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InterReach Unison

Installation, Operation,

and Reference Manual

PN 8700-10

620003-0

InterReach Unison

Installation, Operation,

and Reference Manual

PN 8700-10

620003-0

This manual is produced for use by LGC Wireless personnel, licensees, an d customers. The information contained herein is the property of LGC Wireless. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of LGC Wireless.

LGC Wireless reserves the right to make c hanges, without notice, to the specifications and materials contained herein, and sh all not be responsible for any damages caused by reliance on the material as presented, including, but not limited to, typographical and listing errors.

Your comments are welcome – they help us improve our products and documentation. Please address your comments to LGC Wireless, Inc. corporate headquarters in San Jose, California:

Address 2540 Junction Avenue

San Jose, California 95134-1902 USA

Attn: Marketing Dept. Phone 1-408-952-2400 Fax 1-408-952-2410 Help Hot Line 1-800-530-9960 (U.S. only)

+1-408-952-2400 (International)

+44(0) 1223 597812 (Europe) Web Address http://www.lgcwireless.com e-mail info@lgcwireless.com

service@lgcwireless.com

Trademarks

All trademarks identified by ™ or ® are trademarks or registered trademark of LGC Wireless, Inc. All other trademarks belong to their respective owners.

InterReach Unison User Guide and Reference Manual PN 8700-10

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Limited Warranty

Seller warrants articles of its manufacture against defective materials or workmanship for a period of one year from the date of shipment to Purchaser, except as provided in an y warranty applicable to Purchaser on or in the package containing the Goods (which wa rranty tak es precedence over the following warranty). The liability of Seller under the foregoing warranty is limited, at Seller’s option, solely to repair or replacement with equivalent Goods, or an appropriate adjustment not to exceed the sales price to Purchaser, provided that (a) Seller is notified in writing by Purchaser, within the one year warranty period, prompt ly upon discovery of defects, with a detailed descripti on of such defects, (b) Purchaser has obtained a Return Materials Authorization (RMA) from Seller, which RMA Seller agrees to provide Purchaser promptly upon request, (c) the defective Goods are returned to Seller, transportation and other applicable charges prepaid by the Purchaser, and (d )Seller’s examination of such Goods discloses to its reasonable satisfaction that defects were not caused by negligence, misuse, improper installation, improper maintenance, accident or unauthorized repair or alteration or any other cause outside the scope of Purchaser’s warranty made hereunder. Notwithstanding the foregoing, Seller shall have the opt ion to r epair any defective Goods at Purchaser’s facility. The original warranty period for any Goods that have been repaired or replaced by seller will not thereby be exten ded. In additi on, all s ales will be subject to standard terms and conditions on the sal es con tract.

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InterReach Unison User Guide and Reference Manual PN 8700-10

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PRELIMINARY

Table of Content s

SECTION 1 General Information . . . . . . . . . . . . . . . . . . . . . . 1-1

1.1 Purpose and Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.2 Conventions in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1.3 Acronyms in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

1.4 Standards Conformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

1.5 Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

SECTION 2

InterReach™ Unison System Description . . . . 2-1

2.1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.2 System Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

2.3 System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2.4 System OA&M Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2.4.1 Configuring, Maintaining, and Monitoring Unison Locally . . 2-6

2.4.2 Monitoring and Maintaining Unison Remotely . . . . . . . . . . . 2-7

2.4.3 Using Alarm Contact Closures . . . . . . . . . . . . . . . . . . . . . . . . 2-8

2.5 System Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

2.6 System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2.7 System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

2.7.1 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

2.7.2 Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 2-12

2.7.3 Operating Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

2.7.4 RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

SECTION 3 Unison Main Hub . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.1 Main Hub Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.1.1 Optical Fiber Uplink/Downlink Ports . . . . . . . . . . . . . . . . . . . 3-4

3.1.2 Communications RS-232 Serial Connector . . . . . . . . . . . . . . 3-4

3.1.3 LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

3.2 Main Hub Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

3.2.1 Main Hub Rear Panel Connectors . . . . . . . . . . . . . . . . . . . . . . 3-9

3.2.1.1 N-type Female Connectors . . . . . . . . . . . . . . . . . . . . . . 3-9

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3.2.1.2 9-pin D-sub Connector . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

3.3 Faults and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

3.4 Main Hub Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

SECTION 4

SECTION 5

SECTION 6

Unison Expansion Hub . . . . . . . . . . . . . . . . . . . . 4-1

4.1 Expansion Hub Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4.1.1 RJ-45 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

4.1.2 Optical Fiber Uplink/Downlink Connectors . . . . . . . . . . . . . . 4-4

4.1.3 LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

4.2 Expansion Hub Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

4.3 Faults and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

4.4 Expansion Hub Specifications . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Unison Remote Access Unit . . . . . . . . . . . . . . . 5-1

5.1 Remote Access Unit Connectors . . . . . . . . . . . . . . . . . . . . . . . 5-3

5.1.1 SMA Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

5.1.2 RJ-45 Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

5.2 LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

5.3 Faults and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

5.4 Remote Access Unit Specifications . . . . . . . . . . . . . . . . . . . . 5-5

Installing Unison Components . . . . . . . . . . . . . 6-1

6.1 Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

6.1.1 Component Location Requirements . . . . . . . . . . . . . . . . . . . . 6-1

6.1.2 Cable and Connector Requirements . . . . . . . . . . . . . . . . . . . . 6-1

6.1.3 Neutral Host System Requirements . . . . . . . . . . . . . . . . . . . . . 6-1

6.1.4 Distance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

6.2 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

6.2.1 Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

6.2.2 General S afety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

6.2.3 Fiber Port Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

6.3 Preparing for System Installation . . . . . . . . . . . . . . . . . . . . . . 6-5

6.3.1 Pre-Installation Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

6.3.2 Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

6.3.3 Tools and Materials Required . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

6.3.4 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

6.4 Unison Component Installation Procedures . . . . . . . . . . . . . . 6-9

6.4.1 Installing RAUs and Passive Antennas . . . . . . . . . . . . . . . . . 6-11

6.4.1.1 Installing RAUs in a Neutral Host System . . . . . . . . . 6-12

6.4.2 Installing Expansion Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13

6.4.2.1 Tr ou bleshooting Expansion H ub LEDs Dur in g

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18

6.4.2.2 Installi ng Expansion Hubs in a Neutr al Host System . 6-18

6.4.3 Installing a Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19

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6.4.4 Installing Main Hubs in a Neutral Host System . . . . . . . . . . 6-20

6.5 Starting and Configuring the System . . . . . . . . . . . . . . . . . . 6-21

6.5.1 Troubles hooting Main Hub LEDs During Installa tion . . . . . 6-24

6.6 Interfacing a Main Hub to a Base Station or Roof-top

Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26

6.6.1 Connecting Multiple Main Hubs . . . . . . . . . . . . . . . . . . . . . . 6-30

6.7 Connecting Contact Alarms to a Unison System . . . . . . . . . 6-34

6.7.1 Alarm Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-35

6.7.2 Alarm Sense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38

SECTION 7 Installing and Using the AdminManager

Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

7.1 Installing the AdminManager Software . . . . . . . . . . . . . . . . . 7-2

7.1.1 PC/Laptop Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

7.2 Installation Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12

7.2.1 Step 1: Verify Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13

7.2.1.1 Description of Step 1 Panel . . . . . . . . . . . . . . . . . . . . . 7-14

7.2.2 Step 2: Set Operation Band . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15

7.2.2.1 Description of Step 2 Panel . . . . . . . . . . . . . . . . . . . . . 7-17

7.2.3 Step 3: Configure System Parameters . . . . . . . . . . . . . . . . . . 7-19

7.2.3.1 Description of Step 3 Panel . . . . . . . . . . . . . . . . . . . . . 7-20

7.2.4 Step 4: Final System Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21

7.2.4.1 Description of Step 4 Panel . . . . . . . . . . . . . . . . . . . . . 7-22

7.2.5 Finish Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-23

7.2.5.1 Description of Finish Panel . . . . . . . . . . . . . . . . . . . . . 7-23

7.3 Configuration & Maintenance Panel . . . . . . . . . . . . . . . . . . 7-24

7.3.1 Window Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25

7.3.2 Options when Connected Locally . . . . . . . . . . . . . . . . . . . . . 7-28

7.3.3 Read-Only Options when Connected Remotely . . . . . . . . . . 7-33

7.4 Upgrading Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-37

7.5 System Status Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38

7.5.1 System Status Tree Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38

SECTION 8 Designing a Unison Solution . . . . . . . . . . . . . . . 8-1

8.1 Maximum Output Power per Carrier at RAU . . . . . . . . . . . . . 8-3

8.2 Estimating RF Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19

8.2.1 Path Loss Equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20

8.2.2 Coverage Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21

8.2.3 Examples of Design Estimates . . . . . . . . . . . . . . . . . . . . . . . 8-27

8.3 System Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31

8.3.1 System Gain (Loss) Relative to ScTP Cable Length . . . . . . 8-31

8.4 Link Budget Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32

8.4.1 Element s of a Link Budget for Narrowband Standards . . . . 8-33

8.4.2 Narrowband Link Budget Analysis for a Microcell

Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-35

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8.4.3 Elements of a Link Budget for CDMA Standards . . . . . . . . . 8-37

8.4.4 Spread Spectrum Link Budget Analysis for a Microcell

Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-40

8.4.5 Considerations for Re-Radiation (over-the-air) Systems . . . . 8-44

8.5 Optical Power Budget . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-45

8.6 Connecting a Main Hub to a Base Station . . . . . . . . . . . . . . 8-47

8.6.1 Attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-48

8.6.2 Uplink Attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-49

8.6.2.1 Uplink Attenuation Exception: CDMA . . . . . . . . . . . . 8-50

8.7 Designing for a Neutral Host System . . . . . . . . . . . . . . . . . . 8-51

8.7.1 Capacity of the Unison Neutral Host System . . . . . . . . . . . . 8-51

8.7.2 Example Unison Neutral Host System . . . . . . . . . . . . . . . . . 8-52

SECTION 9 Replacing Unison Components in an

Operating System . . . . . . . . . . . . . . . . . . . . . . . . 9-1

9.1 Replacing an RAU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

9.2 Replacing an Expansion Hub . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

9.3 Replacing a Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4

PRELIMINARY

SECTION 10

APPENDIX A

APPENDIX B

Maintenance, Troubleshooting, and

Technical Assistance . . . . . . . . . . . . . . . . . . . . 10-1

10.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

10.2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

10.2.1 Fault Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

10.2.2 Warning Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-8

10.3 LED Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . 10-10

10.3.1 Troubleshoo tin g Ma in H ub LEDs Du r in g N orm a l Op er a tio n . 1011

10.3.2 Troubleshoo tin g Exp a ns io n H ub LEDs Du ri n g No rm a l

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12

10.4 Technical Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-14

Cables and Connectors . . . . . . . . . . . . . . . . . . .A-1

A.1 Cat-5/6 Cable (ScTP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1

A.2 Fiber Optical Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-3

A.3 Coaxial Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-3

Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1

B.1 Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-1

B.2 Radio/EMC Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .C-2

APPENDIX C

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

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List of Figures

Figure 2-1 OA&M Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Figure 2-2 Local System Monitoring and Reporting . . . . . . . . . . . . . . . . . . . . . . . 2-6

Figure 2-3 Remote System Monitoring and Reporting . . . . . . . . . . . . . . . . . . . . . . 2-7

Figure 2-4 Unison’s Double Star Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Figure 3-1 Main Hub in a Unison System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Figure 3-2 Main Hub Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Figure 3-3 Main Hub Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Figure 3-4 Standard Serial Cable Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Figure 3-5 Null Modem Cable Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Figure 3-6 Main Hub Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Figure 4-1 Expansion Hub in a Unison System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Figure 4-2 Expansion Hub Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Figure 4-3 Expansion Hub Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Figure 4-4 Expansion Hub Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Figure 5-1 Remote Access Unit in a Unison System . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Figure 5-2 Remote Access Unit Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Figure 6-1 Simplex Base Station to a Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27

Figure 6-2 Duplex Base Station to a Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-28

Figure 6-3 Connecting a Main Hub to Multiple Base Stations . . . . . . . . . . . . . . . 6-29

Figure 6-4 Connecting Two Main Hubs to a Simplex Repeater or Base Station . 6-30 Figure 6-5 Connecting Two Main Hubs to a Duplex Repeater or Base Station . . 6-31

Figure 6-6 Connecting MetroReach to Unison . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-35

Figure 6-7 Connecting a BTS to Unison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-36

Figure 6-8 Daisy-Chained Alarm Source Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 6-37

Figure 6-9 Connecting LGCell to Unison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38

Figure 6-10 Alarm Sense Adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-39

Figure 7-1 PC Connected to Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Figure 7-2 AdminManager Start Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10

Figure 7-3 Step 1: Verify Hardware Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13

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Figure 7-4 Step 2: Set Operation Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15

Figure 7-5 Step 3: Configure System Parameters . . . . . . . . . . . . . . . . . . . . . . . . . 7-19

Figure 7-6 Step 4: Final System Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21

Figure 7-7 Finish Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-23

Figure 7-8 Configuration & Maintenance Window . . . . . . . . . . . . . . . . . . . . . . . . 7-24

Figure 7-9 Firmware Update Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-37

Figure 8-1 Determining Path Loss between the Antenna and the Wireless Device 8-19

Figure 1 Losses to be Included in Optical Power Budget . . . . . . . . . . . . . . . . . . 8-45

Figure 8-2 Connecting Main Hubs to a Simplex Base Station . . . . . . . . . . . . . . . 8-47

