User's Manual

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INSTALLATION AND MAINTENANCE MANUAL

Tsunami FAMILY

SPREAD SPECTRUM RADIOS

SEPTEMBER 1999

ii TOC & INTRODUCTION

3.7.1 DC Power Wiring.............................................................................................................................3-15

3.7.2 AC Power Connection......................................................................................................................3-17

3.8 A

NTENNA CONNECTION............................................................................................................................3-18

3.9 T

RANSMISSION LINE CONNECTION ...........................................................................................................3-19

3.10 A

NTENNA INSTALLATION & ALIGNMENT..................................................................................................3-20

3.11 E

THERNET INTERFACE CONNECTION ........................................................................................................3-23

3.12 DIP S

WITCH SETTINGS .............................................................................................................................3-24

3.12.1 Channel Selection ............................................................................................................................3-24

3.12.2 Spreading Code Selection................................................................................................................3-25

3.13 S

YSTEM TURN-UP TO SERVICE.................................................................................................................. 3-26

3.13.1 Output Power Adjustment ................................................................................................................3-34

3.13.2 Link Testing......................................................................................................................................3-35

3.13.3 Error LED Mode Selection ..............................................................................................................3-36

3.14 A

DDITIONAL CONNECTIONS......................................................................................................................3-37

3.14.1 Orderwire Connection and Address Selection ..........................................................................3-37

3.14.2 Alarm Connections...........................................................................................................................3-40

3.14.3 Diagnostics Port Operation.............................................................................................................3-42

3.14.4 AUX DATA (Digital Service Channel) Connection .........................................................................3-45

3.14.5 Fail-over option ...............................................................................................................................3-46

4. TROUBLESHOOTING...................................................................................................................................4-1

4.1 R

EGULAR MAINTENANCE ...........................................................................................................................4-1

4.2 C

HANGING FREQUENCY PLANS................................................................................................................... 4-2

4.3 U

SING A SPARE TERMINAL..........................................................................................................................4-3

4.4 T

ECHNICAL SUPPORT..................................................................................................................................4-4

4.5 R

EPAIR POLICY ...........................................................................................................................................4-5

4.6 F

RONT PANEL STATUS LEDS......................................................................................................................4-6

4.6.1 BER (Bit Error Rate) Alarm...............................................................................................................4-7

4.6.2 MUTE Alarm....................................................................................................................................4-10

4.6.3 RX SYNC (Receiver Synchronization) Alarm...................................................................................4-11

4.6.4 FAN Alarm.......................................................................................................................................4-12

4.6.5 RADIO FAIL Alarm.........................................................................................................................4-13

4.6.6 FAR END Alarm ..............................................................................................................................4-14

4.7 E

RRORS IN THE DATA STREAM ................................................................................................................. 4-15

4.8 I

NTERFERENCE COUNTERMEASURES ........................................................................................................ 4-16

4.8.1 Use of a Spectrum Analyzer to Evaluate Potential Interference......................................................4-18

4.9 B

ACK-TO-BACK TESTING.......................................................................................................................... 4-19

4.10 LINK T

ESTING .........................................................................................................................................4-21

5. APPENDICES..................................................................................................................................................5-1

PPENDIX A - DIGITAL INTERFACE SPECIFICATIONS............................................................................................... 5-1

1. General Characteristics.............................................................................................................................5-1

2. Specifications.............................................................................................................................................5-1

PPENDIX B - REAR PANEL DIP SWITCHES............................................................................................................5-2

PPENDIX C - REAR PANEL DATA CONNECTORS....................................................................................................5-6