User Manual

MDR2400/5800-SR, Orion2410/5810-SRi and Orion 5825-SR
862-01881 Issue 12c Page 5
Table of Contents
Page
1 INTRODUCTION 10
1.1 Radio Description 10
2 TECHNICAL DESCRIPTION 12
2.1 System Overview 12
2.2 RF Unit 12
2.2.1 Frequency plans 13
2.2.2 RF Power Output Options 16
2.2.3 MDR2400, MDR5800, Orion2410i, Orion5810i and Orion 5850 RF Units 17
2.3 MDRMTE, MDRMETU, Orion10 and Orion25 Digital Indoor Unit 17
2.3.1 Payload Interface Options 18
2.3.2 1+1 Redundancy Protected Payload System 19
2.3.3 Digital Indoor Unit Status LEDs 19
2.3.4 Reset / Configuration Button 19
2.3.5 Service (Wayside) Serial Data Channel 21
2.3.6 Element Manager Port 21
2.3.7 10BaseT Ethernet RJ45 Port 22
2.3.8 DIU/RFU Link LED 22
2.3.9 DIU/RFU Data Interconnect RJ45 22
2.3.10 DIU/RFU Power Interconnect 22
2.3.11 Auxiliary In/Out Port 22
2.3.12 DIU DC Power Input 23
2.3.13 Fuse Holder 23
2.3.14 ON/OFF Switch 23
2.3.15 Ground Terminal 23
3 PLANNING 24
3.1 System Type Selection 24
3.1.1 Antenna selection 24
3.2 Site Evaluation 26
3.3 Multipath Effects 26
3.4 Interference Considerations 27
3.5 Microcell Backhaul Applications of MDR / Orion Digital Radios 28
3.5.1 Setting the Transmitted Power Levels 28
3.5.2 Frequency Multiplexing 28
3.5.3 Antenna Isolation 28
4 INSTALLATION 29