup_v01 
Page 16 of 31 
2007-01-22 
3.2 
Switching on the HC15 
The HC15 can be started by pressing the IGT key of the DSB75. Please wait approximately 
2 seconds before using the module, for example before entering AT commands.  
 
Disconnecting and plugging the USB cable during operation is not supported. 
 
 
3.3 
Switching off the HC15 
To shut down the HC15 module, enter the AT^SMSO command. This enables the ME to 
save all data and perform an orderly shutdown. 
 
AT^SMSO 
OK 
 
The ME switches off.  
 
 
 
The HC15 module can also be switched off by using the IGT line as described in [1] (see 
AT^SCFG) and [1] (see section “Configuring the IGT Line for Use as ON/OFF Switch”). 
 
 
3.4 Registering 
to the Network 
Make sure to operate the HC15 always with the UICC card inserted in the DSB75 card 
reader and a valid SIM PIN entered. This is because most AT commands require SIM PIN 
authentication. 
Write command:  AT+CPIN=<pin>[, <new pin>] 
 
at+cpin? 
+CPIN: SIM PIN 
OK 
at+cpin=1234 
OK 
at+cpin? 
+CPIN: READY 
OK 
 
Entering the SIM PIN.