Specifications
TC35 / TC37 Hardware Interface Description
TC35_37_HD_02_V03.10 - Released Page 8 of 92 21.12.2001
1 Introduction
This document presents the hardware interface description of the Siemens GSM engines
• TC35
• TC37
As TC35 and TC37 are intended to integrate with a wide range of cellular application
platforms, all functional components are described in detail. So this guide covers all
information you need to design and set up host devices incorporating TC35 or TC37. It helps
you quickly retrieve interface specifications, electrical and mechanical details and, last but
not least, information on the requirements to be considered for integrating further
components.
TC35 and TC37 are full-featured GSM engines which are identical in terms of functionality,
physical dimensions and performance characteristics including minimum or maximum
ratings. They differ only in the design and location of antenna connectors. TC35 features a
coaxial GSC connector, while TC37 provides a coaxial switching connector plus an antenna
pad. Each connector type is described in a separate section.
1.1 Scope of the document and related documents
Please note that this hardware interface description is intended for the following TC35 and
TC37 release:
• Hardware: PCB number Q8100-B1-7
• Software: Version 03.10
Related documents
/1/ AT Command Set for TC35, TC37 and TC35 Terminal, Version 03.10
/2/ Release Notes: TC35 Version 03.10
/3/ Application Note 16: Updating TC35 Firmware, Version 03.10
/4/ DSB35 Support Box - Evaluation Kit for Siemens Cellular Engines
/5/ TC3x Multiplexer User's Guide, Version 03.10
/6/ Application Note 02: Audio Interface, Version 03.10
Prior to using the GSM engines or upgrading to a new firmware release, be sure to carefully
read and understand the latest product information provided in the Release Notes.
To visit the Siemens Website you can use the following link:
http://siemens.com/wm