Instruction Manual

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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 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

C-8 InterReach Fusion Installation, Operation, and Referencer Manual

CONFIDENTIAL D-620TBD-0-20 Rev A

[Mnn]/X where nn equals the message number, and X equals the default of either Sta-

tus (S) or Warning (W).

Table C-4 Warnings/Status Messages for Hubs

Message

Number/

Default Description Reason/Action

[M01]/S Fan 1 failure. Check the fan for rotation, air flow blockage, and dust.

Replace the Hub on high temperature warning.

[M02]/S Fan 2 failure. Check the fan for rotation, air flow blockage, and dust.

Replace the Hub on high temperature warning.

[M03]/S 54 VDC Pwr Supply Fan failure. Check the fan for rotation, air flow blockage, and dust.

Replace the Hub on high temperature warning.

[M04]/W 5 VDC Monitor. DC power out of range, replace the Hub.

[M05]/W 9 VDC Monitor. DC power out of range, replace the Hub.

[M06]/W 54 VDC Monitor. DC power out of range, replace the Hub.

[M07]/W 3 VDC Monitor. DC power out of range, replace the Hub.

[M08]/W 12 VDC Monitor. DC power out of range, replace the Hub.

[M09]/W Temperature High. Reduce ambient temperature, check for air flow blockage,

fan rotation.

[M10]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M11]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M12]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M13]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M14]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M15]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M16]/S Problem detected in the Hub. Contact LGC Wireless Support for more information.

[M17]/S Hardware failure (Test Tone PLL

Band 1).

Unable to perform DL system test.

[M18]/S Hardware failure (Test Tone Too

High Band 1).

Unable to perform DL system test.

[M19]/S Hardware failure (Test Tone Too

Low Band 1).

Unable to perform DL system test.

[M20]/W Overdrive limiter active (Band 1). Reduce input signal power to avoid potential component

damage.

[M21]/W CEMark limiter at maximum

(Band 1).

Reduce input signal power to avoid drop in system gain.

[M22]/S Problem detected in the system. Contact LGC Wireless Support for more information.

[M23]/S Problem detected in the system. Contact LGC Wireless Support for more information.

[M24]/S Problem detected in the system. Contact LGC Wireless Support for more information.

[M25]/S Hardware failure (Test Tone PLL

Band 2).

Unable to perform DL system test. Replace the hub when

possible.

[M26]/S Hardware failure (Test Tone Too

High Band 2).

Unable to perform DL system test. Replace the hub when

possible.

[M27]/S Hardware failure (Test Tone Too

Low Band 2).

Unable to perform DL system test. Replace the hub when

possible.

[M28]/W Overdrive limiter active (Band 2). Reduce input signal power to avoid potential component

damage.

[M29]/W CEMark limiter at maximum

(Band 2).

Reduce input signal power to avoid drop in system gain.