Specifications

MC55/56 Hardware Interface Description

Confidential / Released

MC55/56_hd_v04.00a Page 11 of 108 24.08.2006

1 Introduction

This document describes the hardware interface of the Siemens MC55/56 module that

connects to the cellular device application and the air interface. As MC55/56 is intended to

integrate with a wide range of application platforms, all functional components are described

in great detail.

This guide therefore covers all information needed to design and set up cellular applications

incorporating the MC55/56 module. It aids rapid retrieval of interface specifications, electrical

and mechanical details and information on the requirements to be considered for integration

of further components.

1.1 Related documents

[1] MC55 AT Command Set

MC56 AT Command Set

[2] MC55/56 Release Notes

[3] GPRS Startup User's Guide

[4] Remote-SAT User's Guide

[5] DSB45 Support Box - Evaluation Kit for Siemens Cellular Engines

[6] Application Note 23: Installing MC55/56 on DSB45

[7] Application Note 07: Li-Ion Batteries in GSM Applications

[8] Application Note 16: Upgrading MC5x Firmware, Version 06

[9] Application Note 02: Audio Interface Design

[10] Multiplexer User's Guide

[11] Multiplex Driver Developer’s Guide for Windows 2000 and Windows XP

[12] Multiplex Driver Installation Guide for Windows 2000 and Windows XP

[13] Application Note 22: Using TTY / CTM equipment

[14] Application Note 24: Application Developer’s Guide

[15] Application Note 28: Customer SIM Lock

Prior to using the MC55/56 engines or upgrading to a new firmware release, please carefully

read the latest product information.

For further information visit the Siemens Website:

http://www.siemens.com/wm