Plessey MDR2400-SR, User Manual, Page: 5 / 131

MDR2400-SR, MDR5800-SR and Orion 5825-SR
Issue 10
Page 5
Table of Contents
Page
1 INTRODUCTION 10
1.1 Radio Description 10
2 TECHNICAL DESCRIPTION 14
2.1 System Overview 14
2.2 Outdoor Unit 14
2.2.1 Frequency plans 15
2.2.2 RF Power Output Options 19
2.2.3 MDR2400, MDR5800 and Orion 5850 Outdoor Units 19
2.3 Indoor Unit 20
2.3.1 Payload Interface Options 21
2.3.2 1+1 Redundancy Protected Payload System 21
2.3.3 Indoor Unit Status LEDs 21
2.3.4 Reset / Configuration Button 22
2.3.5 Service (Wayside) Serial Data Channel 23
2.3.6 Element Manager Port 23
2.3.7 10BaseT Ethernet RJ45 Port 24
2.3.8 IU/OU Link LED 24
2.3.9 IU/OU Data Interconnect RJ45 24
2.3.10 IU/OU Power Interconnect 24
2.3.11 Auxiliary In/Out Port 24
2.3.12 IU DC Power Input 25
2.3.13 Fuse Holder 25
2.3.14 ON/OFF Switch 25
2.3.15 Ground Terminal 25
3 PLANNING 26
3.1 System Type Selection 26
3.1.1 Antenna selection 26
3.2 Site Evaluation 27
3.3 Multipath Effects 27
3.4 Interference Considerations 28
3.5 Microcell Backhaul Applications of MDR / Orion Digital Radios 29
3.5.1 Setting the Transmitted Power Levels 29
3.5.2 Frequency Multiplexing 29
3.5.3 Antenna Isolation 29
4 INSTALLATION 30