Figure 8-3 Main Hub to Duplex Base Station or Repeater Connections . . . . . . . . 8-48

Figure A -1 Wiring Map for Cat-5/6 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2

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List of Tables

Table 2-1 Cellular RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Table 2-2 iDEN RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Table 2-3 GSM RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Table 2-4 EGSM RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Table 2-5 DCS RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Table 2-6 PCS RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Table 2-7 W-CDMA RF End-to-End Performance . . . . . . . . . . . . . . . . . . . . . . . 2-16

Table 3-1 Main Hub Status LED States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Table 3-2 Main Hub Port LED States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

Table 3-3 Main Hub Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Table 4-1 Expansion Hub Unit Status and DL/UL Status LED States . . . . . . . . . 4-5

Table 4-2 Expansion Hub Port LED States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Table 4-3 Expansion Hub Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Table 5-1 Remote Access Unit LED States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Table 5-2 Remote Access Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Table 6-1 Unison Distance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Table 6-2 Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Table 6-3 Tools and Materials Required for Component Installation . . . . . . . . . . 6-8

Table 6-4 Optional Accessories for Component Installation . . . . . . . . . . . . . . . . 6-8

Table 6-5 Troubleshooting Expansion Hub LEDs During Installation . . . . . . . . 6-18

Table 6-6 Troubleshooting Main Hub LEDs During Installation Power On . . . 6-24

Table 7-1 Configuration and Maintenance Window Options . . . . . . . . . . . . . . . 7-25

Table 7-2 Frequency Bands Adjacent to System Configured Bands . . . . . . . . . 7-30

Table 7-3 System Status Tree Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38

Table 8-1 800 MHz (AMPS) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Table 8-2 800 MHz (TDMA) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

Table 8-3 800 MHz (CDMA) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

Table 8-4 800 MHz (iDEN) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7

Table 8-5 900 MHz (GSM or EGSM) Power per Carrier . . . . . . . . . . . . . . . . . . . 8-8

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Table 8-6 900 MHz (EDGE) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . . .8-9

Table 8-7 1800 MHz (GSM) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

Table 8-8 1800 MHz (EDGE) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . .8-11

Table 8-9 1800 MHz (CDMA Korea) Power per Carrier . . . . . . . . . . . . . . . . . .8-12

Table 8-10 1900 MHz (TDMA) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . .8-13

Table 8-11 1900 MHz (GSM) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . .8-14

Table 8-12 1900 MHz (CDMA) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . .8-15

Table 8-13 1900 MHz (EDGE) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . . 8-16

Table 8-14 2.1 GHz (WCDMA) Power per Carrier . . . . . . . . . . . . . . . . . . . . . . . .8-17

Table 8-15 Coaxial Cable Losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19

Table 8-16 Average Signal Loss of Common Building Materials . . . . . . . . . . . . . 8-20

Table 8-17 Estimated Path Loss Slope for Different In-Building Environments . 8-21 Table 8-18 Frequency Bands and the Value of the first Term in Equation (3) . . . 8-22 T a ble 8-19 Approximate Radiated Distance from Antenna

for 800 MHz Cellular Applications . . . . . . . . . . . . . . . . . . . . . . . . . . .8-23

T a ble 8-20 Approximate Radiated Distance from Antenna

for 800 MHz iDEN Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-23

T a ble 8-21 Approximate Radiated Distance from Antenna

for 900 MHz GSM Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-24

T a ble 8-22 Approximate Radiated Distance from Antenna

for 900 MHz EGSM Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24

T a ble 8-23 Approximate Radiated Distance from Antenna

for 1800 MHz DCS Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25

T a ble 8-24 Approximate Radiated Distance from Antenna

for 1800 MHz CDMA (Korea) Applications . . . . . . . . . . . . . . . . . . .8 -25

T a ble 8-25 Approximate Radiated Distance from Antenna

for 1900 MHz PCS Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26

T a ble 8-26 Approximate Radiated Distance from Antenna

for 2.1 GHz UMTS Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-26

Table 8-27 System Gain (Loss) Relative to ScTP Cable Length . . . . . . . . . . . . . .8-31

Table 8-28 Link Budget Considerations for Narrowband Systems . . . . . . . . . . . .8 -33

Table 8-29 Distribution of Power within a CDMA Signal . . . . . . . . . . . . . . . . . . 8-37

Table 8-30 Additional Link Budget Considerations for CDMA Systems . . . . . . .8-38

Table 10-1 Main Hub Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

Table 10-2 Expansion Hub Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-5

Table 10-3 Remote Access Unit Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 0-7

Table 10-4 Main Hub Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-8

Table 10-5 Expansion Hub Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-9

Table 10-6 Remote Access Unit Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-9

Table 10-7 Troubleshooting Main Hub Port LEDs During Normal Operation . . 10-11 Table 10-8 Troubleshooting Main Hub Status LEDs During Normal Operation 10-11

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Table 10-9 Troubleshooting Expansion Hub Port LEDs During Normal

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12

Table 10-10 Troubleshooting Expansion Hub Status LEDs During Normal

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-13

Table A-1 Cat-5/6 Twisted Pair Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

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SECTION 1

General Information

This section contains the following subsections:

• Section 1.1 Purpose and Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

• Section 1.2 Conventions in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

• Section 1.3 Acronyms in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

• Section 1.4 Standards Conformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

• Section 1.5 Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

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1.1 Purpose and Scope

This document describes the InterReach

Unison system components and the AdminManager software. Included is information for the installation, operation, and maintenance of the system. Also included is information about how to use the AdminManager software to install and configure the Unison system, as well as to perform other tasks such as change gain settings and check system status.

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1.2 Conventions in this Manual

The following table lists the type style conventions used in this manual.

Convention Description

bold Used for emphasis

BOLD CAPS

MALL CAPS Used to highlight software window buttons

Measurements are listed first in metric units, followed by U.S. Customary System of units in parentheses. For example:

0° to 45°C (32° to 113°F)

The following symbols are used to highlight certain information as described.

NOTE: This format is used to emphasize text with special significance or importance, and to provide supplemental information.

Used to indicate labels on equipment

CAUTION: This format is used when a given action or omitted action can cause or contribute to a hazardous condition. Damage to the equipment can occur.

WARNING: Th is f orm at is used when a given ac tion o r om itted a c tion can result in catastrophic damage to the equipment or cause injury to the user.

Procedure

This format is used to highlight a procedure.

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1.3 Acronyms in this Manual

Acronym Definition

AGC automatic gain control ALC automatic level control AMPS Advanced Mobile Phone Se r vi ce BTS base transceiver stati on Cat-5/6 Category 5 or Category 6 (twisted pair cable) CDMA code division multiple access CDPD cellular digital packet data dB decibel dBm decibels relative to 1 milliwatt DC direct current DCS Digital Communications System DL downlink EDGE Enhanced Data Rates for Global Evolution EGSM Extended Global Standard for Mobile Communications EH Expansion Hub GHz gigahertz GPRS General Packet Radio Service GSM Groupe Speciale Mobile (now translated in English as Global Standard

for Mobile Communications) Hz hertz IF intermediate frequency iDEN Integrated Digital Enhanced Network (Motorola variant of TDMA

wireless) LAN local area network LO local oscillator mA milliamps MBS microcellular base station MH Main Hub MHz megahertz MMF multi-mode fibe r MTBF mean time between failures NF noise figure nm nanometer OA&M operation, administration, and main te na n ce

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Acronym Definition

PCS Personal Communication Services PLL phase-locked loop PLS path loss slope RAU Remote Access Unit RF radio frequency RSSI received signal strength indicator SC/APC fiber optic connector complying with NTT SC standard, angle-polished SMA sub-miniature A connector (coaxial cable connector type) SMF single-mode fiber ST straight tip (fiber optic cable connector type) ScTP screened twisted pair TDMA time division multiple access UL uplink; Underwriters Laboratories uW microwatts UMTS Universal Mobile Telecommunications System UPS uninterruptable power suppl y Wwatt W-CDMA wideband code division multiple access

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1.4 Standards Conformance

• Utilizes the TIA/EIA 568-A Ethernet cabling standards for ease of installation (see Appendix B).

• See Appendix B for compliance information.

1.5 Related Publications

• MetroReach Focus Configuration, Installation, and Reference Manual; LGC Wireless part number 8500-10

• LGCell Version 4.0 Installation, Operat ion, and R eference Manual; LGC Wireless part number 8100-50

• OpsConsole Us e r Gu i de; LGC Wireless part number 8701-10

• ARM2000 Installation, Operation, and Reference Manual; LGC Wireless part number 8305-10

• LGC Wireless Accessories Catalog; LGC Wireless part number 8600-10

• Neutral Host System Planning Guide; LGC Wireless part number 9000-10

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SECTION 2

InterReach™ Unison System Description

2.1 System Overview

InterReach™ Unison is an intelligent fiber optic wireless networking system that is designed to handle both wireless voice and data communications and provide high-quality , ubiquitous, s eamless access to the Cellular or Personal Comm unications Services (PCS) network in any public or private facility, including:

• Campus environments

•Airports

• Office buildings

• Shopping Malls

• Hospitals

• Public Facilities (convention centers, sports venues, etc.)

Unlike other wireless distribution alternatives, Unison is an intelligent active system, using microprocessors to enable key capabilities such as software-selectable band settings, automatic gain control, ability to incrementally adjust downlink/uplink gain, end-to-end alarming of all components and the associated cable infrastructure, and a host of additional capabilities.

The Unison system supports major Cellu lar/PCS standar ds an d air inter face pro tocols in use around the world, including:

• Frequencies: 800 MHz, 900 MHz, 1800 MHz, 1900 MHz, 2100 MHz

• Protocols: AMPS, TDMA, CDMA, DCS, GSM, EGSM, iDEN, CDPD, EDGE, GPRS, WCDMA

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Key System Features

• Superior RF performance, particularly in the areas of IP3 and noise figure.

• High downlink composite power (+26 dBm), IP3 (+38 dBm) and low uplink noise fig ure (22 dB for a system with 8 RAUs), enables support of a large number of channels and larger coverage footprint per antenna.

• The Main Hub and the Expansion Hub are software configurable. Thus, the frequency band can be field configured.

• The system supports flexible cabling alternatives, allowin g the use of either mul- timode or sing le -mode fiber (in addition to standard Cat-5 or Cat-6 [Cat-5/6] twisted pair). Cabling type can be selected to meet the resident cabling infrastructure of the facility and unique building topologies.

• Extended system “reach”. Using multimode fiber, fiber runs can be as long as

1.5 kilometers. Alternately, with single mode fiber the fiber run can be as long as 6 kilometers (creating a total system “wingspan” of 12 kilometers). And the Cat-5/6 twisted pair cable run can be up to 100 meters recommended maximum (150 meters with RF performance degradation).

• Flexible RF configuration capabilities, including:

• System gain: – Ability to manually set gain in 1 dB steps on both downlink and uplink.

• RAU: – RAU uplink and downlink gain can be attenuated 10 dB. – Uplink level control protects the system from input overload and can be

optimized for either a single operator or multi-operators/protocols.

– VSWR check on RAU reports if there is a problem with the antenna.

• The system firmware effectively “future proofs” the product. When any modi-

fications are made to the product, including the addition of new software capabilities/services, systems that have already been installed can be upgraded simply by downloading new firmware (either locally or remotely).

• Extensive OA&M capabilities, including fault isolation to the field replaceable

unit, automatic reporting of all warnings and alarms, and user-friendly graphical-user interface OA&M software packages.

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2.2 System Hardwa re

The InterReach Unison system consists of three modular components:

• 19" rack-mountable Main Hub (connects to up to 4 Expansion Hubs)

• Converts RF signals to optical on the downlink; optical to RF on the uplink

• Microprocessor controlled (for alarms, monitoring, and control)

• Software configurable band

• Simplex interface to any RF source

• System master – periodically polls all downstream units (Expansion Hubs/RAUs) for system status, and automatically reports any warnings/alarms

• 19" rack-mountable Expansion Hub (connects to up to 8 Remote Access Units)

• Converts optical signals to electrical on the downlink and electrical signals to optical on the uplink

• Microprocessor controlled (for alarms, monitoring, and control)

• Software configurable band (based on command from Main Hub)

• Supplies DC power to RAU

• Remote Access Unit (RAU)

• Converts electrical signals to RF on the downlink; RF to electrical on the uplink

• Microprocessor controlled (for alarms, monitoring, and control)

• Protocol/band specific units

The minimum configuration of a Unison system is one Main Hub, one Expansion Hub, and one RAU (1-1-1). The maximum configuration of a system is one Main Hub, four Expansion Hubs, and 32 RAUs (1-4-32). Multiple systems can be combined to provide larger configurations.

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2.3 System Software

The AdminManager software runs on a Laptop PC which is either d irectly co nnected to the DB-9 RS-232 male connector on the Main Hub’s front panel or is remotely communicating through a modem that is connected to the DB-9 connector on the Main Hub’s rear panel. The AdminManager communicates with one Main Hub, and its downstream units, at a time.

• Connected locally , you can access the Installation Wizar d which lets you configure a newly installed system, or access the Configuration Panel which lets you query system status, configure a newly added or swapped unit, or change system parameters.

• Connected remotely, AdminManager initiates communications with the Main Hub. You can access a read-only Configuration Panel which lets you check system status to help you determine if an on-site visit is required.

Refer to Section 7 for information about installing and using the AdminManager software.

Alternately, an LGC Wireless OA&M software application called the OpsConsole is available separately. The OpsConsole lets you manage, monitor, and maintain multiple sites and systems from a centralized location. This software is described in a separate LGC document (part number 8701-10).

