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 Designing a Unison Solution
- SECTION 7 Installing Unison
- 7.1 Installation Requirements
- 7.2 Safety Precautions
- 7.3 Preparing for System Installation
- 7.4 Unison Component Installation Procedures
- 7.5 Splicing Fiber Optic Cable
- 7.6 Interfacing a Main Hub to a Base Station or a Roof-top Antenna
- 7.7 Connecting Contact Alarms to a Unison System
- 7.8 Alarm Monitoring Connectivity Options
- SECTION 8 Replacing Unison Components
- SECTION 9 Maintenance, Troubleshooting, and Technical Assistance
- APPENDIX A Cables and Connectors
- APPENDIX B Compliance
- APPENDIX C Changes and New Capabilities
- APPENDIX D Glossary
Help Hot Line (U.S. only): 1-800-530-9960 2-9
D-620003-0-20 Rev J CONFIDENTIAL
System OA&M Capabilities
2.2.2 Using Alarm Contacts
You can connect the DB-9 female connector on the rear panel of the Main Hub to a
local base station or to a daisy-chained series of Unison, LGCell, and/or MetroReach
Focus systems.
• When you connect MetroReach Focus or a BTS to Unison, the Unison Main Hub
is the output of the alarms (alarm source) and MetroReach Focus or the BTS is the
input (alarm sense). This is described in Section 7.7.1 on page 7-43. The following
figure shows using MetroReach Focus as the input of Unison contact closures.
Figure 2-5 Alarm Source
• When you connect LGCell to Unison, the Unison Main Hub is the input of the
alarms (alarm sense) and LGCell is the output (alarm source). This is described in
Section 7.7.2 on page 7-46
Unison Main Hub
RF OUT
DOWNLINK
RF IN
UPLINK
FIBER
UPLINK
DOWNLINK
ALARM
RS-232C
MetroReach
Focus
RFM
Alarm
Sense
Alarm
Source
Alarm
Source
5-port Alarm Daisy-Chain Cable
9-pin Adapter