Introduction; Related Documents; Terms And Abbreviations - SimCom SIM900D Hardware Design

SIM900D Hardware Design

1 Introduction

This document describes the hardware interface of the SIMCom SIM900D module that connects to the specific
application and the air interface. As SIM900D can be integrated into a wide range of applications, all functional
components of SIM900D are described in great detail.
This document can help usres quickly understand SIM900D interface specifications, electrical and mechanical
details. With the help of this document and other SIM900D application notes, user guide, users can use SIM900D
module to design and set-up mobile applications quickly.

1.1 Related Documents

Table1: Related documents
SN Document name
[1] SIM900_ATC
[2] ITU-T Draft new
recommendation
V.25ter:
[3] GSM 07.07:
[4] GSM 07.10:
[5] GSM 07.05:
[6] GSM 11.14:
[7] GSM 11.11:
[8] GSM 03.38:
[9] GSM 11.10
[10] AN_Serial Port

1.2 Terms and Abbreviations

Table2: Terms and Abbreviations
SIM900D_Hardware Design_V1.04
Remark
SIM900_ATC
Serial asynchronous automatic dialing and control
Digital cellular telecommunications (Phase 2+); AT command set for GSM
Mobile Equipment (ME)
Support GSM 07.10 multiplexing protocol
Digital cellular telecommunications (Phase 2+); Use of Data Terminal
Equipment – Data Circuit terminating Equipment (DTE – DCE) interface for
Short Message Service (SMS) and Cell Broadcast Service (CBS)
Digital cellular telecommunications system (Phase 2+); Specification of the SIM
Application Toolkit for the Subscriber Identity Module – Mobile Equipment
(SIM – ME) interface
Digital cellular telecommunications system (Phase 2+); Specification of the
Subscriber Identity Module – Mobile Equipment (SIM – ME) interface
Digital cellular telecommunications system (Phase 2+); Alphabets and
language-specific information
Digital cellular telecommunications system (Phase 2)； Mobile Station (MS)
conformance specification； Part 1: Conformance specification
AN_Serial Port
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2010.10.09