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2.4 System OA&M Capabilities

The InterReach Unison is microprocessor controlled and contains firmware which enables much of the OA&M functionality.

Complete alarming, down to the field replaceable unit (i.e., Main Hub, Expansion Hub, Remote Access Unit) and the cabling infrastructure, is available. All events occurring in a system, defined as a Main Hub and all of its associated Expansion Hubs and Remote Access Units, are automatically reported to the Main Hub. The Main Hub monitors system status and communicates that status using the following methods:

• Normally closed (NC) alarm contact closures can be tied to standard NC alarm monitoring systems or directly to a base station for alarm monitoring.

• The Main Hub’s front panel serial port connects directly to a PC (for local access) or to a modem (for remote access).

Figure 2-1 OA&M Communications

AdminManager can only ini tiat e communications with a remotely installed system; it cannot receive modem calls. Use the OpsConsole for monitoring and receiving communications from remotely installed systems.

PC/Laptop running AdminManager Or OpsConsole

RS-232 Ethernet

RS-232

SC/APC

Fiber

SC/APC

Expansion Hub

RJ-45

Cat-5/6

RJ-45

Remote Access Unit

RS-232

Main Hub

TCP/IP

Modem

ENET/232

Converter

RS-232

Main Hub

PSTN

Modem

Main Hub

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2.4.1 Configuring, Maintaining, and Monitoring Unison Locally

Each Main Hub, Expansion Hub, and RAU in the system constantly monitors itself and its downstream units for internal fault and warning conditions. The results of the monitoring are stored in memory and compared against new results.

The Expansion Hubs monitor their R AUs an d s tore their status in memory. The Main Hub monitors its Expans ion Hubs and stores t heir statu s and the st atus of the R AUs in its memory. When a unit detects a change in status, a fault or warning is reported. Faults are indicated locally by red status LEDs, and faults and warnings are reported to the Main Hub and displayed on a PC/laptop, via the Main Hub’s serial port, that is running the AdminManager software.

Using AdminManager locally, you can install a new system or new components, change system parameters, and query system status. The following figure illustrates how the system reports its status to AdminManager.

Figure 2-2 Local System Monitoring and Reporting

The Main Hub checks its own status and polls each of its

PC/Laptop

running

AdminManager

Expansion Hubs for their status, which includes RAU status.

Main

Hub

The Expansion Hub checks its own status and polls each of its RAUs for their status.

Use the AdminManager to query units for their status or get current warning and alarm conditions.

The Main Hub receives status of the Expansion Hubs and each of their RAUs, and compares it to previously stored status.

• LEDs on the front panel of the Main Hub light red if a fault is detected in any unit.

• If a fault or warning condition is detected in any unit, the Main Hub reports it to the AdminManager.

Expansion

Hub

The Expansion Hub receives status from each of its RAUs and compares it to previously stored status.

• LEDs on the front panel of the Expansion Hub light red if a fault is detected in itself or an RAU.

• If a fault or warning condition is detected in the Expansion Hub or an RAU, the information is passed to the Main Hub.

RAU

Each RAU reports its status to the Expansion Hub.

• If a fault is detected, the ALARM LED is red. If no fault is detected, the LED is green.

• If a fault or warning condition is detected, the information is passed to the Expansion Hub.

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PRELIMINARY Monitoring and Maintaining Unison Remotely

2.4.2 Monitoring and Maintaining Unison Remotely

When monitoring the system remotely, any change of state within the system causes the Main Hub to initiate an automatic call-out and report the system status to the OpsConsole. If the host does not acknowledge the connection, the Main Hub issues an automatic call-out every 15 minutes until an auto ackn owledge or st andard re quest for status (initiated by the host) is received.

You can use AdminManager to query system status via a read-only Configuration & Maintenance panel. You cannot change system parameters or configure system components remotely with AdminManager. (Refer to Figure 2-1 on page 2-5.)

The following figure illustrates how the system reports its status to the OpsConsole.

Figure 2-3 Remote System Monitoring and Reporting

The Main Hub checks its own status and polls each of its Expansion Hubs for their status, which includes RAU status.

PSTN

Modem

running

OpsConsole

Use the OpsConsole to remotely monitor and maintain the system.

Modem

The Main Hub receives status of Expansion Hub and each RAU and compares it to previously stored status.

• If a fault is detected, LEDs on the front panel light red.

• If a fault or warning condition is detected in any unit, the Main Hub initiates a call to the OpsConsole.

Main

Hub

The Expansion Hub receives status from each RAU and compares it to previously stored status.

• If a fault is detected, LEDs on

• If a fault or warning condition

The Expansion Hub checks its own status and polls each of its RAUs for their status.

Expansion

Hub

Each RAU reports its status to the Expansion Hub.

the front panel light red.

is detected in the Expansion Hub or an RAU, the information is passed to the Main Hub.

• If a fault is detected, the

• If a fault or warning condition

ALARM LED is red. If no fault is detected, the LED is green.

is detected, the information is passed to the Expansion Hub.

Refer to the OpsConsole User Guide, LGC Wireless part number 8701-10, for more information about using the OpsConsole for system monitoring.

RAU

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2.4.3 Using Alarm Contact Closures

The DB-9 female connector on the rear panel of the Main Hub can be connected to a local base station or to a daisy-chained series of Unis on, 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 Focus is the input (alarm sense).

• When you connect LGCell to Unison, the Unison Main Hub is the input of the alarms (alarm sense) and the LGCell is the output (alarm source).

Refer to Section 6.7 on page 6-34 for information o n how to connect other equ ipmen t to a Unison system for monitoring.

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2.5 System Connectivity

The double star architecture of the Unison system, illustrated in the following figure, provides excellent system scalability and reliability. The system requires only one pair of fiber for 8 antenna points. This makes any system expansion, such as adding an extra antenna for additional coverage, potentially as easy as pulling an extra twisted pair (instead of pulling additional fiber).

Figure 2-4 Unison’s Double Star Architecture

PORT 1 PORT 2 PORT 3 PORT 4

RS-232

Main Hub

Fiber

Expansion Hub

Cat-5/6Cat-5/6 Cat-5/6

RAU RAU RAU

up to 8 RAUs per Expansion Hub

Expansion Hub

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2.6 System Operation

• Downlink (Base Station to Wireless Devices)

The Main Hub receives downlink RF signals from a base station via coaxial cable

The Main Hub converts the RF signals to IF, then

Main Hub

to optical signals and sends them to Expansion Hubs (up to four) via optical fiber cable.

The Expansion Hub converts the optical sig-

Expansion Hub

nals to electrical signals and sends them to RAUs (up to eight) via Cat-5/6 cable.

RAU

The RAU converts the IF signals to RF and sends them to passive antennas via coaxial cable.

Main Hub

The Main Hub sends uplink RF signals to a base station via coaxial cable

• Uplink (Wireless Devices to Base Station)

Expansion Hub

The Main Hub receives the optical signals from the Expansion Hubs (up to four) via optical fiber cables and converts them to RF signals.

The Expansion Hub receives the IF signals from the RAUs (up to eight) via Cat-5/6 cables and converts them to optical signals.

RAU

The RAU receives uplink RF signals from the passive antenna via coaxial cable and converts them to IF signals.

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PRELIMINARY System Specifications

2.7 System Specifications

2.7.1 Physical Specifications

Parameter Main Hub Expansion Hub Remote Antenna Unit

RF Connectors 2 N-type, female 8 shielded RJ-45, female

(Cat-5/6)

External Alarm Connector

1 9-pin D-sub, fem al e — —

(contact closure) Serial Interface Connector 1 9-pin D-sub, male — — Fiber Connectors 4 Pair, SC/APC 1 Pair, SC/APC — LED Alarm and

Status Indicators

Unit Status (1 pair):

•Power

• Main Hub Status Downstream Unit Status

(1 pair per fiber port):

•Link

•E-Hub/RAU

Unit Status (1 pair):

•Power

•E-Hub Status Fiber Link Status (1 pair):

•DL Status

•UL Status RAU/Link Status

(1 pair per RJ-45 port):

•Link

•RAU

AC Power (Volts) Rating: 100–240V, 0.5A,

50–60 Hz Operating Range: 85–250V,

2.4–0.8A, 47–63 Hz

Rating: 115/230V, 5/2.5A, 50–60 Hz

Operating Range: 90–132V/170–250V auto-ranging,

2.2–1.5A/1.2–0.8A, 47–63 Hz DC Power (Volts) — — 36V Power Consumption (W) 30 260 (includes 8 RAUs) 11 Enclosure Dimensions*

× width × depth)

(height

44.5 mm × 438 mm × 305 mm (1.75 in. × 17.25 in. × 12 in.)

W e ight < 3 kg

(< 6.5 lb)

89 mm × 438 mm × 305 mm (3.5 in. × 17.25 in. × 12 in.)

< 5 kg (< 11 lb)

MTBF 106,272 hour s 78,998 hours 282,207 hours

*Excluding angle-brackets for 19'' rack mounting of hubs.

1 RJ-45, female (Cat-5/6) 1 SMA, male (coaxial)

Unit Status (1 pair):

•Link

•Alarm

—

44 mm × 305 mm × 158 mm (1.7 in. × 12 in. × 6.2 in.)

< 1 kg (< 2 lb)

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2.7.2 Environmental Specifications

Parameter Main Hub and Expansion Hub RAU

Operating Temperature 0° to +45°C (+32° to +113°F) –25° to +45°C (–13° to +113°F) Non-operating Temperature –20° to +85°C (–4° to +185°F) –25° to +85°C (–13° to +185°F) Operating Humidity; non-c on de n si ng 5% to 95% 5% to 95%

2.7.3 Operating Frequencies

RF Passband

Freq. Band

PCS PCS1 A & D Band 1930–1950 1850–1870 PCS PCS2 D & B Band 19 45–1965 1865–1885 PCS PCS3 B & E Band 1950–1970 1870–1890 PCS PCS4 E & F Band 1965–1975 1885–1895 PCS PCS5 F & C Band 1970–1990 1890–1910 DCS DCS1 DCS1 Band 1805–18 42.5 1710–1747.5 DCS DCS2 D CS2 Band 1842.5–1880 174 7.5–1785 DCS DCS3 D CS3 Band 1840–1875 1745–1780 Cellular CELL – 869–894 824–849 iDEN iDEN – 851–869 806–824 EGSM EGSM – 925–960 880–915 GSM GSM – 935–960 890–915 UMTS UMTS1 – 2110–2145 1920–1955 UMTS UMTS2 – 2125–2160 1935–1970 UMTS UMTS3 – 2135–2170 1945–1980

Unison Band Description

Downlink (MHz) Uplink (MHz)

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2.7.4 RF End-to-End Performance

Table 2-1 Cellular RF End-to-End Performa nce

Link

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (77°F)* Uplink Ripple with 7 5 m C a t-5/6 3 dB Downlink Ripple with 75 m Cat-5/6 2 dB Output IP3 38 dBm Input IP3† Output 1 dB Compression Point 26 dBm AMPS output power per carrier when 30 carriers are present 0.7 dBm TDMA output power per carrier when 16 carriers are present 4.0 dBm CDMA output power per carrier when 6 carriers are present 7.8 dBm Noise Figure 1 MH-1 EH-8 RAUs 16 dB Noise Figure 1 MH-4 EHs-32 RAUs 22 dB

*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAUs can be attenuated 0 to 10 dB, adjustable in one step.

†For two tones into one RAU, IP3 higher in other ci rcumstances.

Table 2-2 iDEN RF End-to-End Performance

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (77°F)* Uplink Ripple with 7 5 m C a t-5/6 3 dB Downlink Ripple with 75 m Cat-5/6 2 dB Output IP3 38 dBm Input IP3 –16 dBm Output 1 dB Compression Point 26 dBm Output power per carrier when 6 carriers are prese nt 6.4 dBm Noise Figure 1 MH-1 EH-8 RAUs 17 dB Noise Figure 1 MH-4 EHs-32 RAUs 23 dB

15 dB

–16 dBm

15 dB

UL DL





Link

UL DL





*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAUs can be attenuated 0 to 10 dB, adjustable in one step.

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Table 2-3 GSM RF End-to-End Performance

Link

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (7 7° F)* Uplink Ripple wi th 75 m Cat-5/6 3 dB Downlink Ripple with 75 m Cat-5/6 2 dB Output IP3 38 dBm Input IP3 –16 dBm Output 1 dB Compression Point 26 dBm GSM output power per carrier when 12 carriers are pre sent 5.0 dBm Noise Figure 1 MH-1 EH-8 RAUs 17 dB Noise Figure 1 MH-4 EHs-32 RAUs 23 dB

*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAU s ca n be attenuated 0 to 10 dB, adjustable in on e step.

Table 2-4 EGSM RF End-to-End Performance

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (77°F) * Uplink Ripple wi th 75 m Cat-5/6 3 dB Downlink Ripple with 75 m Cat-5/6 3 dB Output IP3 38 dBm Input IP3 –16 dBm Output 1 dB Compression Point 26 dBm GSM output power per carrier when 12 carriers are pre sent 5.0 dBm Noise Figure 1 MH-1 EH-8 RAUs 16 dB Noise Figure 1 MH-4 EHs-32 RAUs 22 dB

15 dB

UL DL





Link

UL DL





*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAU s ca n be attenuated 0 to 10 dB, adjustable in on e step.

