User's Manual
Table Of Contents
- SECTION 1 General Information
- SECTION 2 InterReach Fusion System Description
- SECTION 3 Fusion Main Hub
- SECTION 4 Fusion Expansion Hub
- SECTION 5 Remote Access Unit
- SECTION 6 Designing a Fusion Solution
- 6.1 Overview
- 6.2 Downlink RSSI Design Goal
- 6.3 Maximum Output Power per Carrier
- 6.3.2 700 MHz (Upper C)
- 6.4 System Gain
- 6.5 Estimating RF Coverage
- 6.6 Link Budget Analysis
- 6.6.1 Elements of a Link Budget for Narrowband Standards
- 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
- SECTION 7 Installing Fusion
- 7.1 Installation Requirements
- 7.1.2 Cable and Connector Requirements
- 7.1.3 Distance Requirements
- 7.2 Safety Precautions
- 7.2.1 Installation Guidelines
- 7.2.2 General Safety Precautions
- 7.2.3 Fiber Port Safety Precautions
- 7.3 Preparing for System Installation
- 7.3.1 Pre-Installation Inspection
- 7.3.2 Installation Checklist
- 7.3.3 Tools and Materials Required
- 7.3.4 Optional Accessories
- 7.4 Fusion Installation Procedures
- 7.4.1 Installing a Fusion Main Hub
- 7.4.3 Installing RAUs
- 7.4.4 Configuring the System
- 7.5 Splicing Fiber Optic Cable
- 7.6 Interfacing the Fusion Main Hub to an RF Source
- 7.6.1 Connecting a Single Fusion Main Hub to an RF Source
- 7.7 Connecting Contact Alarms to a Fusion System
- 7.8 Alarm Monitoring Connectivity Options
- 7.8.1 Direct Connection
- 7.8.5 Ethernet RF Modem
- SECTION 8 Replacing Fusion Components
- SECTION 9 Maintenance, Troubleshooting, and Technical Assistance
- APPENDIX A Cables and Connectors
- APPENDIX B Compliance
- APPENDIX C Faults, Warnings, Status Tables for Fusion, Fusion Wideband, Fusion SingleStar
Interfacing the Fusion Main Hub to an RF Source
7-54 InterReach Fusion Installation, Operation, and Reference Manual
CONFIDENTIAL D-620610-0-20 Rev F
After connecting and powering on the Hub, check all LEDs to ensure that the sys-
tem is operating properly.
Make sure the Main Hub is grounded. The warranty does not cover damage
caused when an ungrounded Hub is powered on.
NOTE: Use a 50 ohm terminator on any unused power combiner/splitter ports.
Figure 7-31 shows how to connect two Hubs to a duplex repeater or base station. You
need to use one circulator and one more coaxial jumper cable, as shown.
Figure 7-31 Connecting Two Fusion Main Hub’s RF Band Ports to a Duplex
Repeater or Base Station
N-male to N-male
Coaxial Jumper Cables
2 x 1 Power
Combiner/Splitter
between Combiner/Splitter and
N-male to N-male
Coaxial Jumper Cables
between Combiner/Splitter and
Fusion Main Hub’s Uplink Port
Fusion Main Hub’s Downlink Port for
2 x 1 Power
Combiner/Splitter
N-male to N-male
Coaxial Jumper Cable
N-male to N-male
Coaxial Jumper Cable
Circulator
N-male to N-male
Coaxial Jumper Cable
to Repeater or
Base Station
Insert attenuator, if needed
for either Band 1, Band 2,
either Band 1, Band 2, or Band 3
or Band 3
Band 1
Band 2
Band 3
UL1 UL2
UL3
DL1
DL2
DL3
AC Power
Alarms
Band 1
Band 2
Band 3
UL1 UL2
UL3
DL1
DL2
DL3
AC Power
Alarms