Motorola SG4-DRT-2X Instructions d'exploitation Page 103
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Specifications A-3
SG4000 Installation and Operation Manual
Table A-6 lists the typical power requirements for the SG4-PS power supply module. In a
maximum configured capacity, including efficiency and power factor, the following are typical
measurements.
Table A-6
SG4-PS power requirements
Power Supply Modules DC Current (Amps@ 24VDC) Power Consumed (Watts)
One
2.9 90
Two
5.8 176
Three
5.8 179
Table A-7 lists distortion and c/n performance for the SG4000 with a load of 77 channels.
Table A-7
SG4000 performance, with 77 channels
Parameter Specification
Carrier-to-Composite Noise (CCN)
50.5 dB Minimum
Composite Triple Beat (CTB)
66 dBc Maximum
Composite Second Order (CSO)
62 dBc Maximum
Note:
Link: SG4-R w/GX2-LM1000*, 77ch, 20km
Loss budget 9.0 dB
12.5 dB tilt 870 MHz virtual level of 53 dBmV
310 MHz of compressed data 6 dB below analog channel level
Output level (870, 550, 55 MHz), 53/48.5/40.5 dBmV
Table A-8 lists the RF performance specifications for the SG4-IFPT laser transmitter.
Table A-8
SG4-IFPT RF specifications
Parameter Specification
Nominal RF input impedance
75 Ohms
RF passband
5 MHz through 65 MHz
Flatness (peak to valley)
1.00 dB maximum
RF input return loss
18 dB minimum
Recommended total input power
+22 dBmV
Optical output power
0.4 mW (−4 dBm), nominal
Noise Power Ratio over dB Input
Dynamic Range Typical
30 dB NPR over 10 dB dynamic range
- 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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