Passwd, Obile – Siemens MC55 User Manual

Page 238

MC55 AT Command Set

9.11 AT+CPUC

obile

MC55_ATC_V01.05

Page 238 of 469

2/10/04

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Price per unit; dot is used as a decimal separator (e.g. "2.66"). The length is limited to 20 characters. If the string
length is exceeded, the command is terminated with an error. This string may only contain digits and a dot. Lead-
ing zeros are removed from the string. The minimum and maximum value are determined by the structure of the
SIM-PUCT file. The maximum price per unit value is 999 999 999.00. When successfully entered, this value is
rounded to maximum accuracy.
Note: Due to storage in mantisse (range 0-4095) and exponent (-7 to 7) it is possible that rounding errors occur.

SIM PIN2. String parameter which can contain any combination of characters. The maximum string length is
limited to 8 characters. If this value is exceeded, the command terminates with an error message. If the PIN2 is
incorrect, a CME error (+CME ERROR: incorrect password) is output.

Example

To change currency and/or price per unit you have two ways:

You can enter PIN2 along with the

AT+CPUC

command:

Alternatively, you can first use the

AT+CPIN2

command to enter PIN2. When you execute the

AT+CPUC

com-

mand, subsequently, take into account that PIN2 authentication expires after 300ms (see notes in

AT+CPIN2