User Manual

CONFIDENTIAL
InterReach Fusion Wideband Installation, Operation, and Reference Manual v
D-620616-0-20 Rev G
6.5 Estimating RF Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
6.5.1 Path Loss Equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
6.5.2 RAU Coverage Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
6.5.3 Examples of Design Estimates . . . . . . . . . . . . . . . . . . . . . . . 6-24
6.6 Link Budget Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26
6.6.1 Elements of a Link Budget for Narrowband Standards . . . . . 6-26
6.6.2 Narrowband Link Budget Analysis for a Microcell Application 6-
29
6.6.3 Elements of a Link Budget for CDMA Standards . . . . . . . . . 6-31
6.6.4 CDMA Link Budget Analysis for a Microcell Application . . 6-34
6.6.5 Considerations for Re-Radiation (Over-the-Air) Systems . . 6-37
6.7 Optical Power Budget . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38
6.8 Connecting a Main Hub to a Base Station . . . . . . . . . . . . . . 6-39
6.8.1 Uplink Attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-39
6.8.2 RAU Attenuation and ALC . . . . . . . . . . . . . . . . . . . . . . . . . . 6-40
6.8.2.1 Using the RAU 10 dB Attenuation Setting . . . . . . . . . 6-41
6.8.2.2 Using the Uplink ALC Setting . . . . . . . . . . . . . . . . . 6-42
SECTION 7 Installing Fusion Wideband . . . . . . . . . . . . . . . . 7-1
7.1 Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.1.1 Component Location Requirements . . . . . . . . . . . . . . . . . . . . 7-2
7.1.2 Cable and Connector Requirements . . . . . . . . . . . . . . . . . . . . 7-2
7.1.3 Distance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.2 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.2.1 Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.2.2 General Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
7.2.3 Fiber Port Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
7.3 Preparing for System Installation . . . . . . . . . . . . . . . . . . . . . . 7-6
7.3.1 Pre-Installation Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
7.3.2 Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
7.3.3 Tools and Materials Required . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
7.3.4 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.4 Fusion Wideband Installation Procedures . . . . . . . . . . . . . . 7-10
7.4.1 Installing a Fusion Wideband Main Hub . . . . . . . . . . . . . . . . 7-11
7.4.2 Installing Expansion Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26
7.4.3 Installing RAUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-33
7.4.3.1 Troubleshooting Using RAU LEDs During Installation . 7-
36
7.4.4 Configuring the Fusion Wideband System . . . . . . . . . . . . . . 7-37
7.5 Splicing Fiber Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 7-45
7.6 Interfacing the Fusion Wideband Main Hub
to an RF Source 7-47
7.6.1 Connecting a Single Fusion Wideband Main Hub to an RF
Source 7-47
7.6.2 Connecting Multiple Fusion Wideband Main Hubs to an RF
Source 7-52