User's Manual Part 1
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ADC Telecommunications Manuals
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InterReach Fusion FSN-809019-2
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Table Of Contents
SECTION 1 General Information
1.1 Firmware Release
1.2 Purpose and Scope
1.3 Conventions in this Manual
1.4 Standards Conformance
1.5 Related Publications
SECTION 2 InterReach Fusion System Description
2.1 System Overview
2.2 System Hardware Description
2.3 System OA&M Capabilities Overview
2.3.1 System Monitoring and Reporting
2.3.2 Using Alarm Contacts
2.4 System Connectivity
2.5 System Operation
2.6 System Specifications
2.6.1 RF End-to-End Performance
SECTION 3 Fusion Main Hub
3.1 Fusion Main Hub Overview
3.2 Fusion Main Hub Front Panel
3.2.1 Optical Fiber Uplink/Downlink Ports
3.2.2 Communications RS-232 Serial Connector
3.2.3 Main Hub LED Indicators
3.3 Fusion Main Hub Rear Panel
3.3.1 Fusion Main Hub Rear Panel Connectors
3.3.1.1 9-pin D-sub Connector
3.3.1.2 N-type Female Connectors
3.4 Main Hub Specifications
3.5 Faults, Warnings, and Status Messages
3.5.1 Description
3.5.2 View Preference
SECTION 4 Fusion Expansion Hub
4.1 Expansion Hub Overview
4.2 Expansion Hub Front Panel
4.2.1 75 Ohm Type F Connectors
4.2.2 Manufacturing RS-232 Serial Connector
4.2.3 Optical Fiber Uplink/Downlink Connectors
4.2.4 LED Indicators
4.3 Expansion Hub Rear Panel
4.4 Faults, Warnings, and Status Messages
4.5 Expansion Hub Specifications
SECTION 5 Remote Access Unit
5.1 RAU Overview
5.2 Remote Access Unit Connectors
5.2.1 50 Ohm Type-N Connector
5.2.2 75 Ohm Type-F Connector
5.3 RAU LED Indicators
5.4 Faults and Warnings
5.5 Remote Access Unit Specifications
SECTION 6 Designing a Fusion Solution
6.1 Overview
6.2 Downlink RSSI Design Goal
6.3 Maximum Output Power per Carrier
6.3.1 850 MHz Cellular
6.3.2 800 MHz or 900 MHz SMR
6.3.3 900 MHz EGSM and EDGE
6.3.4 1800 MHz DCS
6.3.5 1900 MHz PCS
6.3.6 2.1 GHz UMTS
6.4 System Gain
6.5 Estimating RF Coverage
6.5.1 Path Loss Equation
6.5.2 RAU Coverage Distance
6.5.3 Examples of Design Estimates
6.6 Link Budget Analysis
6.6.1 Elements of a Link Budget for Narrowband Standards
6.6.2 Narrowband Link Budget Analysis for a Microcell Application
6.6.3 Elements of a Link Budget for CDMA Standards
6.6.4 CDMA Link Budget Analysis for a Microcell Application
6.6.5 Considerations for Re-Radiation (Over-the-Air) Systems
6.7 Optical Power Budget
6.8 Connecting a Main Hub to a Base Station
6.8.1 Uplink Attenuation
6.8.2 RAU Attenuation and ALC
6.8.2.1 Using the RAU 10 dB Attenuation Setting
6.8.2.2 Using the Uplink ALC Setting
Remote
Acc
ess U
nit Speci
ficat
ions
5-8
InterReach
Fusion Ins
tallation, Op
eration, and
Reference Manual
CONF
IDENT
IAL
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