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PRELIMINARY RF End-to-End Performance

Table 2-5 DCS RF End-to- End Performance

Link

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (77°F)* Uplink Ripple with 75 m Cat-5/6 5.5 dB Downlink Ripple with 75 m Cat-5/6 3 dB Output IP3 36.5 dBm Input IP3 –16 dBm Output 1 dB Compression Point 24.5 dBm GSM output power per carrier when 16 carriers are present 5.0 dBm Noise Figure 1 MH-1 EH-8 RAUs 17 dB Noise Figure 1 MH-4 EHs-32 RAUs 23 dB

*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAUs can be attenuated 0 to 10 dB, adjustable in one step.

Table 2-6 PCS RF End-to- End Performance

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (77°F)* Uplink Ripple with 7 5 m C at-5/6 3 dB Downlink Ripple with 75 m Cat-5/6 3 dB Output IP3 36.5 dBm Input IP3 –16 dBm Output 1 dB Compression Point 24.5 dBm TDMA output power per carrier when 16 carriers are present 4.0 dBm GSM output power per carrier when 16 carriers are present 4.2 dBm CDMA output power per carrier when 8 carriers are present 7.8 dBm Noise Figure 1 MH-1 EH-8 RAUs 16 dB Noise Figure 1 MH-4 EHs-32 RAUs 22 dB

15 dB

UL DL





Link

UL DL





*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAUs can be attenuated 0 to 10 dB, adjustable in one step.

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Table 2-7 W-CDMA RF End-to-End Performance

Link

Parameter Typical

Average gain with 75 m Cat-5/6 at 25°C (77°F) *

15 dB Uplink Ripple wi th 75 m Cat-5/6 3 dB Downlink Ripple with 75 m Cat-5/6 3 dB Output IP3 36.5 dBm Input IP3 –12 dBm Output 1 dB Compression Point 26 dBm Output power per carrier when 7 carriers are present

TBD 

Noise Figure 1 MH-1 EH-8 RAUs 16 dB Noise Figure 1 MH-4 EHs-32 RAUs 22 dB

*System output gain: 0 to 15 dB, adjustable in 1 dB steps.

The gain of individual RAU s ca n be attenuated 0 to 10 dB, adjustable in on e step.

UL DL





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PRELIMINARY

SECTION 3

Unison Main Hub

The Main Hub distributes downlink RF signals from a base station, repeater, or MetroReach Focus system to up to four Expansion Hubs, which in turn distribute the signals to up to 32 Remote Access Units. The Main Hub also combines uplink signals from the Expansion Hubs for a base station or MetroReach Focus system.

Figure 3-1 Main Hub in a Unison System

Downlink Path: The Main Hub receives downlink RF signals from a base station, repeater, or MetroReach Focus system

via coaxial cable. It converts the signals to optical and sends them to up to four Expansion Hubs via fiber optic cables. The Main Hub also sends OA&M communication to the Expansion Hubs via the fiber optic cable. The Expansion Hubs, in

turn, communicate the OA&M information to the RAUs via Cat-5/6 cable.

Downlink to Main Hub

Unison Main Hub

Uplink from Main Hub

Uplink Path: The Main Hub receives uplink optical signals from up to four Expansion Hubs via fiber optic cables. It converts the signals to RF and sends them to a base station, repeater, or MetroReach Focus system via coaxial cable.

The Main Hub also receives status information from the Expansion Hubs and all RAUs via the fiber optic cable.

Downlink from Main Hub

Unison Expansion Hub RAU

Uplink to Main Hub

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Figure 3-2 Main Hub Block Diagram

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PRELIMINARY Main Hub Front Panel

3.1 Main Hub Front Panel

Figure 3-3 Main Hub Front Panel

1 234

1. Four fiber optic ports (labeled PORT 1, PORT 2, PORT 3, PORT 4)

• One standard female SC/APC connector per p ort for MMF /SMF inpu t (labeled

UPLINK)

• One standard female SC/APC connector per port for MMF/SMF output (labeled

2. Four sets of fiber port LEDs (one set per port)

• One LED per port for port link status (labeled

• One LED per port for downstream unit status (labeled

3. One set of unit status LEDs

• One LED for unit power status (labeled

• One LED for unit status (labeled

4. One 9-pin D-sub male connector for system commun ication and diagn ostics using

a PC/laptop (labeled

DOWNLINK)

LINK)

E-HUB/RAU)

POWER)

MAIN HUB STATUS)

RS-232)

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3.1.1 Optical Fiber Uplink/Downlink Ports

The optical fiber uplink/downlink ports transmit and receive optical signals between the Main Hub and up to four Expansion Hub(s) using industry-standard SMF or MMF cable. There are four fiber ports on the front panel of the Main Hub; one port per Expansion Hub. Each fiber port has two female SC/APC connectors:

• Optical Fiber Uplink Connector

This connector (labeled

UPLINK) is used to receive the uplink optical signals from

an Expansion Hub.

• Optical Fiber Downlink Connector

This connector (labeled

DOWNLINK) is used to transmit the downlink optical sig-

nals to an Expansion Hub.

CAUTION: To avoid damaging the Main Hub’s fiber connector ports, use only SC/APC fiber cable connectors.

3.1.2 Communications RS-232 Serial Connector

Remote Monitoring

Use a standard serial cable to connect a modem to the 9-pin D-sub male serial connector for remote monitoring or configuring. The cable typically has a DB-9 female and a DB-25 male connector. The following figure shows the cable pinout.

Figure 3-4 Standard Serial Cable Pinout

DB-9

Connector

1 2 3 4 5 6 7 8 9

DB-25

Connector

8 3 2

7 6 4 5

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Local Monitoring

Use a null modem cable to connect a laptop or PC to the 9-pin D-sub male serial connector for local monitoring or configuring. The cable typically has a DB-9 female connector on both ends. The following figure shows the cable pinout.

Figure 3-5 Null Modem Cable Pinout

DB-9

Connector

1 2 3 4 5 6 7 8 9

DB-9

Connector

1 2 3 4 5 6 7 8 9

Note that for each connector, pins 1 and 6 are tied together and sent to pin 4 of the opposite connector.

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3.1.3 LED Indicators

The unit’s front panel LEDs indi cate fault conditions an d commanded or fault lockouts. The LEDs do not indicate warnings or if the system test has not been performed. Use the LEDs as a go/no go test or as a backup when you are not using AdminManager.

Upon power up, the Main Hub goes through a five-second test to check the LED lamps. During this time, the LEDs blink through the states shown in Table 3-2, letting you visually verify that the LED lamps and the firmware are functioning properly.

NOTE: Refer to Section 10 for troubleshooting using the LEDs.

Unit Status LEDs

The Main Hub status LEDs can be in one of three states, as shown in Table 3-1. These LEDs can be:

steady green steady red

POWER MAIN HUB STATUS

blinking green/red (alternating green/red)

There is no off state when the unit’s power is on.

Table 3-1 Main Hub Status LED States

LED State Indicates

Green Green

Green Red

Green Alternating

Green/Red

• Main Hub is connected to power

• Main Hub is not reporting a fault; but the system test may need to be performed or a warning condition could exist

• Main Hub is connected to power

• Main Hub is reporting a fault or lockout condition

• Main Hub is connected to power

• Main Hub input signal level too high

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Port LEDs

The Main Hub has one pair of fiber port LEDs for each of the four Expansion Hub ports. The LED pairs can be in one of four states, as shown in the following table, in a combination of the following:

off steady green steady red

The port LEDs indicate the status of the Expan sion Hub and RAUs; however, they do not indicate which particular unit is having a problem (i.e., the Expansion Hub vs. one of the RAUs).

Table 3-2 Main Hub Port LED States

LED State Indicates

LINK E-HUB/RAU

Off Off

Green Green

Red Off

Green Red

• Expansion Hub not connected

• Expansion Hub connected, communications normal

• No faults f rom Expansion Hub or any connected RAU

• Loss of communications with Expansion Hub

• Expansion Hub connected

• Fault or lockout reported by Expansion Hub or any connected RAU

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3.2 Main Hub Rear Panel

Figure 3-6 Main Hub Rear Panel

1 2 3 4 5

1. Power on/off switch

2. AC power cord connector

3. Fan exhaust vent

4. One 9-pin D-sub female connector for contact closure monitoring (labeled DIAGNOSTIC 1)

5. Two N-type, fe male connectors:

• Downlink (labeled

• Uplink (labeled

DOWNLINK)

UPLINK)

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3.2.1 Main Hub Rear Panel Connectors

3.2.1.1 N-type Female Connectors

There are two N-type female connectors on the rear panel of the Main Hub:

•The

UPLINK connector transmits uplink RF signals to a repeater, local base sta-

tion, or MetroReach Focus system.

•The

DOWNLINK connector receives downlink RF signals from a repeater, local

base station, or MetroReach Focus system.

3.2.1.2 9-pin D-sub Connector

The 9-pin D-sub connector (labeled DIAGNOSTIC 1) provides contact closure for major error and minor error system alarm monitoring.

The following table lists the function of each pin on the 9-pin D-sub connector. Pin locations are labeled on the figure.

Pin Function

1 Ground / Alarm Input 2 Reserved 3 Reserved 4 Minor Error (positive connection) 5 Minor Error (negative connection) 6 DC Ground (common) 7 Major Error (positive connection) 8 Alarm Input 9 Major Error (negative connection)

This interface can either generate contact alarms or sense a single external alarm contact.

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3.3 Faults and Warnings

The Main Hub monitors and reports changes in system performance to:

• Ensure that Expansion Hubs and Remote Access Units are con nected and function-

ing properly.

• Ensure that the fiber receivers, amplifiers, and IF/RF path in the Main Hub are

functioning properly.

The Main Hub periodically polls attached Expansion Hubs and their Remote Access Units for status. Both fault and warning conditions are reported to a connected PC/laptop that is running the AdminManager software or to the optional remote OpsConsole. Only faults are indicated by LEDs.

The faults and warnings that the Main Hub is responsible for monitoring and reporting are listed in Section 10.

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3.4 Main Hub Specifications

Table 3-3 Main Hub Specifications

Specification Description

Enclosure Dimensions (H

Weight < 3 kg (< 6.5 lb) Operating Temperature 0° to +45°C (+32° to +113°F) Non-operating Temperature –20° to +85°C (–4° to +185°F) Operating Humidity, non-condensing 5% to 95% External Alarm Connector

(contact closure) Serial Interface Connector 1 9-pin D-sub, male Fiber Connectors 4 Pair, SC/APC RF Connectors 2 N-type, female LED Fault and Status Indicators Unit Status (1 pair):

AC Power Ratin g: 100–240V, 0.5A, 50–6 0 Hz

Power Consumption (W) 30 MTBF 106,272 hours

× W × D): 44.5 mm × 438 mm × 305 mm

(1.75 in. × 17.25 in. × 12 in.)

1 9-pin D-sub, female

•Power

• Main Hub Stat us Downstream Unit/Link Status (1 pair per fiber port):

•Link

•E-Hub/RAU

Operating Range: 85–250V, 2.4–0.8A, 47–63 Hz

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PRELIMINARY

SECTION 4

Unison Exp ansion Hub

The Expansion Hub interfaces between the Main Hub and the Remote Access Unit(s) by converting optical signals to electrical signals. It also supplies the DC power to operate the Remote Access Unit(s).

Figure 4-1 Expansion Hub in a Unison System

Downlink Path: The Expansion Hub receives downlink optical signals from the Main Hub via fiber optic cable. It converts

the signals to electrical and sends them to up to eight Remote Access Units (RAUs) via Cat-5/6 cables. Also, the Expansion Hub receives configuration information from the Main Hub via the fiber optic cable and relays configu-

ration information to the RAUs via the Cat-5/6 cable.

Downlink to Expansion Hub

Unison Main Hub

Uplink from Expansion Hub

Uplink Path: The Expansion Hub receives uplink IF signals from up to eight RAUs via Cat-5/6 cables. It converts the signals to optical and sends them to a Main Hub via fiber optic cable.

Also, the Expansion Hub receives RAU status information via the Cat-5/6 cable and sends it and its own status information to the Main Hub via the fiber optic cable.

Unison Expansion Hub

Downlink from Expansion Hub

RAU

Uplink to Expansion Hub

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Figure 4-2 Expansion Hub Blo c k Diagram

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PRELIMINARY Expa ns ion Hub Front Panel

4.1 Expansion Hub Front Panel

Figure 4-3 Expansion Hub Front Panel

1 2 3 4 5

1. Eight standard Cat-5/6 ScTP cable RJ-45 connectors (labeled PORT 1 , 2, 3, 4, 5, 6, 7, 8)

2. Eight sets of RJ-45 port LEDs (one set per port)

• One LED per port for link status (labeled

• One LED per port for downstream unit status (labeled

3. One set of unit status LEDs

• One LED for unit power status (labeled

• One LED for unit status (labeled

4. One set of fiber connection status LEDs

E-HUB STATUS)

• One LED for fiber downlink status (labeled

• One LED for fiber uplink status (labeled

5. One fiber optic port which has two connectors

• One standard female SC/APC connector for MMF/SMF input (labeled

• One standard female SC/APC connector for MMF/SMF outpu t (lab eled

)

LINK

LINK)

RAU)

POWER)

DL STATUS)

UL STATUS)

UPLINK)

DOWN-

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4.1.1 RJ-45 Connectors

The eight RJ-45 connectors on th e Expans ion Hub are for the Cat-5/6 ScTP cable that is used to transmit and receive signals to and from RAUs. Use shielded RJ-45 connectors on the Cat-5/6 cable.

