Siemens MC55 - page 238

MC55 AT Command Set

9.11 AT+CPUC s

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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 contai n digits and a dot. Lead-

ing zeros are removed from the string. The minimum and maximum value are de termined by the structure of the

SIM-PUCT file. The maximum price per unit value is 999 999 999.00. Wh en 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 combinatio n of characters. The maximum string length is

limited to 8 characters. If this value is exceeded, the command terminates with an error messa ge. 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 PIN 2. When you execute the AT+CPUC com-

mand, subsequently, take into account that PIN2 authentication expires after 300ms (see notes in AT+CPIN2).

<ppu>(str)

<passwd>(str)

AT+CPUC="EUR","0.10","8888"

(where "8888" = PIN2)

AT+CPUC="EUR","0.10"

Successful

AT+CPUC="EUR","0.10"

+CME ERROR: SIM PIN2 required

Attempt not successful. PIN2 authentication has

expired.