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SG 2000 Installation and Operation Manual
Section 1
Introduction
Motorola’s SG 2000 telecommunications optical node performs light wave-to-RF and RF-to-light
wave signal conversions in an optical transmission link. This product is designed to support a wide
variety of advanced hybrid-fiber/coaxial network topologies.
As broadband communication systems continue to evolve, the demand increases for optical links that
carry the signal further into the transport system. These systems require additional features and
functionality such as digital compression and alternate access at significantly lower costs. Fully
configured, the SG 2000 supports these next-generation telecommunication networks. It also
supports a variety of single and two-way broadband network applications such as broadcast video,
interactive video, telephony, and data.
Figure 1-1 illustrates a closed SG 2000 telecommunications optical node:
Figure 1-1
SG 2000 — closed
6
3
7 8
2
1
4
5
- STARLINE 1
- Contents 3
- Installation 4
- Operation 4
- Specifications 5
- Figures 5
- Introduction 9
- Figure 1-2 10
- SG 2000 — open 10
- Using this Manual 11
- Related Documentation 11
- Document Conventions 12
- If You Need Help 12
- Calling for Repairs 13
- Overview 14
- Port Locations 15
- Gaskets 16
- Power Supply 17
- Network Monitoring 18
- Configuration 18
- Figure 2-5 19
- Configuration notation 19
- Forward Path 20
- 2-8 Overview 21
- SG2-LR Receiver 22
- Analog Return Path 23
- Figure 2-8 24
- Digital Return Path 25
- DS-SG2-DRT-2X/A 26
- Level Control 27
- Options and Accessories 27
- Model Description Function 28
- Gain Selection 29
- Figure 2-10 30
- Tilt Selection 31
- Figure 2-12 32
- Figure 2-13 33
- Bench Setup 34
- Figure 3-2 35
- SG 2000 RF chassis 35
- Powering the Node 36
- Fuse Function Rating Type 37
- Power Supply Settings 38
- Figure 3-5 39
- SG2-PS2 power supply 39
- Individually Powered Supplies 40
- Manual Gain Control 42
- Thermal Control, Model TCU 42
- Forward Path Padding 44
- Table 3-2 45
- Table 3-3 46
- SG 2000 pad chart-high gain 46
- Figure 3-8 47
- Link Performance 48
- Figure 3-10 49
- Figure 3-11 50
- Figure 3-12 51
- DS-SG2-DRRB board 51
- Figure 3-13 52
- DS-SG2-DRRB board installed 52
- Figure 3-14 53
- Location of JXPs on E-pack 53
- Figure 3-15 54
- 3-22 Bench Setup 55
- SG 2000 Activation Worksheet 56
- 4-2 Installation 59
- Strand Wire Mounting 60
- Figure 4-3 61
- Coaxial Cables 62
- Fiber Cables 62
- Figure 4-5 63
- Figure 4-6 63
- Fiber spool tray 63
- Installation 4-7 64
- Redundant Receiver Mode 66
- Broadband/Narrowcast Mode 66
- AB Override Functionality 67
- A Override 68
- Figure 5-7 69
- Redundant return 69
- Figure 5-8 69
- Split return 69
- Figure 5-9 70
- Figure 5-10 71
- Figure 5-11 72
- DS-SG2-DRT-2X/A split return 72
- Figure 5-12 72
- SG 2000 Optical Modules 73
- SG2-LR Optical Receiver 74
- Feature Description 75
- Figure 5-14 76
- Wavelength Selection Jumper 77
- SG2-IFPT Optical Transmitter 78
- SG2-FPT Optical Transmitter 79
- SG2-DFBT Optical Transmitter 80
- 5-18 Operation 82
- Operation 5-19 83
- Figure 5-21 84
- DS-SG2-DRT/A 84
- Figure 5-22 84
- Figure 5-23 86
- Figure 5-24 86
- Figure 5-25 88
- Figure 5-26 88
- SG2-PS Power Supply 89
- Status Monitoring 90
- Manual Control Board 91
- Description Function 92
- Ingress Control 93
- Parameter Specification 95
- Parameter Specifications 95
- A-6 Specifications 99
- Specifications A-7 100
- A-8 Specifications 101
- Torque Specifications 102
- Abbreviations and Acronyms 103
- Abbreviations and Acronyms-2 104
- 481740-001 105
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