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SG4000 Installation and Operation Manual
Section 1
Introduction
Motorola’s SG4000 modular optical node is now available with 1 GHz forward actives. Revision
3 of the Installation and Operation Manual includes specific information regarding the 1 GHz
models, as well as expanded details on the overall node features and functions.
Motorola’s STARLINE
®
SG4000 modular optical node is the successor to the popular four-
output SG2440 platform. The optical node performs light wave-to-RF and RF-to-light wave
signal conversions in an optical transmission link. The SG4000 enables the system operator to
independently and incrementally segment the downstream and upstream sections of the node
without discarding the initial platform. This product is designed to support a wide variety of
advanced hybrid-fiber/coaxial (HFC) network topologies.
The SG4000 node and its associated modules are new designs that build on Motorola’s heritage
of performance and reliability. These new modules are not interchangeable with those used in
any previous node. Also unique are the mini-auto fuses used to route AC power within the
SG4000. The six RF/AC port entry assemblies feature a new 1/16 inch hex-head seizure
mechanism to secure the connector. The JXP-B* break-away ergonomic attenuator pads,
ingress control switches, and linear mid-stage equalizers used in the SG4000 are common with
other Motorola optical nodes.
The 1 GHz version contains a new forward receive module, new RF modules, new port entry
assemblies, and new forward configuration boards. The SG4-R receiver and SG4-RF modules
are denoted by a 1 GHz notation on their respective silk-screened covers. You can identify the
new port entry assemblies by a new terminal clamp mechanism that eliminates the use of
solder to capture the AC wiring harness. The 1 GHz forward configuration boards also have a
shielded cover. More detailed information is provided in subsequent sections of this manual.
Figure 1-1 illustrates a closed SG4000 modular optical node.
Figure 1-1
SG4000 – closed
- 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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