The Cat-5/6 cable also delivers DC electrical power to the RAUs. The Expansion Hub’s DC voltage output is 36V DC nominal. A current limiting circuit is used to protect the Expansion Hub if any port draws excessive power.

4.1.2 Optical Fiber Uplink/Downlink Connectors

The optical fiber uplink/downlink port transmits and receives optical signals between the Expansion Hub and the Main Hub using industry-standard SMF or MMF cable. The fiber port has two female SC/APC conne ctors:

• Optical Fiber Uplink Connector

This connector (labeled to the Main Hub.

• Optical Fiber Downlink Connector

This connector (labeled nals from the Main Hub.

UPLINK) is used to transmit (output) uplink optical signals

DOWNLINK) is used to receive (input) downlink optical sig-

CAUTION: To avoid damaging the Expansion Hub’s fiber con-

nector port, use only SC/APC fiber cable connectors.

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4.1.3 LED Indicators

The unit’s front panel LEDs indicate fault conditions and commanded or fault lockouts. The LEDs do not indicate warnings or if the system test has not been performed. Use the LEDs as a go/no go test or as a backup when you are not using AdminManager.

Upon power up, the Expansion Hub goes through a five-second test to check the LED lamps. During this time, the LEDs blink through the states shown in Table 4-2, letting you visually verify that the LED lamps and the firmware are functioning properly.

NOTE: Refer to Section 10 for troubleshooting using the LEDs.

Unit Status and DL/UL Status LEDs

The Expansion Hub unit status and DL/UL status LEDs can be in one of five states, as shown in the following table. These LEDs can be:

steady green steady red

POWER

E-HUB STATUS

POWER

E-HUB STATUS

POWER

E-HUB STATUS

POWER

E-HUB STATUS

POWER

E-HUB STATUS

There is no off state when the unit’s power is on.

Table 4-1 Expansi on Hub Unit Status and DL/UL Status LED States

LED State Indicates

DL STATUS UL STATUS

Green / Green Green / Green

Green / Green Red / Green Green / Red Red / Green

Green / Green Red / Red

Green / Red Red / Red

• Expansion Hub is connected to power

• Expansion Hub is not reporting a fault or lockout; but the system test may need to be performed or a warning c ondition could ex ist

• Optical po wer i n i s above minimum (Main Hub is connected) although the cable length may be longer than recommended maximum

• Optical power out (uplink laser) is normal

• Expansion Hub is reporting a f a ult or commanded lockout, but optical power in and out are normal

• Fault condition detected, optical power in is below minimum. (Main Hub is not connected, is not powered, or Main Hub’s DL laser has failed.)

• Expansion Hub is reporting a fault condition

• Optical power in is normal, optical power out is below minimum (Expansion Hub uplink laser has failed; unable to communicate with Main Hub)

• No downlink or uplink: replace Expansion Hub

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Port LEDs

The Expansion Hub has one pair of port LEDs for each of the eight RJ-45 ports. The port LEDs can be in one of four states, as shown in the following table. These LEDs can be:

off steady green steady red

Table 4-2 Expansion Hub Port LED States

LED State Indicates

LINK RAU

Off Off

Green Green

Red Off

Green Red

• RAU is not connected

• RAU is connected

• No faults from RAU

• Loss of communications to RAU

• RAU is connected

• Fault/lockout condition reported by RAU

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4.2 Expansion Hub Rear Panel

Figure 4-4 Expansion Hub Rear Panel

1 2 3

1. Power on/off switch

2. AC power cord connector

3. Three air exhaust vents

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4.3 Faults and Warnings

The faults and warnings that the Expansion Hub is responsible for monitoring and Reporting are listed in Section 10.

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PRELIMINARY Expansion H ub Specifications

4.4 Expansion Hub Specifications

Table 4-3 Expansion H ub Specifications

Specification Description

Enclosure Dimensions (H

Weight < 5 kg (< 11 lb) Operating Temperature 0° to +45°C (+32° to +113°F) Non-operating Temperature –20° to +85°C (–4° to +185°F) Operating Humidity, non-condensing 5% to 95% Cat-5/6 Connectors 8 shielded RJ-45, female (Cat-5/6) Fiber Connectors 1 Pair, SC/APC LED Alarm and Status Indicators Unit Status (1 pair):

AC Power (Volts) (47–63 Hz) Rating: 115/230V, 5/2.5A, 50–60 Hz

Power Consumption (W) 260 (includes 8 RAUs) MTBF 78,998 hours

× W × D) 89 mm × 438 mm × 305 mm

(3.5 in. × 17.25 in. × 12 in.)

•Power

• E-Hub Status Fiber Link Status (1 pair):

•DL Status

•UL Status RAU/Link Status (1 pair pe r RJ-45 port):

•Link

•RAU

Operating Range: 90– 132V/170–250V auto-r a nging,

2.2–1.5A/1.2–0.8A, 47–63 Hz

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Unison Expansion Hub PRELIMINARY

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PRELIMINARY

SECTION 5

Unison Remote Access Unit

The Remote Access Unit (RAU) is an active transceiver that connects to an Expansion Hub using industry-standard Cat-5/6 ScTP cable. The cable also delivers electrical power to the RAU.

An RAU passes RF signals between an Expansion Hub and an attached passive antenna where the signals are transmitted to wireless devices.

Figure 5-1 Remote Access Unit in a Unison System

Downlin k P at h : The RAU receives downlink IF signals from an Expansion Hub via Cat-5/6 cable. It converts the signals to

RF and sends them to a passive RF antenna via coaxial cable. Also, the RAU receives configuration information from the Main Hub via the Cat-5/6 cable.

Unison Main Hub

Uplink Path: The RAU receives uplink RF signals from a passive RF antenna via coaxial cable. It converts the signals to IF

and sends them to an Expansion Hub via Cat-5/6 cable. Also, the RAU sends its status information to the Expansion Hub via the Cat-5/6 cable.

Unison Expansion Hub

Downlink to RAU

RAU

Uplink from RAU

Downlink to antenna

Uplink from antenna

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Unison Remote Access Unit PR ELIMINARY

Figure 5-2 Remote Access Unit Block Diagram

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PRELIMINARY Remote Access Unit Connectors

5.1 Remote Access Unit Connectors

5.1.1 SMA Connector

The RAU has one female SMA connector. The connector is a duplexed RF input/output port that connects to a standard passive antenna using coaxial cable.

5.1.2 RJ-45 Port

The RAU has one RJ-45 port that connects it to an Expansion Hub using Cat-5/6 ScTP cable. Use shielded RJ-45 connectors on the Cat-5/6 cable.

5.2 LED Indicators

Upon power up, the RAU goes through a two-second test to check the LED lamps. During this time, the LEDs blink through the states shown in Table 5-1, letting you visually verify that the LED lamps and the firmware are functioning properly.

LINK ALARM

NOTE: Refer to Section 10 for troubleshooting using the LEDs.

Status LEDs

The RAU status LEDs can be in one of four states, as shown in the following table. These LEDs can be:

Table 5-1 Remote Access Unit LED States

LED State Indicates

Off Off

Green Green

Green Red

Red Red

• RAU is not receiving DC power

• RAU is powered and is not indicating a fault condition. Communication with Expansion Hub is normal; but the system test may need to be performed or a warning condition could exist (use AdminManager to determine)

• RAU is indicating a fault or lockout conditi on, b ut commu nication wit h the Exp ansio n Hub is normal

• RAU is reporting a fault or lockout condition, and it is not able to communicate with the Expansion Hub

off steady green steady red

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Unison Remote Access Unit PR ELIMINARY

5.3 Faults and Warnings

The Main Hub periodically polls attached Expansion Hubs and their Remote Access Units for status. Both faults and warning conditions are reported to a connected PC/laptop that is running the AdminManager software, or to the optional remote OpsConsole. Only faults are indicated by LEDs.

The faults and warnings that the RAU is responsible for monitoring and reporting are listed in Section 10.

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PRELIMINARY Remote Access Unit Specifications

5.4 Remote Access Unit Specifications

Table 5-2 Remote Access Unit Specifications

Specification Description

Dimensions (H

Weight < 1 kg (< 2 lb) Operating Temperature –25° to +45° C (–13° to +113°F) Non-operating Temperature –25° to +85°C (–13° to +185°F) Operating Humidity, non-condensing 5% to 95% RF Connectors 1 RJ-45, female (Cat-5/6)

LED Alarm and Status Indicators Unit Status (1 pair): • Link • Alarm Maximum Heat Dissipation (W) 11 MTBF 282,207 hours

× W × D) 44 mm × 305 mm × 158 mm

(1.7 in. × 12 in. × 6.2 in.)

1 SMA, male (coaxial)

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Unison Remote Access Unit PR ELIMINARY

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PRELIMINARY

SECTION 6

Insta lling Unison Components

6.1 Installation Requirements

6.1.1 Component Location Requirements

Unison components are intended to be installed in indoor locations only.

6.1.2 Cable and Connector Requirements

The Unison equipment operates over standard Category 5 or 6 (Cat-5/6) screened twisted pair (ScTP) and industry-standard single-mode fiber (SMF) or multimode fiber (MMF) cable.

These cables are widely used industry standards for Local Area Networks (LANs). The regulations and guidelines for Unison cable installation are identical to those specified by the TIA/EIA 568-A standard and the TIA/EIA/IS-729 supplement for LANs (see Appendix B).

LGC Wireless recommends plenum-rated Cat-5/6 ScTP and fiber cable and connectors for conformity to building codes and standards. ScTP is required in order

to meet FCC and CE Mark emissions test s.

6.1.3 Neutral Host System Requirements

As in any Unison system, a neutral host system requires one pair of fiber strands between each Main Hub and each Expansion Hub, and one Cat-5/6 cable between each Expansion Hub and each RAU. To help achieve the cost savings possible in a neutral host system, it is advantageous to install additional cables for future growth.

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Installing U nis on Components PRELIMINARY

6.1.4 D istance Requirements

The following table shows the distances between Unison components and related equipment.

Table 6-1 Unison Distance Requirements

Equipment Combination Cable Type Distance Additional Information

Repeater to Main Hub Coaxial; N male

connectors

Base Station to Main Hub Coaxial; N male

connectors

Main Hub to Expansion Hub

Multimode Fiber: Single-Mode Fiber: SC/APC male connectors

Expansion Hub to RAU Cat-5/6 ScTP;

shielded RJ-45 male connectors

RAU to passive antenna Coaxial; SMA male

connectors

3–6 m (10–20 ft) ty pical Limited by loss and noise.

Refer to your link budget calculation.

3–6 m (10–20 ft) ty pical Limited by loss and noise.

Refer to your link budget calculation.

1.5 km (4,921 ft) max.

Limited by 3 dB optical loss.

6 km (19,685 ft) max.

10 meters (33 ft) absolute min. 25 meters (82 ft) recommended min. 100 m (328 ft) recommended max.

See “System Gain (Loss) Relative to ScTP Cable Length” on page 8-31.

150 m (492 ft) absolute max. 1–3.5 m (3–12 ft) t ypical Limited by loss and noise.

Refer to your link budget calculation.

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PRELIMINARY Safety Precautions

6.2 Safety Precautions

6.2.1 Installation Guidelines

Use the following guidelines when installing LGC Wireless equipment:

1. Provide sufficient airflow and cooling to the equipment to prevent heat build-up

from exceeding the maximum ambient air temperature specification. Do not compromise the amount of airflow required for safe operation of the equipment.

2. Be careful when servicing these products. If you are removing the system, turn it

off and remove the p ower cord fir st. There are no user -s erviceable parts insid e the components.

3. The internal power supply has internal fuses that are not user replaceable. Con-

sider the worst-case power consumption shown on the product labels when provisioning the equipment’s AC power source and distribution.

6.2.2 General Safety Precautions

The following precautions apply to LGC Wireless products:

• The units have no user-serviceable parts. Faulty or failed units are fully replaceable through LGC Wireless. Please contact us at:

1-800-530-9960 (U.S. only) +1-408-952-2400 (International) +44(0) 1223 597812 (Europe)

• Although modeled after an Ethernet/LAN architecture and connectivity, the units are not intended to connect to Ethernet data hubs, routers, cards, or other similar data equipment.

• When you connect the fiber optic cable, take the same precaution as if installing Ethernet network equipment. All optical fiber SC/APC connectors should be cleaned according to the cable manufacturer’s instructions.

• When you connect a radiating an tenna to an RA U, DO NOT over-ti ghten the SMA connector. Firmly hand-tightening the connector is adequate.

WARNING: To reduce the risk of fire or electric shock, do not expose this equipment to rain or moisture. The components are intended for indoor use only. Do not install the RAU outdoors. Do not connect an RAU to an antenna that is located outside where it could

be subject to lightning strikes, power crosses, or wind .

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Installing U nis on Components PRELIMINARY

6.2.3 Fiber Port Safety Precautions

The following are suggested safety precautions for working with fiber ports. For information about system compliance with safety standards, see Appendix B.

WARNING: Observe the following warning about viewing fiber ends in ports. Do not stare with unprotected eyes at the connector ends of the fibers or the ports of the hubs. Invisible infrared radia-

tion is present at the fro nt panel of t he Main Hub and the Expansion Hub. Do not remove the fiber port dust caps unless the port is going to be used. Do not stare directly into a fiber port.

• Test fiber cables: When you test fiber optic cables, connect the optical power

source last and disconnect it first. Use Class 1 test equipment.

• Fiber ends: Cover any unconnected fiber ends with an approved cap. Do not use

tape.

