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— Contents
RF-8000E Operations Manual
iv
Chapter 6. Maintenance and Troubleshooting ................................................................................................ 61
Routine Maintenance ..................................................................................................................................... 61
Administrative Requirements ......................................................................................................................... 62
Troubleshooting ............................................................................................................................................. 62
Amplifier Replacement ................................................................................................................................... 64
Keeping Spares ............................................................................................................................................. 65
Returning the Repeater Equipment for Repair ............................................................................................... 66
Product Warranty ........................................................................................................................................... 66
Appendix .............................................................................................................................................................. 69
Figures
Figure 1, Mechanical Layout, 2 Amplifier or Frequency Channels ................................................................. 16
Figure 2, Mechanical Layout, 3 - 4 Amplifier or Frequency Channels ............................................................ 17
Figure 3, Mechanical Layout, Bottom Detail ................................................................................................... 18
Figure 4, Linear Power Amplifier .................................................................................................................... 19
Figure 5, Block Diagram, 1+0 Duplex, Un-Equalized ..................................................................................... 20
Figure 6, Block Diagram, 1+1, 2+0 Duplex, Un-Equalized ............................................................................. 21
Figure 7, Block Diagram, 1+0 One-Way, Un-Equalized ................................................................................. 22
Figure 8, Block Diagram, 1+0 One-Way, Delay Equalized ............................................................................. 22
Figure 9, Block Diagram, 1+1 Duplex, Un-Equalized, 2-Amplifier .................................................................. 23
Figure 10, Block Diagram, 1+0 Duplex, Delay Equalized ............................................................................... 24
Figure 11, Block Diagram, 1+1, 2+0 Duplex, Delay Equalized ....................................................................... 25
Figure 12, Block Diagram, 3-Port, 4-Amplifier, Duplex, Un-Equalized Space-Frequency Hybrid Diversity and
Y-Junction Applications ................................................................................................................ 26
Figure 13, Block Diagram, 3-Port, 4-Amplifier, Duplex, Delay Equalized Space-Frequency Hybrid Diversity
and Y-Junction Applications ......................................................................................................... 27
Figure 14, Block Diagram, 4-Port, 3-Amplifier, Duplex, Un-Equalized Space Diversity Applications ............. 28
Figure 15, Block Diagram, 4-Port, 4-Amplifier, Duplex, Un-Equalized 1+1 Space-Frequency Hybrid Diversity,
2+0 Dual Polarized and Y-Junction Applications .......................................................................... 29
Figure 16, Block Diagram, 4-Port, 3-Amplifier, Duplex, Delay Equalized Space Diversity Applications ......... 30
Figure 17, Block Diagram, 4-Port, 4-Amplifier, Duplex, Delay Equalized 1+1 Space-Frequency
Hybrid Diversity, 2+0 Dual Polarized and Y-Junction Applications ............................................... 31
Figure 18, Power Connection Block Diagram, 12V Standard ......................................................................... 32
Figure 19, Power Connection Block Diagram, 24V Option ............................................................................. 33
Figure 20, Power Connection Diagram, AC Single Power Supply Option ...................................................... 34
Figure 21, Power Connection Diagram, AC Dual Power Supply Option......................................................... 34
Figure 22, Repeater Power Wiring Pictorial ................................................................................................... 35
Figure 23, Typical RF Repeater Installation ................................................................................................... 38
Figure 24, Enclosure Mounting Dimensions RF-8000E, 2 ~ 4 Antenna Port, 1 ~ 4 Amplifier or
Frequency Channels .................................................................................................................... 41
Figure 25, Antenna Isolation Measurement - Equipment Configuration ......................................................... 49
Figure 26, RF Repeater Installation near Grand Canyon National Park, Arizona, USA ................................. 51
Figure 27, Example of Wall Mounting RF Repeaters. Note the use of rigid W/G bends and twists. .............. 52
Figure 28, Example of Solar and Wind Power Installation ............................................................................. 53
Figure 29, Suggested Mounting Frame .......................................................................................................... 53
Figure 30, Location of Ground Lug on Repeater Enclosure ........................................................................... 54
Figure 31, Typical System Ground Rod ......................................................................................................... 55
Figure 32, Wiring and Ground Connections, Main Repeater Panel ............................................................... 55
Figure 33, Power Amplifier RF MON and TX Branch Loss ............................................................................ 59