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Modules 4-9
SG4000 Installation and Operation Manual
SG4-EIFPT Optical Transmitter
The SG4-EIFPT is a 1310 nm enhanced, isolated Fabry-Perot return-path optical transmitter
with a nominal optical output power of 1.0 mW that you can use with a Motorola OmniStar
GX2
®
RX2000BX2 or similar return path optical receiver. This transmitter is a multimode
device that exhibits better dynamic range and is suitable for networks with increased link loss
requirements. The OMI is 0.35 ±0.020.
SG4-DFBT Optical Transmitter
The SG4-DFBT is a 1310 nm isolated distributed feedback return path optical transmitter with
a nominal optical output power of 1.0 mW that you can use with a Motorola OmniStar
GX2-RX2000BX2
®
or similar return-path optical receiver. This transmitter is a single
wavelength device with a spectral plot that is more pure than a Fabry-Perot. The DFBT exhibits
excellent dynamic range and is the preferred choice for heavily loaded return networks. The
OMI is 0.20 ±0.020.
SG4-DFBT3 Optical Transmitter
The SG4-DFBT3 is a 1310 nm isolated distributed feedback return path optical transmitter with
a nominal optical output power of 2.0 mW that you can use with a Motorola OmniStar
GX2-RX2000BX2
®
or similar return-path optical receiver. This transmitter is a single
wavelength device with a spectral plot that is more pure than a Fabry-Perot. The DFBT3
exhibits excellent dynamic range and higher power, making it the preferred choice for heavily
loaded return networks and increased link loss requirements. The OMI is 0.20 ±0.020.
SG4-DFBT3-*-CWDM Transmitters
The SG4-DFBT3-*- CWDM is a family of 1550 nm isolated DFB return-path optical
transmitters with a nominal optical output power of 2.0 mW. Eight wavelengths are available:
1470, 1490, 1510, 1530, 1550, 1570, 1590, and 1610 nm. These transmitters are compatible with
standard optical passive mux/demux devices that enable the system operator to place multiple
wavelengths onto a single fiber. The OMI is 0.20 ±0.020.
SG4-DRT-2X Digital Return Transmitter
The SG4-DRT-2X digital return transmitter implements TDM to convert two independent 5 to
65 MHz analog RF return-path signals into one digital optical signal within SG4000 nodes. This
digital optical signal with 10-bit resolution and 3.125 Gbps rate is suitable for optical
transmission on the International Telecommunications Union (ITU) grid to the GX2-DRR-2X
Digital Return Receiver (DRR), where the original analog return-path signals are created. (For
more information on this transmitter, refer to the SG4-DRT-2X Installation Sheet).
- 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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