User's Manual

Table of Contents
Important Notice .................................................................................................................................. 7
Quick guide ......................................................................................................................................... 8
List of documentation ........................................................................................................................ 10
1. RAy2 – Microwave Link ................................................................................................................. 11
2. Implementation Notes ................................................................................................................... 12
2.1. Link calculation ................................................................................................................... 12
2.1.1. Free space loss calculation ..................................................................................... 12
2.1.2. Link budget calculation ............................................................................................ 12
2.1.3. Fade margin ............................................................................................................ 13
2.1.4. Rain attenuation ...................................................................................................... 13
2.1.5. Multipath fading ....................................................................................................... 16
2.1.6. Fresnel zones calculation ........................................................................................ 17
2.2. Example of microwave link design ..................................................................................... 18
3. Product .......................................................................................................................................... 21
3.1. Mounting ............................................................................................................................. 22
3.2. Connectors ......................................................................................................................... 22
3.3. Power supply ...................................................................................................................... 23
3.4. Status LEDs ....................................................................................................................... 25
3.5. Technical parameters ......................................................................................................... 25
3.6. Dimensions ......................................................................................................................... 26
3.7. Ordering codes ................................................................................................................... 27
4. Accessories ................................................................................................................................... 28
4.1. Overview ........................................................................................................................... 28
4.2. Details ................................................................................................................................30
5. Step-by-step Guide ....................................................................................................................... 36
5.1. Service access ................................................................................................................... 37
5.1.1. Menu Link settings - General ................................................................................... 38
5.1.2. Menu Link - Service access - Services ................................................................... 39
5.1.3. Menu Link - Service access - Users ........................................................................ 40
5.1.4. Menu Maintenance - Feature keys .......................................................................... 40
5.2. Basic link configuration ....................................................................................................... 40
5.3. Link test .............................................................................................................................. 40
6. Installation ..................................................................................................................................... 42
6.1. Line of sight test ................................................................................................................. 42
6.2. Antenna mounting .............................................................................................................. 42
6.2.1. Mounting methods ................................................................................................... 42
6.2.2. Mounting the FOD unit on the antenna ................................................................... 45
6.2.3. Lubrication and preservation of the antenna pivot .................................................. 49
6.2.4. Flexible waveguide .................................................................................................. 49
6.3. Connectors assembly ......................................................................................................... 50
6.4. Grounding ........................................................................................................................... 52
6.5. Start up ............................................................................................................................... 57
6.5.1. Noise on the site ...................................................................................................... 57
6.5.2. Directing antennas ................................................................................................... 57
6.5.3. Link test ................................................................................................................... 61
6.5.4. Parameters setup .................................................................................................... 61
7. Configuration ................................................................................................................................. 62
7.1. Introduction ......................................................................................................................... 62
7.2. Status bar ........................................................................................................................... 63
7.3. Status ................................................................................................................................. 65
7.3.1. Status - General ...................................................................................................... 66
3© RACOM s.r.o. – RAy2 Microwave Link