• Broken fiber cables: Do not stare with unprotected eyes at any broken ends of the

fibers. Laser light emitted from fiber sources can cause eye injury. Avoid contact with broken fibers; they are sharp and can pierce the sk in. Re por t any b rok en fiber cables and have them replaced.

• Cleaning: Be sure the connectors are clean and free of dust or oils. Use only

approved methods for cleaning optical fiber connectors.

• Modifications: Do not make any unauthorized modifications to this fiber optic

system or associated equipment.

• Live work: Live work is permitted because LGC Wireless equipment is a Class 1

hazard.

• Signs: No warning signs are required.

• Class 1 laser product: The system meets the criteria for a Class 1 laser product

per IEC 60825-1:1998-01 and IEC 60825-2:2000-05.

CLASS 1

This label appears on the front panel of the Main Hub and the Expansion Hub.

LASER PRODUCT

• CAUTION: Use of controls or adjustments or performance of procedures other

than those specified herein may result in hazardous radiation exposure.

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PRELIMINARY Preparing for System Installation

6.3 Preparing for System Installation

6.3.1 Pre-Installation Inspection

Follow this procedure before installing Unison equipment:

1. Verify the number of packages received against the packing list.

2. Check all packages for external damage; report any external damage to the ship-

ping carrier. If there is damage, a shipping agent should be present before u npacking and inspecting the contents because damage caused during transit is the responsibility of the shipping agen t.

3. Open and check each package against the packing slip. If any items are missing,

contact LGC Wireless customer service.

4. If damage is discovered at the time of installation, contact the shipping agent.

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Installing U nis on Components PRELIMINARY

6.3.2 Installation Checklist

Table 6-2 Installation Checklist



Installation Requirement Consideration

Floor Plans Installation location of equipment clearly marked Power available:

Main Hub (AC) Expansion Hub (AC) To RAU (DC)

Rack space available:

Main Hub Expansion Hub

Clearance for air circulation:

Main and Expans ion Hubs RAU

Suitable oper ating environment:

Main and Expans ion Hubs

RAUs

Donor Antenna-to-Unison Configuration

Donor Antenna Installed, inspected; N-male to N-male coaxial cable to lightning arrestor/surge

Lightning Arrestor or Surge Suppressor

Repeater Installed between lightning arrestor/surge suppressor and Main Hub; N-male to

Attenuator Installed between the circulator and the Main Hub downlink port to prevent

Circulator Installed between the repeater and the Main Hub uplink and downlink ports

Base Station-to -Unison Configuration

Base Station Verify RF power (see tables in Section 8.1 on page 8-3); N-male to N-male

Attenuator Attenuat io n may be required to achieve the desi red RF output at the RAU and

Circulator When using a duplex BTS: Installed between the repeater and the Main Hub

Power cord is 2 m (6.5 ft) long. Rating: 100–240V, 0.5A, 50–60 Hz Rating: 115/230V, 5/2.5A, 50–60 H z 36V

44 mm (1.75 in.) high (1U) 89 mm (3.5 in.) high (2U)

76 mm (3 in.) front and rear, 51 mm (2 in.) sides 76 mm (3 in.) all around

Indoor location only 0° to +45°C (+32° to +113°F) 5% to 95% non-condensing humidity

–25° to +45°C (–13° to +113°F) 5% to 95% non-condensing humidity

suppressor Installed between roof-top antenna and repe ater; N-male to N-male coaxial cab le

N-male coaxial cable

overload. Optionally, it may be installed between the uplink port and the circulator

coaxial cable; installed, inspected

the desired uplink noise floor level

uplink and downlink ports. Not used with a simpl e x BTS

Connecting Multiple Main Hubs Together

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PRELIMINARY Installation Checklist

Table 6-2 Installation Checklist (continued)



Installation Requirement Consideration

Power combiner/splitter N-ma le to N-male coaxial cables; power combiner/splitter to Main Hub and

base station or repeater

Attenuator Attenuation may be required to achieve the desired RF output at the RAU and

the desired uplink noise floor level

Circulator When using a duplex BTS: Installed between the repeater the Main Hub uplink

and downlink ports. Not used with a simple x BTS

Cabling

Coaxial: repeater or base station to Main Hub

Coaxial: RAU to passive antennas Use low-loss cable; SMA male connector; typical 1 m (3.3 ft) using RG142

Fiber: Main Hub to Expansion Hubs SC/APC (angle-polished) male connectors;

Cat-5/6 ScTP: Expansion Hub to RAUs

Daisy-chain cable For contact alarm monitoring: connecting up to 5 LGCell systems to Unison,

Null modem cable Female connectors; Main Hub to a laptop that is running the AdminManager

Straight-through cable Female/male connectors; Main Hub to a modem; remote connection

Configuring System

Laptop running AdminManager software

Distances

Main Hub is with in 3–6m (1 0–20 ft ) of connecting repea ter

Main Hub is with in 3–6m (1 0–20 ft ) of connecting base station

Main Hub is within correct distance of Expansion Hub(s); SMF and MMF optical link budget: 3 dB

Coax approved; N-type male connectors

coaxial cable

MMF: limited by optical loss of 3 dB, up to 1.5 km (4,921 ft); SMF: limited by optical loss of 3 dB, u p to 6 km (19,685 ft)

TIA/EIA 568-A approved; shielded RJ-45 male connectors

• Abs olute Minimum: 10 me ters (33 ft)

• Rec ommended Minimum: 25 meters (82 ft)

• Rec ommended Maximum: 10 0 meters (328 ft)

• Absolute Maximum: 150 meters (492 ft) Tie-off cables to avoid damaging the connectors because of cable strain

connecting up to 5 Unis on systems to MetroReach Focus, or connecting up to 5 Unison systems to a base station

software; local connection

Refer to requirements in Section 7.1.1, “PC/Laptop Requirements,” on page 7-2

If longer distance, determine t he loss of the cable used for this connection and adjust the RF signal into the Main Hub accordingly. This can be done by readjusting the power from the base station, or by changing the attenuation value between the base station/repeater and the Main Hub

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Installing U nis on Components PRELIMINARY

6.3.3 Tools and Materials Required

Table 6-3 Tools and Materials Required for Component Installation



Description

Cable ties Philips screwdriver Mounting screws a nd spring nuts Fiber cleaning supplies Compressed air Screws, anchors, pipe c lamp, etc. (for mounting RAUs) Drill Fusion splicer

6.3.4 Optional Accessories

Table 6-4 Optional Accessories for Component Installation



Description

Wall-mount equipment rack(s) (PN: 4712) Cable management (Cable manager: PN 4759; Tie wrap bar: PN 4757) Splice trays

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PRELIMINARY Unison Component Installation Procedur e s

6.4 Unison Component Installation Procedures

The following procedures assume that the system is new from the factory and that it has not been programmed with a band.

If you are replacing components in a pre-installed system with either new units or units that may already be p rogrammed (i .e., re-us ing units fro m another system), ref er to Section 9.

• Installing RAUs and Passive Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

• Installing RAUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

• Installing Passive Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

• Connecting the Antenna to the RAU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

• Testing and Connecting the ScTP Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12

• Installing RAUs in a Neutral Host System . . . . . . . . . . . . . . . . . . . . . . . . . 6-12

• Installing Expansion Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13

• Installing an Expansion Hub in a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13

• Installing an Expansion Hub in a Wall-Mounted Rack . . . . . . . . . . . . . . . 6-14

• Installing an Optional Cable Manager in the Rack . . . . . . . . . . . . . . . . . . 6-14

• Powering On the Expansion Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

• Testing and Connecting the Fiber Cables . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

• Connecting the ScTP Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17

• Checking the RJ-45 Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17

• Installing Expansion Hubs in a Neutral Host System . . . . . . . . . . . . . . . . 6-18

• Installing a Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19

• Installing a Main Hub in a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19

• Installing an Optional Cable Manager in the Rack . . . . . . . . . . . . . . . . . . 6-19

• Starting and Configuring the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21

• Connecting a Laptop and Starting the AdminManager Software . . . . . . . 6-21

• Powering On the Main Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21

• Connecting the Fiber Cables to the Main Hub . . . . . . . . . . . . . . . . . . . . . . 6-22

• Checking the Main Hub’s Fiber Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . 6-23

• Configuring the Unison System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25

• Installing Main Hubs in a Neutral Host System . . . . . . . . . . . . . . . . . . . . . 6-20

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Installing U nis on Components PRELIMINARY

The following procedures assume that the system is installed and programmed.

• Interfacing a Main Hub to a Base Station or Roof-top Antenna . . . . . . . . . . . 6-26

• Connecting a Main Hub to a Roof-top Antenna . . . . . . . . . . . . . . . . . . . . . 6-26

• Connecting a Main Hub to an In-Building Base Station . . . . . . . . . . . . . . 6-27

• Connecting a Main Hub to Multiple Base Stations . . . . . . . . . . . . . . . . . . 6-29

• Connecting Multiple Main Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-30

• Connecting Multiple Main Hubs to a Simplex Repeater or Base Station . 6-32

• Connecting Multiple Main Hubs to a Duplex Repeater or Base Station . . 6-33

• Connecting Contact Alarms to a Unison System . . . . . . . . . . . . . . . . . . . . . . . 6-34

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PRELIMINARY Installing RAUs and Passive Antennas

6.4.1 Installing RAUs and Passive Antennas

CAUTION: Install RAUs in indoor locations only.

Installing RAUs

Mount all RAUs in the locations marked on the floor plans.

Considerations:

• Install iDEN and 800 MHz cellular RAUs so that their antennas will be at

least 6 to 8 meters (20 to 26 feet) apart.

• Keep at least

76 mm (3 in.) clearance around the RAU to ensure proper venting

• Always mount the RAU with the flat face against the mounting surface

Installing Passive Antennas

Refer to the manufacturer’s installation instructions to install passive antennas. Passive antennas are usually installed below the ceiling. If they are installed above

the ceiling, the additional loss due to the ceiling material must be considered when estimating the antenna coverage area.

Considerations:

• Use coaxial cable with the least amount of loss possible.

• Keep iDEN and 800 MHz cellular antennas at least 6 to 8 meters (20 to 26 ft)

apart.

Connecting the Antenna to the RAU

Connect a passive antenna to the SMA male connector on the RAU using coaxial cable.

CAUTION:When connecting to the SMA female connector on the RAU and passive antenna, DO NOT over-tighten the connector. Firmly hand-tightening the connector is adequate.

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Installing U nis on Components PRELIMINARY

Testing and Connecting the ScTP Cable

Consideration:

• Before connecting the ScTP cable to the RAU, confirm that it meets TIA/EIA

568-A standard and the TIA/EIA/IS-729 supplement.

To test and connect the ScTP cable:

1. Perform cable testi ng.

Test results are required for the final As-Built Document. Cable length:

– Absolute Minimum: 10 m (33 ft) – Recommended Minimum: 25 m (82 ft) – Recommended Maximum: 100 m (328 ft) – Absolute Maximum: 150 m (492 ft)

2. Label the cable and make a note of the designation.

This information is needed when connecting the cable to the Expansion Hub.

3. Connect the cable to the RJ-45 female port on the RAU.

Power is supplied by the Expansion Hub. Because the Expansion Hub is not yet connected, no LEDs will illuminate.

6.4.1.1 Installing RAUs in a Neutral Host System

When installing both iDEN and cellular systems in parallel, either as dual-band or neutral host systems, special provision must be taken to assure that the individual RAUs do not interfere with each other.

The 800 MHz cellular and iDEN RAU’s antennas must be separated by 6 to 8 meters (20 to 26 feet) to assure that the iDEN downlink signals do not interfere with the cellular uplink signals.

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PRELIMINARY Installing Expansion Hubs

6.4.2 Installing Expansion Hubs

The Expansion Hub (2U high) can mount in a standard 19 in. (483 mm) equipment rack or in a wall-mountable equipment rack that is available from LGC Wireless. Allow clearance of 76 mm (3 in.) front and rear and 51 mm (2 in.) sides for air circulation.

Install the Expansion Hub in a horizontal position only.

CAUTION: Install Expansion Hubs in indoor locations only.

Installing an Expansion Hub in a Rack

Consideration:

• The Expansion Hub is shipped with #10-32 mounting screws. Another common

rack thread is #12-24. Confirm that the mounting screws match the rack’s threads.

• If you want to move the mounting brackets to a mid- mountin g positi on, see Install -

ing an Expansion Hub in a Wall-Mounted Rack on page 6-14.

To install the hub in a rack:

1. Insert spring nuts into the rack where needed or use existing threaded holes.

2. Place the Expansion Hub into the rack from the front.

3. Align the flange holes with the spring nuts installed in Step 1.

4. Insert the mounting screws in the appropriate positions in the rack.

5. Tighten the mounting screws.

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Installing an Expansion Hub in a Wall-Mounted Rack

Considerations:

• The rack and the Expansion Hub are both 305 mm (12 in.) deep. The rack mount-

ing brackets on the Expans ion H ub must be m oved fr om th e front posi tion to allow for the 76 mm (3 in.) rear clearance required.

• The maximum weight the rack can hold is 22.5 kg (50 lbs).

To install the hub in a wall-mounted rack:

1. Attach the equipment rack to the wall using the screws that are provided.

The rack must be positioned so that the Expansion Hub will be in a horizontal position when it is installed.

2. Remove both of the rack mounting brackets from the hub.

3. Reattach each of the rack mounting brackets to the opposite side of the hub from

which it came. Refer to the following figure for bracket placement.

Right Rack Mounting Bracket as installed from the factory.

