User's Manual
Table Of Contents
- Contents
- Figures
- Tables
- Document history
- Introduction
- Product concept
- GSM application interface
- GSM/GPRS operating modes
- Power supply
- Power up / down scenarios
- Automatic GPRS Multislot Class change
- Charging control of the GSM part
- Power saving
- Summary of state transitions (except SLEEP mode)
- RTC backup for GSM part of XT55/56
- Serial interfaces of the XT55/56 GSM part
- Audio interfaces
- SIM interface
- Control signals
- GPS application interface
- GSM and GPS antenna interfaces
- Electrical, reliability and radio characteristics
- Mechanics
- Reference approval
- Example applications
- List of parts and accessories
XT55/56 Hardware Interface Description
Confidential / Released
s
XT55/56_hd_v02.06a Page 11 of 125 17.12.2004
1 Introduction
This document describes the hardware interface of the Siemens XT55/56 module that
connects to the cellular device application and the air interface. As XT55/56 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 XT55/56 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.
Please note that this document refers to the GPS software version 2.3 and XT55/56 module
software version 02.06.
1.1 Related documents
[1] XT55 AT Command, Version 02.06
XT56 AT Command, Version 02.06
[2] GPS Command Specification
[3] AVL Software User’s Guide
[4] GPS Startup User's Guide
[5] GSM/GPS Evaluation Board Description
[6] GPRS Startup User's Guide
[7] Remote-SAT User's Guide
[8] DSB45 Support Box - Evaluation Kit for Siemens Cellular Engines
[9] Application Note 14: Audio and Battery Parameter Download
[10] Application Note 02: Audio Interface Design
[11] Application Note 22: Using TTY / CTM equipment
[12] Multiplexer User's Guide
[13] Multiplex Driver Developer’s Guide for Windows 2000 and Windows XP
[14] Multiplex Driver Installation Guide for Windows 2000 and Windows XP
[15] Application Note 24: Application Developer’s Guide
[16] Application Note 28: Customer SIM Lock
[17] Application Note 21: Implementing Customer IMEI
Prior to using the XT55/56 engines or upgrading to a new firmware release, be sure to
carefully read the latest product information.
To visit the Siemens Website you can use the following link:
http://www.siemens.com/wm