AT Command Set

4.36 AT+CPIN2 Enter PIN2

Test command

Response

 

AT+CPIN2=?

OK

 

 

 

 

Read command

Response

 

AT+CPIN2?

TA returns an alphanumeric string indicating whether some password is required

 

or not.

 

 

+CPIN2: <code> OK

 

 

If error is related to ME functionality:

 

+CME ERROR: <err>

 

 

Parameter

 

 

<code> READY

ME is not pending for any password

 

SIM PIN2

ME is waiting for SIM PIN2.

 

 

This <code> is returned only when PIN2 authenti-

 

 

cation has not yet been done or has failed (+CME

 

 

ERROR:17).

 

SIM PUK2

ME is waiting for SIM PUK2.

 

 

This <code> is returned only when PIN2 authenti-

 

 

cation has failed and ME is pending for SIM PUK2

 

 

(i.e. +CME ERROR:18).

Write command

Response

 

AT+CPIN2=

The write command lets the ME store the entered password. This may be for ex-

<pin>[,<new

ample the SIM PIN2 to benefit from the features listed below, or the SIM PUK2 to

pin>]

replace a disabled PIN2 with a new one. Note that PIN2 can only be entered if

 

PIN1 authentication was done.

 

OK

If error is related to ME functionality:

+CME ERROR: <err>

If the ME is requesting SIM PUK2, use <pin> to enter the PUK2, followed by <newpin> to specify your new PIN2.

Parameter

<pin> password (string type), usually SIM PIN2 or, if requested, SIM PUK2

<new pin> if the requested code was SIM PUK2: new password (PIN2.

See Chapter 4.35.1 for more information about when you may need to enter the PUK.

ReferenceNote

Functions accessible only after PIN2 authentication:

•AT+CACM: Accumulated call meter (ACM) reset or query

•AT+CAMM: Accumulated call meter maximum (ACMmax) set or query

•AT+CLCK: Facility lock to "FD" (Fixed dialling phonebook)

•AT^SLCK: Facility lock to "FD" (Fixed dialling phonebook)

•AT+CPWD: Change "P2"password

•AT^SPWD: Change "P2"password

•AT+CPUC: Price per unit and currency table

•AT+CPIN2: Enter SIM PIN2 or SIM PUK2 if requested.

For example, SIM PIN2 will be needed when you attempt to edit the "FD" phonebook and ME returns +CME Error 17 or +CPIN: SIM PIN2.

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Siemens MC35 manual 36 AT+CPIN2 Enter PIN2, +CPIN2 code OK, Code Ready
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MC35 specifications

The Siemens MC35 is a compact and versatile modem designed primarily for mobile communication, data transmission, and machine-to-machine (M2M) applications. Launched in the early 2000s, it quickly became popular due to its blend of performance, reliability, and ease of integration, making it a solid choice for developers and businesses.

One of the key features of the MC35 is its support for GSM and GPRS technologies. This allows it to connect seamlessly to various networks, enabling users to transmit data at speeds that were impressive for its time. The GPRS capability can offer data rates of up to 171.2 kbps, allowing for efficient data transfer even in areas with limited connectivity.

The MC35 is designed to support both SMS and voice functionalities, making it adaptable for a range of applications. This includes remote monitoring, telemetry, and alarm signaling. The ability to send and receive SMS messages is a significant advantage for applications that require immediate alerts and notifications, enhancing its utility in security systems and industrial automation.

Furthermore, the modem is equipped with a range of interfaces, including serial communication (RS232), which makes it compatible with various hardware devices. This facilitates easy integration into existing systems, whether for industrial machinery or consumer electronics. Additionally, it features a robust software development kit (SDK), which enables developers to create custom applications tailored to their specific requirements.

Power consumption is another notable characteristic of the Siemens MC35. It is engineered to be energy-efficient, which is especially important for battery-operated devices or systems that require a prolonged operation without frequent recharging or maintenance.

In terms of physical characteristics, the MC35 is compact and lightweight, allowing it to fit into various enclosure designs without occupying much space. Its durability ensures it can perform reliably in different environments, making it suitable for outdoor and industrial applications.

To summarize, the Siemens MC35 stands out as a reliable modem with a rich feature set that includes GSM and GPRS support, SMS and voice capabilities, easy integration through various interface options, and energy-efficient operation. Its adaptability makes it a valuable tool for a wide array of communication and data transmission tasks, solidifying its place in the evolution of mobile communications technology.
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