User's Manual
Table Of Contents
- SECTION 1 General Information
- SECTION 2 InterReach™ Unison System Description
- SECTION 3 Unison Main Hub
- SECTION 4 Unison Expansion Hub
- SECTION 5 Unison Remote Access Unit
- SECTION 6 Installing Unison Components
- 6.1 Installation Requirements
- 6.2 Safety Precautions
- 6.3 Preparing for System Installation
- 6.4 Unison Component Installation Procedures
- 6.5 Starting and Configuring the System
- 6.6 Interfacing a Main Hub to a Base Station or Roof-top Antenna
- 6.7 Connecting Contact Alarms to a Unison System
- SECTION 7 Installing and Using the AdminManager Software
- SECTION 8 Designing a Unison Solution
- 8.1 Maximum Output Power per Carrier at RAU
- 8.2 Estimating RF Coverage
- 8.3 System Gain
- 8.4 Link Budget Analysis
- 8.4.1 Elements of a Link Budget for Narrowband Standards
- 8.4.2 Narrowband Link Budget Analysis for a Microcell Application
- 8.4.3 Elements of a Link Budget for CDMA Standards
- 8.4.4 Spread Spectrum Link Budget Analysis for a Microcell Application
- 8.4.5 Considerations for Re-Radiation (over-the-air) Systems
- 8.5 Optical Power Budget
- 8.6 Connecting a Main Hub to a Base Station
- 8.7 Designing for a Neutral Host System
- SECTION 9 Replacing Unison Components in an Operating System
- SECTION 10 Maintenance, Troubleshooting, and Technical Assistance
- APPENDIX A Cables and Connectors
- APPENDIX B Compliance
- APPENDIX C Glossary
PN 8700-10 Help Hot Line (U.S. only): 1-800-530-9960 10-13
620003-0
PRELIMINARY Troubleshooting Expansion Hub LEDs During Normal Operation
Table 10-10 Troubleshooting Expansion Hub Status LEDs During Normal
Operation
During
Normal
Operation
EH Status
LEDs State Action Impact
At Any
Time
(JS)
UL STATUS
Red Replace the Expansion Hub Uplink laser failure; no communications
between the Main Hub and the Expansion
Hub
DL STATUS
Red Check the downlink fiber for opti-
cal loss
No communications with the Main Hub
E-HUB
STATUS
Red If either the UL STATUS or the DL
STATUS
are also red, see above.
Cycle power on the Expansion
Hub. If fault remains, replace the
Expansion Hub.
Internal Expansion Hub fault (including
either of the above
UL STATUS or DL
STATUS
states)