Huawei MC509 Manual De Usuario

 

HUAWEI MC509 CDMA LGA Module 
AT Command Interface Specification 

Security Control Commands 

 

Issue 01 (2011-08-26) 

Huawei Proprietary and Confidential 

Copyright © Huawei Technologies Co., Ltd. 

50 

 

<pin2_times>: Specifies the remaining number of PIN2 entry attempts, and the 
maximum number of entry attempts is 3 (not supported at present). 

4.4 +CPWD–Command for Changing the Password 

4.4.1 Syntax 

+CPWD=<fac>,<oldpwd>, 

<newpwd> 

<CR><LF>OK<CR><LF> 

In case of an MT-related error: 

<CR><LF>+CME ERROR:<err><CR><LF> 

+CPWD=? 

<CR><LF>+CPWD:supported (<fac>,<pwdlength>) 
list <CR><LF> 

<CR><LF>OK<CR><LF> 

In case of an MT-related error: 

<CR><LF>+CME ERROR:<err><CR><LF> 

 

4.4.2 Interface Description 

The execution command changes the PIN and PIN2 codes of the equipment. 

The test command queries the supported equipment and the maximum length of the 
equipment password. 

 

The password can be changed only when the PIN is enabled (that is, 1 is returned when the 
+CLCK command is executed for query). 

 

4.4.3 Parameter Description 

<fac>: A string with double quotation marks. <fac> specifies the equipment (only the 
R-UIM card is supported, with the value of SC) operated by this command. 

"SC": Specifies the PIN code of the R-UIM card. 

"P2" 

: Specifies the PIN2 code of the R-UIM card (reserved and not supported at 

present). 

<oldpwd>,<newpwd>: A string with double quotation marks, specifying the old 
password and new password. The maximum length is specified by <pwdlength>. 
The string consists of digits 0–9 only. Otherwise, "ERROR" is returned. 

<pwdlength>: Specifies the maximum length of the password of the equipment lock.