3.5''

3''

4. Attach the Expansion Hub to the rack.

Left Rack Mounting Bracket installed on the right side of the hub.

3.5''

3''

Installing an Optional Cable Manager in the Rack

• Using the screws provided, fasten the cable manager to the rack, immediately

above or below the Expansion Hub.

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PRELIMINARY Installing Expansion Hubs

Powering On the Expansion Hub

1. Connect the AC power cord to the Expansion Hub.

2. Plug the power cord into an AC power outlet.

3. Turn on the power to the Expansion Hub and check that all the LED lamps are

functioning properly. Upon power-up, the LEDs will blink for five seconds for a visual check that they

are functioning. After the five-second test:

POWER and UL STATUS LEDs should be green.

•The

E-HUB STATUS and DL STATUS LEDs should be red because the Main Hub

is not yet connected.

• All port LEDs should be off because no RAUs are connected yet.

NOTE: Leave the dust caps on the fiber ports until you are ready to connect the fiber optic cables.

Testing and Connecting the Fiber Cables

Considerations:

• Before connecting the fiber cables, confirm that their optical loss does not exceed

3 dB optical budget.

• If fiber distribution panels are used, confirm that the total optical loss of fiber

cable, from the Main Hub through distribution panels and patch cords to the Expansion Hub, does not exceed the optical budget.

• Make sure the fiber cable’s connectors are SC/APC (angle-polished).Using any

other connector type will result in degraded system performance and may damage the equipment.

NOTE: Observe all Fiber Port Safety Precautions listed in Section 6.2.3 on page 6-4.

To test the fiber cables:

1. Perform cable testing and record the results.

Test results are required for the final As-Built Document.

2. Make a note of which cable you will use for uplink and downlink.

This information is needed when connecting the cables to the Main Hub.

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To clean the fiber ports:

Use compressed air to blow dust out of each fiber port before you insert the SC/APC connector. Note that compressed air should not leave any residue as this will contaminate the fiber port.

To clean the fiber connectors:

Be sure that the fiber cable’s SC/APC connectors are clean and free of dust or oils. If the fiber connector front face is not fr ee of d ust or oils, fo llow the m a nuf acturer’s recommendations for cleaning it.

To connect the fiber cables:

The fiber cable is labeled with either

1 or 2, or is color-coded. In addition to these

labels, you should add a code that identifies which port on the Main Hub is being used and which Expansion Hub the cables are intended for. This differentiates the connectors for proper connection between the Main Hub and Expansion Hubs.

If the fiber jumper is labeled with

1. Connect 1 to UPLINK on Expansion Hub.

2. Connect 2 to DOWNLINK on Expansion Hub.

3. Label both ends of each cable with which Main Hub port is used.

1 or 2:

For example: First pair to Main Hub port 1: 11 (uplink), 12 (downlink); Second pair to Main Hub port 2: 21 (uplink), 22 (downlink); Third pair to Main Hub port 3: 31 (uplink), 32 (downlink); and so on.

4. Record which number you connected to UPLINK and DOWNLINK.

This information is needed when connecting th e other end of the f iber cable to the Main Hub’s fiber ports.

If the fiber jumper is color-coded (for example, “blue” or “red”):

1. Connect “blue” to UPLINK on Exp ansion Hub.

2. Connect “red” to DOWNLINK on Expansion Hub.

3. Label both ends of each cable with which Main Hub port is used.

4. Record which color and port number you connected to UPLINK and DOWNLINK.

This information is needed when connecting th e other end of the f iber cable to the Main Hub’s fiber ports.

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PRELIMINARY Installing Expansion Hubs

Connecting the ScTP Cables

Considerations:

• Confirm that the cables have been tested and the results recorded.

To connect the ScTP cables:

1. Connect the ScTP cables to any available RJ-45 port on the Expansion Hub.

2. Record which RAU you are connecting to which port.

This information is required for the As-Built Document.

3. Tie-off cables or use the optional cable manager to avoid damaging the connec-

tors because of cable strain.

Checking the RJ-45 Port LEDs

•The LINK LED should be green indicating that power is being supplied to the RAU.

•The

RAU LED should be red indicating that communication is established but a

band is not programmed.

•If the

• If the LEDs are off, the RAU is not drawing power.

LINK LED is red and the RAU LED is off, then the RAUs are not commu-

nicating with the Expansion Hub.

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Installing U nis on Components PRELIMINARY

6.4.2.1 Troubleshooting Expansion Hub LEDs During Installation

• All Expansion Hub LINK and E-HUB/RAU LEDs with RAUs connected should indi-

cate Green/Red, which indicates that the RAU is powered on and communication has been established.

• The Expansion Hub

Table 6-5 Troubleshooting Expansion Hub LEDs During Inst allation

UL STATUS LED should be Green.

During Installation LED State Action Impact

Expansion Hub power is On and no RAUs are connected

POWER

LINK E-HUB/RAU

Off Check AC power; check that the

Expansion Hub power-on switch is on; replace the Expansi on Hub.

LEDs

Replace the Expansion Hub. Microcontroller not resetting properly;

on but

Expansion Hub is not powering on.

flash memory corrupted. didn’t blink through all states

UL STATUS

Red Replace the Expansion Hub. The Expansion Hub laser is not opera-

tional; no uplink between the Expansion

Hub and Main Hub.

Connect RAU

LINK E-HUB/RAU LINK E-HUB/RAU LINK E-HUB/RAU

Red Port unusable; replace the ExpanOff

sion Hub when possible.

Current sensor fault; do not use the port.

Off Check the Cat-5/6 cable. Power is not getting to the RAU. Off Red T est the Cat-5/6 cable. If the cable Off

tests OK, try another port. If the second port’s LEDs are Red/Off, replace the RAU. If the second RAU doesn’t work; replace the Expansion Hub.

Power levels to RAU are not correct;

communications are not established.

If the second port works, flag the first

port as unusable; replace EH when possi-

ble.

6.4.2.2 Installing Expansion Hubs in a Neutral Host System

Installing Expansion Hubs in a neutral host system is the same as described in Section 6.4.2 on page 6-13.

If rack-mounting the Expansion Hubs, we recommend mounting all neutral host system hubs in the same rack(s) or location, grouped by frequency or carrier. For example, group the Expansion Hubs for the iDEN carrier(s) together, then the 800 MHz cellular carrier(s), and so on.

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PRELIMINARY Installing a Main Hub

6.4.3 Installing a Main Hub

CAUTION: Install Main Hubs in indoor locations only.

Installing a Main Hub in a Rack

The Main Hub (1U high) m ounts in a standard 19 in. (483 mm) eq uipment rack. Allow clearance of 76 mm (3 in.) front and rear, and 51 mm (2 in.) on both sides for air circulation.

Consideration:

• The Main Hub is shipped with #10-32 mounting screws. Another common rack thread is #12-24. Confirm that the mounting screws match the rack’s threads.

To install the hub in a rack:

1. Insert spring nuts into rack where needed or use existing threaded holes.

2. Place the Main Hub into the rack from the front.

3. Align the flange holes with the spring nuts installed in Step 1.

4. Insert the mounting screws in the appropriate positions in the rack.

5. Tighten the mounting screws.

NOTE: Do not turn on the Main Hub until you’ve started the AdminMan-

ager software (see Section 6.5 on page 6-21).

Rack-mounting Option

You can flip the rack mounting brackets , as shown in the following figure, so the hub can be mounted 76 mm (3 in.) forward in the rack.

Installing an Optional Cable Manager in the Rack

• Using the screws provided, fasten the cable manager to the rack, immediately above or below the Main Hub.

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6.4.4 Installing Main Hubs in a Neutral Host System

Installing Main Hubs in a neutral host system is the same as described in Section 6.4.3 on page 6-19.

We recommend mounting all neutral host system Main Hubs in the same rack(s), grouped by frequency or carrier. For example, group the Main Hubs for the iDEN carrier(s) together, then the 800 MHz cellular carrier(s), and so on.

Connecting to base stations and repeaters is the same as described in Section 6.6 on page 6-26 and Section 6.6.1 on page 6-30.

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PRELIMINARY Starti ng a nd Co nfiguring the System

6.5 Starting and Configuring the System

Connecting a Laptop and Starting the AdminManager Software

Considerations:

• The AdminManager software is installed on a laptop computer that meets the requirements that are listed on page 7-2.

• Null modem cable with female connectors is needed.

To connect and start the AdminManager software:

1. Connect the null modem cable to the laptop and then to the RS-232 port on the

Main Hub’s front panel.

2. Turn on the laptop and start the AdminManager software.

The main Installation Wizard window is displayed when the software is ready.

Powering On the Main Hub

After mounting the Main Hub in the rack, connect it to the AC power. You may use multiple outlet surge protectors for multiple Main Hubs.

1. Connect the AC power cord to the Main Hub.

2. Plug the power cord into an AC power outlet.

3. Turn on the power.

Upon power-up, the LEDs will blink for five seconds for a visual check that they are functioning. After the five-second test:

POWER LED should be green.

•The

•The MAIN HUB STATUS LED should be red because a band has not been pro- grammed.

• All fiber port LEDs should be off , ind icating that n o fib er cab les are conn ected.

NOTE: Leave the dust caps on the fiber ports until you are ready to connect the fiber optic cables.

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Connecting the Fiber Cables to the Main Hub

Considerations:

• Before connecting the fiber cables, confirm that their optical loss does not exceed 3 dB optical budget.

• If fiber distribution panels are used, confirm that the total optical loss of fiber cable, from the Main Hub through distribution panels and patch cords to the Expansion Hub, does not exceed the optical budget.

• Make sure the fiber cable’s connectors are SC/APC (angle-polished). Using any other connector type will result in degraded system performance and may damage the equipment.

NOTE: Observe all Fiber Port Safety Precautions listed in Section 6.2.3 on page 6-4.

To clean the fiber ports:

Use compressed air to blow dust out of each fiber port before you insert the SC/APC connector. Note that compressed air should not leave any residue as this will contaminate the fiber port.

To clean the fiber connectors:

To connect the fiber cables:

The fiber cable is labeled with either

1 or 2, or is color-coded. For proper connection

between the Main Hub ports and the Expansion Hub ports, refer to the numbering or color-coded connections you recorded when installing the Expansion Hub(s).

If the fiber jumper is labeled with

1. Connect 1s to UPLINK ports on the Main Hub.

1 or 2:

Refer to the connections you recorded, or the cable label, when the Expansion Hub(s) were installed to know which Main Hub

2. Connect 2s to DOWNLINK ports on the Main Hub.

UPLINK port to use.

Refer to the connections you recorded, or the cable label, when the Expansion Hub(s) were installed to know which Main Hub

DOWNLINK port to use.

If the fiber jumper is color-coded (for example, “blue” or “red”):

1. Connect “blue”s to UPLINK ports on the Main Hub.

Refer to the connections you recorded, or the cable label, when the Expansion Hub(s) were installed to know which Main Hub

2. Connect “red”s to DOWNLINK ports on the Main Hub.

UPLINK port to use.

Refer to the connections you recorded, or the cable label, when the Expansion Hub(s) were installed to know which Main Hub

DOWNLINK port to use.

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PRELIMINARY Starti ng a nd Co nfiguring the System

Checking the Main Hub’s Fiber Port LEDs

•The LI NK LED should be green if the fiber is connected to th e Exp ans i on Hu b, an d communication and optical power are okay.

•The

E-HUB/RAU LED should be red because a band has not been programmed.

•If the

NOTE: Refer to Section 10 for troubleshooting.

LINK LED is red and the E-HUB/RAU LED is off, there is no communica-

tion with the Expansion Hub. Check the fiber cables (downlink first); a cable may be broken or the optical link budget may be exceeded.

PORT LEDs are blank (off), the Main Hub does not recognize the pres-

ence of an Expansion Hub . Check the fiber cables (uplink first); a cable may b e broken or the optical link budget may be exceeded. Check to ensure that the cables are connected at the Expansion Hub, and that the Expansion Hub’s power is on.

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6.5.1 Troubleshooting Main Hub LEDs During Installation

The following Main Hub LED indications assume that the Expansion H ub LEDs have already been checked.

• All Main Hub fiber port LEDs that have Expansion Hubs connected to them should be Green/Red, indicating that the Expansion Hub is powered on and communication has been established.

Table 6-6 Troubleshooting Main Hub LEDs During Installation Power On

During Installation Power On LED State Action Impact

Main Hub power is On with no Expansion Hubs connected.

Connect Expansion Hub Fiber Pair

POWER

LINK E-HUB/RAU

LINK E-HUB/RAU LINK E-HUB/RAU

LINK E-HUB/RAU

Off Check AC power; check that the

Main Hub power-on switch is on; replace Main Hub

LEDs on

Replace the Main Hub. Microcontroller not resetting properly; but didn’t blink through all states

Red The port is unusable; replace the Off

Main Hub when possible. Off Swap the uplink and downlink

Off

cables. If the port LEDs do not illu-

minate, check the fiber uplink for

excessive optical loss.

Connect the fiber pa ir to another port.

If the second port’s LEDs do not illu-

minate Green/Red, replace the Main

Hub. Red If the Expansion Hub DL STATUS Off

LED is red, check the downlink fiber

cable for excessive optical loss.

Connect the fiber pa ir to another port.

If the second port’s LEDs do not illu-

minate Green/Red, replace the Main

Hub.

Main Hub is not powering on.

flash memory cor r up te d.

Fiber sensor fault, do not use the port.

The Main Hub does not sense th e presence of the Expansion Hu b.

If the second port works, flag the first port as unusable; replace the Main Hub when possible.

