THE GSM/GPRS/CDMA MODEM USER'S GUIDE ME45
Contents
1. F connector 2 2 The connector Signal description 2 2 1 Power supply Power supply design is an important factor The GSM modem transmits in burst sequences therefore the power supply must be able to deliver high current peaks in short period of time Supply voltage 5V 12VDC Center anode Supply current 2 amperes 2 2 2 Serial link RS232 interface output 6 DSR RS232 interface output RS232 interface output RS232 interface input 3 TXD RS232 interface input 8 CTS RS232 interface output 4 DTR RS232 interface input 9 RI RS232 interface output 5 GND GND N l S 2 2 3 MIC and SPEAKER 2 2 4 size o 9 oe l weeos Page 4 2003 8 282. THE GSM GPRS CDMA MODEM USER S GUIDE Contents HM id oR ope ree mi s3 890rcO 1 Introduction 1 1 Scope of this manual 1 2 Electrical characteristics 1 3 Mechanical characteristics 1 4 Features 1 4 1 Telephony 1 4 2 Short Message Service 1 4 3 Data 1 4 4 GSM Supplementary Service 1 4 5 Others 1 5 Interfaces 2 Hardware Description 2 1 Overview 2 2 The connector 2 3 Signal descriptions 2 3 1 Power supply 2 3 2 Serial link 2 4 Overview 2 5 Functional description 1 Introduction Page 1 2003 8 28 The ME45 is designed to provide a quick and easy solution to systems that need to access GSM GPRS CDMaA network functionality The modem is full type approved and ready to use It employs the proven GSM WISMO technology from WAVECOM 1 1 Scope of this manual This document describes the hardware interface and the technical specification of the ME45 For information about controlling the modem via the AT commands refer to the AT command manual 1 2 Electrical characteristics Dual band GSM modem E GSM 900 1800 or E GSM 900 1900 Class 4 2W for GSM 900 Class 1 1W for GSM 1800 1900 Voice SMS Fax and data Tricodec Full Rate Enhanced Full Rate and Half Rate 3V SIM interface Power supply 5V 12V 2A 300mA average current consumption 9mA in idle mode Operating temperature 20 C to 50 C Storage temperature 35 C to 85 C 1 3 Mechanical characteristics e Small size 69mm L x 61m
3. m W x 16mm H e Mounting 4 screw holes 1 4 Features 1 4 1 Telephony e Telephony TCH FS and Emergency calls e Full Rate Enhanced Full Rate and Half Rate e DTMF functions 1 4 2 Short Message Service e Point to Point MT and MO e SMS Cell Broadcast 1 4 3 Data e Data circuit asynchronous transparent and non transparent up to 14 4kbps e Automatic fax group 3 Class 1 and 2 e Alternate speech and fax e MNP2 V 42bis GPRS packet data features e GPRS class 2 Class B e Coding schemes CS1 to CS4 e Compliant with SMG31bis 1 4 4 GSM Supplementary Service e Call Forwarding e Call Barring Page 2 2003 8 28 Multi Party Call Waiting and Call Hold Calling Line Identity Advice of Charge USSD Closed User Group Explicit Call Transfer 1 4 5 Others ME SIM phone book management Fixed Dialling Number SIM Toolkit Class 2 SIM network and service provider locks Real Time Clock Alarm management Software upgrade through Xmodem protocol UCS2 character set management 1 5 Interfaces e Single Antenna Interface e 3V only internal SIM interface e RS232 Interface RJ11 RS232 DCIN MIC and SPEAKER DB 9 Famale 5 12DC Mounting holes Mounting holes Mounting holes ounting holes Fi Top vi ANTENNA igure Top view SMA or MCX Page 3 2003 8 28 2 Hardware Description 2 1 Overview The ME45 includes a Wavecom Wismo2C2 2D module a SIM card holder a DB 9 Famale header and a RJ11 and a R
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