User Manual

Table of Contents
1. Introduction 9
1.1 Available QTM-8000 Series Modules 10
1.2 QTM-8000 Series Common Features 11
1.3 QTM-8000 Series Wireless Networks 12
1.3.1 Disadvantages of Conventional Two-Wire
RS-485 Networks 13
1.3.2 The QTM-8000 Series Network Advantage 14
1.3.3 Operation Principle 15
1.3.4 Supporting Multiple Baud Rates 16
1.4 QTM-8000 Series Module dimensions 17
2. QTM-8524 Specifications 20
2.1 Pin Assignments 20
2.2 QTM-8524 Module Specifications 21
2.3 QTM-8524 Block Diagram 22
2.4 QTM-8524 Disassembly 22
2.5 QTM-8524 Jumper Settings 24
2.6 QTM-8524 Basic Wire Connections 26
2.6.1 RS-232 Connection Between PC and QTM-8524 26
2.6.2 Connecting QTM-8000 Modules to the QTM-8524 26
3. Antennas 27
3.1 QTM-8524 Antenna Options 27
3.1.1 QTM-24ANT-SW Specifications 27
3.1.2 QTM-24ANT-C Specifications 28
3.2 Connecting Antennas to QTM-8524 Modules 29
3.2.1 Site Selection 29
3.2.2 Installation 29
3.2.3 Connection 29
3.3 Mounting External Antennas 30
3.3.1 Mounting the QTM-24ANT-SW 30
3.3.2 Mounting the QTM-24ANT-C 32
3.3.3 RF Safety 34