AT Command Set

9.1.5 Result codes

Indication

Numeric

Meaning

OK

0

Command executed, no errors, Wake up after reset

CONNECT

1

Link established

RING

2

Ring detected

NO CARRIER

3

Link not established or disconnected

ERROR

4

Invalid command or command line too long

NO DIALTONE

6

No dial tone, dialling impossible, wrong mode

BUSY

7

Remote station busy

CONNECT 2400

10

Link with 2400 bps

CONNECT 4800

30

Link with 4800 bps

CONNECT 9600

32

Link with 9600 bps

CONNECT 2400/RLP

47

Link with 2400 bps and Radio Link Protocol

CONNECT 4800/RLP

48

Link with 4800 bps and Radio Link Protocol

CONNECT 9600/RLP

49

Link with 9600 bps and Radio Link Protocol

ALERTING

 

Alerting at called phone

DIALING

 

Mobile phone is dialing

9.1.6 Cause Location ID for the extended error report (AT+CEER)

IDDescription

0No error (default)

1SIEMENS L2 cause

2GSM cause for L3 Radio Resource Sublayer (GSM 04.08 annex F)

3SIEMENS cause for L3 Radio Ressource Sublayer

4GSM cause for L3 Mobility Management (GSM 04.08 annex G)

5SIEMENS cause for L3 Mobility Management

6GSM cause for L3 Mobility Management via MMR-SAP (GSM 04.08 annex G)

7SIEMENS cause for L3 Mobility Management via MMR-SAP

8GSM cause for L3 Call Control (GSM 04.08 10.5.4.11 and annex H)

9SIEMENS cause for L3 Call Control

11SIEMENS cause for L3 Advice of Charge Entity

12GSM cause for L3 SMS CP Entity

13SIEMENS cause for L3 SMS CP Entity

14GSM cause for L3 SMS RL Entity

15SIEMENS cause for L3 SMS RL Entity

16GSM cause for L3 SMS TL Entity

17SIEMENS cause for L3 SMS TL Entity

18SIEMENS cause for DSM Entity

21GSM cause for L3 Call-related Supplementary Services

22SIEMENS cause for L3 Call-related Supplementary Services

32SIEMENS cause for Supplementary Services Entity

33SIEMENS cause for Supplementary Services Manager

34Network cause for Supplementary Services (GSM 04.08 10.5.4.11 and annex H)

35Supplementary Services network error (GSM 04.80 3.6.6)

48GSM cause for GPRS Mobility Management (GSM 04.08 annex G.6)

49SIEMENS cause for GPRS Mobility Management

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Siemens MC35 manual Result codes, Cause Location ID for the extended error report AT+CEER, Indication Numeric Meaning
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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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