Instruction Manual

ManualsBrandsADC Telecommunications ManualsElectronicsInterReach Fusion FSN-809019-1

100

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 Front Panel
- 3.2 Fusion Main Hub Rear Panel
  - 3.2.1 Fusion Main Hub Rear Panel Connectors
    - 3.2.1.1 9-pin D-sub Connector
    - 3.2.1.2 N-type Female Connectors
- 3.3 Main Hub Specifications
- 3.4 Faults, Warnings, and Status Messages
  - 3.4.1 Description
  - 3.4.2 View Preference
SECTION 4 Fusion Expansion Hub
- 4.1 Expansion Hub Overview
- 4.2 Expansion Hub Front Panel
- 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
- 6.4 System Gain
  - 6.4.1 System Gain (Loss) Relative to CATV Cable Type Length
- 6.5 Estimating RF Coverage
- 6.6 Link Budget Analysis
- 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
SECTION 7 Installing Fusion
- 7.1 Installation Requirements
- 7.2 Safety Precautions
- 7.3 Preparing for System Installation
- 7.4 Fusion Installation Procedures
- 7.5 Splicing Fiber Optic Cable
  - 7.5.1 Fusion Splices
- 7.6 Interfacing the Fusion Main Hub to an RF Source
  - 7.6.1 Connecting a Single Fusion Main Hub to an RF Source
  - 7.6.2 Connecting Multiple Fusion Main Hubs to an RF Source
- 7.7 Connecting Contact Alarms to a Fusion System
- 7.8 Alarm Monitoring Connectivity Options
SECTION 8 Replacing Fusion Components
- 8.1 Replacing an RAU
- 8.2 Replacing a Fusion Expansion Hub
- 8.3 Replacing a Fusion Main Hub
SECTION 9 Maintenance, Troubleshooting, and Technical Assistance
- 9.1 Service
- 9.2 Maintenance
- 9.3 Troubleshooting
- 9.4 Troubleshooting CATV
- 9.5 Technical Assistance
APPENDIX A Cables and Connectors
A.1 75 Ohm CATV Cable
A.2 Fiber Optical Cables
A.3 Coaxial Cable
A.4 Standard Modem Cable
A.5 TCP/IP Cross-over Cable
A.6 DB-25 to DB-9 Null Modem Cable
APPENDIX B Compliance
B.1 Fusion System Approval Status
B.2 Human Exposure to RF
APPENDIX C Faults, Warnings, Status Tables
C.1 Fault Messages Reported by Hubs
C.2 Faults Reported for System CPU
C.3 Faults for RAUs
C.4 Warning/Status Messages for Hubs
C.5 Warning/Status Messages for System CPUs
C.6 Warning /Status Messages for RAUs

Link Budget Analysis

6-32 InterReach Fusion Installation, Operation, and Reference Manual

CONFIDENTIAL D-6206TBD-0-20 Rev A

6.6.4 CDMA Link Budget Analysis for a Microcell Application

Table 6-23 CDMA Link Budget Analysis: Downlink

Line Downlink

Transmitter

a. BTS transmit power per traffic channel (dBm) 30.0

b. Voice activity factor 50%

c. Composite power (dBm) 40.0

d. Attenuation between BTS and Fusion (dB) –24

e. Power per channel into Fusion (dBm) 9.0

f. Composite power into Fusion (dBm) 16.0

g. Fusion gain (dB) 0.0

h. Antenna gain (dBi) 3.0

i. Radiated power per channel (dBm) 12.0

j. Composite radiated power (dBm) 19.0

Airlink

k. Handoff gain (dB) 0.0

l. Multipath fade margin (dB) 6.0

m. Log-normal fade margin with 9 dB std. deviation, 95% area cover-

age, 87% edge coverage

10.0

n. Additional loss (dB) 0.0

o. Body loss (dB) 3.0

p. Airlink losses (not including facility path loss) 19.0

Receiver

q. Mobile noise figure (dB) 7.0

r. Thermal noise (dBm/Hz) –174.0

s. Receiver interference density (dBm/Hz) –167.0

t. Information ratio (dB/Hz) 41.6

u. Required Eb/(N

)7.0

v. Minimum received signal (dBm) –118.4

w. Maximum path loss (dB) +99.4