Motorola SG4-DRT-2X Provozní pokyny stáhnout pdf (Strana 61)

Bench Setup and Operation 3-33

SG4000 Installation and Operation Manual

Split Redundant Return

In the split redundant return configuration, each pair of RF returns is applied to a separate 2X

redundant return configuration board. The 2X redundant return board, in return configuration

location 2 (Figure 3-30), directs RF to two transmitters in lid optics slots 3 and 4. The 2X

redundant return board, in return configuration location 3, directs RF to two transmitters

located in lid optics slots 5 and 6.

Figure 3-30 illustrates the split redundant return configuration.

Figure 3-30

Split redundant return configuration

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 107 108

Installation and 1
Operation Manual 1
FDA Compliance 3
Contents 4
Modules 5
Installation 6
Figures 6
Contents v 8
Introduction 10
Figure 1-2 11
SG4000 – open 11
Using this Manual 12
Related Documentation 12
Document Conventions 13
If You Need Help 13
Calling for Repairs 14
Overview 15
Housing 16
Figure 2-3 17
Housing port locations 17
Gaskets 18
Weather gasket 18
(silicone rubber) 18
RF gasket 18
(woven wire) 18
Network Monitoring 19
Options and Accessories 19
Electronics Package 20
Figure 2-5 21
Figure 2-6 22
Configuration 23
Bandpass Frequency 24
Station Slope 24
Bandpass Frequency Splits 25
Level Control 26
Port Entry 27
Figure 2-10 28
Bench Setup and Operation 29
Figure 3-2 30
Forward Path Configuration 31
Forward Split 33
Loss = 8.7 dB 34
Forward Redundant Split 36
PRI) and secondary (SEC) 38
SW1 AUTO position 39
Forward Segmented 2X 40
Figure 3-14 43
SEC RX PRI RX 44
SW2 AUTO position 46
Forward Segmented 4X 47
Loss = 2.7 dB 48
Return Path Configuration 50
Combined Return 52
Loss = 0.9 dB 53
Combined Redundant Return 55
Split Return 58
Split Redundant Return 61
Segmented Return 64
Power Distribution Board 67
Figure 3-37 68
Power distribution board 68
Figure 3-38 69
SG4000 – fuse locations 69
of the housing base. 20 A 70
Power Supply Operation 71
Ensure shunt F1 (30 A): 72
4-2 Modules 74
SG4-R/* Optical Receiver 75
4-4 Modules 76
4-6 Modules 78
Figure 4-4 79
Figure 4-5 79
SG4-* transmitter 79
SG4-IFPT Optical Transmitter 80
SG4-DFBT Optical Transmitter 81
SG4000 RF Module 82
Modules 4-11 83
FSB Board 84
SG4-PS Power Supply 85
Adding Power Supply Modules 86
Embedded Plug-in Module 87
4-16 Modules 88
RF port 1 88
RF port 6 88
Ingress Control 89
Status Monitoring 89
Parameter 90
Fiber Cables 92
Figure 5-3 93
Fiber management tray 93
Figure 5-2 93
5-4 Installation 94
Clamps Clamp 95
5-6 Installation 96
Pedestal Mounting 97
Grounding the SG4000 98
Coaxial Cable Installation 99
Closing the Housing 100
Specifications 101
A-2 Specifications 102
Specifications A-3 103
A-4 Specifications 104
Torque Specifications 105
Abbreviations and Acronyms 106
Abbreviations and Acronyms-2 107
529086-001 108
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