The Expansion Hub does not sense the presence of the Main Hub.

If the second port works, flag the first port as unusable; replace the Main Hub when possible.

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PRELIMINARY Troubleshooting Main Hub LEDs During Installation

Configuring the Unison System

The system will not work until a band has been set and a system test is performed.

• The AdminManager software must be running on a PC/laptop that is connected to the Main Hub’s front panel RS-232 connector.

1. Select the Installation Wizard (Local) mode radio button and click RUN.

The Step 1, Verify Hardware window is displayed. Refer to Section 7.2 on page 7-12 for a description of the Installation wizard.

2. Confirm that all system devices are displayed in the System Status box and click

NEXT.

The Step 2, Set Operation Band window is displayed.

3. Select the desired frequency band and click APPLY.

4. Click NEXT if the message displayed indicates a successful band setting.

The Step 3, Configure System Parameters window is displayed.

5. Enter the desired parameters and click APPLY.

6. Click NEXT if the message displayed indicates a successful parameter setting.

The Step 4, Final System Test window is displayed.

7. Click APPLY to initiate the final system test.

During testing the system is off-line and a center band tone is being transmitted.

8. Click NEXT if the message displayed indicates a successful test.

The Finish window is displayed.

9. Click FINISH.

The AdminManager session is ended and the window is closed.

NOTE: Refer to Section 10 for troubleshooting.

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6.6 Interfacing a Main Hub to a Base Station or Roof-top Antenna

WARNING: Exceeding the maximum input power could cause failure

of the Main Hub (refer to Section 8.1 on page 8-3 for maximum power specifications). If the maximum composite power is too high, attenuation is required.

Connecting a Main Hub to a Roof-top Antenna

It is recommended that you use a lightning arrestor or surge protector in a roof-top antenna configuration. Insert the lightning arrestor or surge protector between the roof-top antenna and the repeater that is connected to the Main Hub.

1. Connect an N-male to N-male coaxial cable to the roof-top antenna.

2. Connect the other end of the N-male to N-male coaxial cable to the grounded

surge suppressor.

3. Connect an N-male to N-male coaxial cable to the grounded surge suppressor.

4. Connect the other end of the N-male to N-male coaxial cable to the repeater.

5. Connect an N-male to N-male coaxial cable to the repeater.

6. Connect the other end of the N-male to N-male coaxial cable to the circulator

1 connector.

7. Connect an N-male to N-male coaxial cable to the circulator 2 connector.

8. Connect the other end of the N-male to N-male coaxial cable to the DOWNLINK

connector on the Main Hub. Attenuation may be required to achieve the desired RF output at the RAU.

9. Connect an N-male to N-male coaxial cable to the circulator 3 connector.

10. Co nnect the other end of the N-male to N-male coaxial cable to the UPLINK con-

nector on the Main Hub.

Roof-top Antenna

N-male to N-male Coaxial Cable

Surge Suppressor

Grounded

N-male to N-male

Repeater

Coaxial Cable

Circulator

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Attenuator (optional)

N-male to N-male Coaxial Cables

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PRELIMINARY Interfacing a Main Hub to a Base Station or Roof-top Antenna

Connecting a Main Hub to an In-Building Base Station

Connecting a Simplex Base Station to a Main Hub:

1. Connect an N-male to N-male coaxial cable to the transmit simplex connector on

the base station.

2. Connect the other end of the N-male to N-male coaxial cable to the DOWNLINK

connector on the Main Hub.

3. Connect an N-male to N-male coaxial cable to the receive simplex connector on

the base station.

4. Connect the other end of the N-male to N-male coaxial cable to the UPLINK con-

nector on the Main Hub.

Figure 6-1 Simplex Base Station to a Main Hub

N-male to N-male Coaxial Cable

Insert attenuator, if needed

Simplex

Base Station

T1/E1 to Mobile Switching Center

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Installing U nis on Components PRELIMINARY

Connecting a Duplex Base Station to a Main Hub:

When connecting to a duplex base station, use a circulator between it and the Main Hub.

You can insert attenuators between the circulator and Main Hub as needed; refer to Section 8.6.1 on page 8-48 for more information.

1. Connect an N-male to N-male coaxial cable to the duplex connector on the base

station.

2. Connect the other N-male connector to a circulator.

3. Connect an N-male to N-male coaxial cable to the DOWNLINK connector on the

Main Hub.

4. Connect the other end of the N-male coaxial cable to the transmit connector on the

circulator.

5. Connect an N-male to N-male coaxial cable to the UPLINK connector on the Main

Hub.

6. Connect the other end of the N-male coaxial cable to the receive connector on the

circulator.

Figure 6-2 Duplex Base Station to a Main Hub

Insert attenuator, if needed

N-male to N-male Coaxial Cable

Circulator

N-male to N-male Coaxial Cable

Duplex

Base Station

T1/E1 to Mobile Switching Center

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PRELIMINARY Interfacing a Main Hub to a Base Station or Roof-top Antenna

Connecting a Main Hub to Multiple Base Stat ions

You can use power combiner/splitters to connect a Main Hub to multiple base stations, as shown in the following figure.

Figure 6-3 Connecting a Main Hub to Multiple Base Stations

Insert attenuators, if needed

Coaxial Jumper Cables

between Combiner/Splitter and

Main Hub’s Uplink Port

BTS 1

UL DL

2 x 1 Power

Combiner/Splitter

N-male to N-male

BTS 2

UL DL

N-male to N-male Coaxial Jumper Cable to Repeater or Base Station

2 x 1 Power

Combiner/Splitter

N-male to N-male Coaxial Jumper Cables between Combiner/Splitter and Main Hub’s Downlink Port

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Installing U nis on Components PRELIMINARY

6.6.1 Conne c t in g M u lt ip le M a in H u b s

You can use power combiner/splitters as splitters to connect multiple Main Hubs in order to increase the total number of RAUs in a system. You can also use power combiner/splitters to combine base station channels in order to increase the number of RF carriers the system transports.

The following figure shows connecting two Main Hubs to a simplex repeater or base station. Connecting two Main Hubs increases the total number of supportable RAUs from 32 to 64. T wo Mai n Hubs suppo rt up to 8 Expansio n Hubs whic h in turn support up to 64 RAUs.

Figure 6-4 Connecting Two Main Hubs to a Simplex Re peater or Base Station

Combiner/Splitter

N-male to N-male

Coaxial Jumper Cables

between Combiner/Splitter and

Main Hub’s Downlink Port

N-male to N-male Coaxial Jumper Cable to Repeater or Base Station

2 x 1 Power

N-male to N-male Coaxial Jumper Cable to Repeater or Base Station

2 x 1 Power

Combiner/Splitter

N-male to N-male Coaxial Jumper Cables between Combiner/Splitter and Main Hub’s Uplink Port

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PRELIMINARY Connecting Multiple Main Hubs

To connect two Main Hubs to a duplex repeater or base station, you need to use one circulator and one more coaxial jumper cable, as shown in the following figure.

Figure 6-5 Connecting Two Main Hubs t o a Duplex Repeater or Base Station

N-male to N-male Coaxial Jumper Cable

Insert attenuator, if needed

to Repeater or Base Station

Circulator

N-male to N-male Coaxial Jumper Cable

Combiner/Splitter

N-male to N-male

Coaxial Jumper Cables

between Combiner/Splitter and

Main Hub’s Downlink Port

2 x 1 Power

N-male to N-male Coaxial Jumper Cable

2 x 1 Power

Combiner/Splitter

N-male to N-male Coaxial Jumper Cables between Combiner/Splitter and Main Hub’s Uplink Port

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Installing U nis on Components PRELIMINARY

Connecting Multiple Main Hubs to a Simplex Repeater or Base Station

You will need the following:

• 2 hybrid power combiner/splitters; one for uplink and one for downlink (2x1 for

two Main Hubs, 3x1 for three, 4x1 for four, etc.)

• 1 N-male to N-male coaxial jumper cable between each power combiner/splitter

and the base station

• 2 N-male to N-male coaxial jumper cables between each power combiner/splitter

and each Main Hub

Figure 6-4 on pa ge 6-30 illustrates this procedure.

1. Connect the power combiner/splitters to the repeater or base station using N-male

to N-male coaxial jumper cables:

a. From the first power combiner/splitter to the repeater or base station b. From the second power combiner/splitter to the repeater or base station

2. Connect the power combiner/splitters to the Main Hubs:

a. From the first Main Hub’s UPLINK port to the first power combiner/splitter b. From the first Main Hub’s DOWNLINK port to the second power com-

biner/splitter

c. From the second Main Hub’s UPLINK port to the first power combiner/splitter d. From the second Main Hub’s DOWNLINK port to the second power com-

biner/splitter

3. Check Main Hub LEDs.

After connecting and powering on the Main Hub, check all LEDs to ensure that the system is operating properly.

NOTE: Use a 50 ohm terminator on any unused power combiner/splitter ports.

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PRELIMINARY Connecting Multiple Main Hubs

Connecting Multiple Main Hubs to a Duplex Repeater or Base Station

You will need the following:

• 2 hybrid power combiner/splitters; one for uplink and one for downlink (2x1 for

two Main Hubs, 3x1 for three, 4x1 for four, etc.)

• 2 N-male to N-male coaxial jumper cables to connect each Main Hub to the power

combiner/splitters

• 1 circulator

• 1 N-male to N-male coaxial jumper cable between each cir culator and the rep eater

or base station

• 1 N-male to N-male coaxial jumper cable1 between each circulator and power

combiner/splitter

Figure 6-5 on page 6-31 illustrates this procedur e.

1. Connect the Circulator to the power combiner/splitters and to the repeater or base

station using one N-male to N-male coaxial jumper cable.

2. Connect each power combiner/splitter to the circulator using one N-male to

N-male coaxial jumper cable.

3. Connect the power combiner/splitter to the Main Hu bs:

a. From the first Main Hub’s UPLINK port to the first power combiner/splitter b. From the first Main Hub’s DOWNLINK port to the second power com-

biner/splitter

c. From the second Main Hub’s UPLINK port to the first power combiner/splitter d. From the second Main Hub’s DOWNLI NK port to the second power com-

biner/splitter

4. Check Main Hub LEDs.

After connecting and powering on the Main Hub, check all LEDs to ensure that the system is operating properly.

NOTE: Use a 50 ohm terminator on any unused power combiner/splitter ports.

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Installing U nis on Components PRELIMINARY

6.7 Connecting Contact Alarms to a Unison System

John Boyd: NO and NC contact sense info

Alarm Source intro Alarm Sense intro

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ADC UNS PCS, UNS EGSM, UNS CELL, DAS9M 4E W User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

1.1 Purpose and Scope

1.2 Conventions in this Manual

1.3 Acronyms in this Manual

1.4 Standards Conformance

1.5 Related Publications

2.1 System Overview

2.2 System Hardwa re

2.3 System Software

2.4 System OA&M Capabilities

2.4.1 Configuring, Maintaining, and Monitoring Unison Locally

2.4.2 Monitoring and Maintaining Unison Remotely

2.4.3 Using Alarm Contact Closures

2.5 System Connectivity

2.6 System Operation

2.7 System Specifications

2.7.1 Physical Specifications

2.7.2 Environmental Specifications

2.7.3 Operating Frequencies

2.7.4 RF End-to-End Performance

3.1 Main Hub Front Panel

3.1.1 Optical Fiber Uplink/Downlink Ports

3.1.2 Communications RS-232 Serial Connector

3.1.3 LED Indicators

3.2 Main Hub Rear Panel

3.2.1 Main Hub Rear Panel Connectors

3.2.1.1 N-type Female Connectors

3.2.1.2 9-pin D-sub Connector

3.3 Faults and Warnings

3.4 Main Hub Specifications

4.1 Expansion Hub Front Panel

4.1.1 RJ-45 Connectors

4.1.2 Optical Fiber Uplink/Downlink Connectors

4.1.3 LED Indicators

4.2 Expansion Hub Rear Panel

4.3 Faults and Warnings

4.4 Expansion Hub Specifications

5.1 Remote Access Unit Connectors

5.1.1 SMA Connector

5.1.2 RJ-45 Port

5.2 LED Indicators

5.3 Faults and Warnings

5.4 Remote Access Unit Specifications

6.1 Installation Requirements

6.1.1 Component Location Requirements

6.1.2 Cable and Connector Requirements

6.1.3 Neutral Host System Requirements

6.1.4 D istance Requirements

6.2 Safety Precautions

6.2.1 Installation Guidelines

6.2.2 General Safety Precautions

6.2.3 Fiber Port Safety Precautions

6.3 Preparing for System Installation

6.3.1 Pre-Installation Inspection

6.3.2 Installation Checklist

6.3.3 Tools and Materials Required

6.3.4 Optional Accessories

6.4 Unison Component Installation Procedures

6.4.1 Installing RAUs and Passive Antennas

6.4.1.1 Installing RAUs in a Neutral Host System

6.4.2 Installing Expansion Hubs

6.4.2.1 Troubleshooting Expansion Hub LEDs During Installation

6.4.2.2 Installing Expansion Hubs in a Neutral Host System

6.4.3 Installing a Main Hub

6.4.4 Installing Main Hubs in a Neutral Host System

6.5 Starting and Configuring the System

6.5.1 Troubleshooting Main Hub LEDs During Installation

6.6 Interfacing a Main Hub to a Base Station or Roof-top Antenna

6.6.1 Conne c t in g M u lt ip le M a in H u b s

6.7 Connecting Contact Alarms to a Unison System