Motorola SG4-DRT-2X Instrucciones de operaciones Pagina 59
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Bench Setup and Operation 3-31
SG4000 Installation and Operation Manual
Figure 3-28 illustrates the 2X redundant return configuration board. Jumpers J5 and J6 are
shown in the normal default position. Jumper
J6 enables/disables signal flow to output
connector
J8 (TX2). Jumper J5 terminates input connector J3 (IN2) when only a single RF input
is used.
Figure 3-28
2X redundant return configuration board
J9
T3
Q1
C15
R1
J4
J1
J2
C9
T1
J5
J6
C10
TERM
TERM
J7
J8
C11
R7
T2
C12
J3
IN1IN2
TX2
TX1
R2
R11
C5
C4
R13
R16
R10
R4
C7
C8
C13
C6
R3
R8
R5
R12
C18
R14
R15
L1
C16
C19
C14
C17
R6
C2
C1
C3
SM
Figure 3-29 illustrates the signal flow through the 2X redundant return board.
Figure 3-29
2X redundant return – signal flow
Loss = 0.9 dB
J6
-0.5 dB
-3.5 dB
+7.5 dB
-3.5 dB
TX2
TX1
SM
J5
IN2
IN1
To set up the return 2X redundant option:
1 Confirm that return transmitters are installed in lid optics slots 3 and 6.
2 Confirm that a 2X redundant return board is installed in lid return configuration board
locations 2 and 3, as illustrated in Figure 3-27.
3 Position J6 in the right-most position to terminate the output to TX2.
4 Connect an RF cable from the 2X redundant return board, in lid return configuration board
location 2, to the transmitter in lid optics slot 3.
5 Connect an RF cable from the 2X redundant return board, in lid return configuration board
location 3, to the transmitter in lid optics slot 6.
The RF cable should be approximately five inches long and have red boots on the connector
signifying the return path.
6 Connect the appropriate return RF cables from the SG4-RF modules to each 2X redundant
board.
- 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
- Visit our website at: 108
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