User Manual
Axell Wireless Limited
Technical Literature
FM Rebroadcast Amplifier 55-203201
Document Number 55-203201HBK Issue No. 1 Date 22/12/2008 Page 2 of 23
Table of Contents
1.
Introduction ............................................................................................................................. 3
1.1. Scope and Purpose of Document ..................................................................................... 3
1.2. Limitation of Liability Notice............................................................................................... 3
2. Safety Considerations ............................................................................................................. 4
2.1. Earthing of Equipment....................................................................................................... 4
2.2. Electric Shock Hazard....................................................................................................... 4
2.3. RF Radiation Hazard......................................................................................................... 4
2.4. Lifting and other Health and Safety Recommendations .................................................... 4
2.5. Chemical Hazard............................................................................................................... 5
2.6. Laser Safety ...................................................................................................................... 5
2.7. Emergency Contact Numbers ........................................................................................... 5
3. Equipment Overview ............................................................................................................... 6
3.1. 55-203201 System Schematic .......................................................................................... 7
3.2. 55-203201 Specification.................................................................................................... 8
3.3. 55-203201 List of Major Sub Components........................................................................ 8
3.4. Front View ......................................................................................................................... 9
3.5. Interior View .................................................................................................................... 10
4. Installation – General Notes.................................................................................................. 11
4.1. General Remarks ............................................................................................................ 11
4.2. Electrical Connections..................................................................................................... 11
4.3. RF Connections............................................................................................................... 11
4.3.1. Termination of Unused Ports....................................................................................... 11
4.4. Commissioning................................................................................................................ 12
5. Maintenance.......................................................................................................................... 13
5.1. Fault Finding.................................................................................................................... 13
5.1.1. Quick Fault Checklist................................................................................................... 13
5.1.2 Fault Isolation .............................................................................................................. 13
5.1.3. Downlink...................................................................................................................... 14
5.1.4. Checking service ......................................................................................................... 14
5.1.5. Fault repair .................................................................................................................. 14
5.1.6. Service Support........................................................................................................... 14
5.2. Tools & Test Equipment .................................................................................................. 15
5.3. Care of Modules.............................................................................................................. 15
5.3.1. General Comments ..................................................................................................... 15
5.3.2. LNA Replacement (general procedure)....................................................................... 15
5.3.3. Module Replacement (general procedure).................................................................. 15
5.3.4. Power Amplifier Replacement (general procedure) .................................................... 16
5.3.5. Low Power Amplifier Replacement (general procedure)............................................. 16
5.3.6. Module Transportation: ............................................................................................... 17
Appendix A...................................................................................................................................... 18
A.1. Glossary of Terms used in this document ....................................................................... 18
A.2. Key to Drawing Symbols used in this document ............................................................. 19
A.3. EC Declaration of Conformity.......................................................................................... 20
A.4. Waste Electrical and Electronic Equipment (WEEE) Notice ........................................... 21
A.5. Document Amendment Record ....................................................................................... 22
Appendix B...................................................................................................................................... 23
B.1 Initial Equipment Set-Up Calculations............................................................................. 23