iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
TABLE OF CONTENTS
1 INTRODUCTION ............................................................................................................................ 1
1.1 Abbreviations ............................................................................................................................. 2
1.2 References ................................................................................................................................. 2
2 PACKAGING .................................................................................................................................. 3
2.1 Standard Package ...................................................................................................................... 3
2.2 Mounting Bracket (Optional Item) .............................................................................................. 4
3 HARDWARE INTERFACE ............................................................................................................ 5
3.1 Overview .................................................................................................................................... 5
3.2 Status Indicator .......................................................................................................................... 6
3.3 Serial Link Interface Cable ......................................................................................................... 6
3.4 Power Supply Interface .............................................................................................................. 7
3.5 RJ-45 (RS-232) Link Interface ................................................................................................... 8
3.6 SIM Cover and SIM Tray............................................................................................................ 9
3.7 GSM Antenna Interface .............................................................................................................. 9
4 GETTING STARTED.................................................................................................................... 10
4.1 Setting up the modem .............................................................................................................. 10
4.2 Interfacing Modem with HyperTerminal Software .................................................................... 11
4.2.1 Configuring HyperTerminal for Modem ....................................................................... 11
4.2.2 Sending Short Messages (SMS) ................................................................................. 13
4.2.3 Receiving Short Messages (SMS) .............................................................................. 14
5 TECHNICAL SPECIFICATIONS ................................................................................................. 15
5.1 General Features ..................................................................................................................... 15
5.2 Mechanical Characteristics ...................................................................................................... 15
5.3 Electrical Characteristics .......................................................................................................... 16
5.4 RF Performance ....................................................................................................................... 16
5.5 Environmental Characteristics ................................................................................................. 17
5.6 Antenna Specifications............................................................................................................. 17
6 TROUBLESHOOTING ................................................................................................................. 18
6.1 Is my modem powered up? ...................................................................................................... 18
6.2 Is my SIM card SIM Lock enabled? ......................................................................................... 18
6.3 What is my SIM card PIN code? .............................................................................................. 18
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein this
document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
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