Comtech EF Data CDM-710L Especificaciones Pagina 39
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CRS-170A L-Band 1:1 Redundancy Switch MN/CRS170A.IOM
Introduction Revision 13
1–19
1.4 Summary of Specifications
Equipment Type
L-Band 1:1 Redundancy Switch
Manufacturer
Comtech EF Data, Tempe, Arizona
Supported Comtech EF Data Modems
•
CDM-625A Advanced Satellite Modem with/without optional IP
Packet Processor
• CDM-625 Advanced Satellite Modem with/without optional IP Packet
Processor
• CDM-850 Remote Router
• CDM-840 Remote Router
• CDM-760 Advanced High-Speed Trunking Modem
• CDM-750 Advanced High-Speed Trunking Modem
• CDM-570AL L-Band Satellite Modem with/without optional IP Packet
Processor
• CDM-570L L-Band Satellite Modem with/without optional IP Module
• CDM-710GL L-Band High-Speed Satellite Modem
• CDM-710 L-Band Broadcast Satellite Modem
• CDM-700 L-Band Satellite Modem
• CDM-600L (CLM-9600L) with CRS-150 1:1 Data Switch
•
SDM-300L3 with SMS-301 1:1 Data Switch
Operating Modes
•
Fully automatic under control of supporting 1:1 switch.
•
Manual under control of supporting 1:1 switch.
Architecture
•
Full bridging architecture when supported by CRS-150, or SMS-301
data switching and control, with configuration synchronization.
• Tx redundancy supports all BUC interface signals (RF, 10 MHz
reference, FSK communications, and power supply)
• Rx IF signal fed to both Online and Backup units. Rx switching
supports all LNB interface signals (RF, 10 MHz reference, and power
supply.)
Switch Conditions
Tx/Rx switching follows state of supporting data switching via control input
from data switch.
IF Switching / Splitting
•
Tx IF: Switched by RF relay (1.5 dB max loss, 40 dB min ON/OFF
isolation)
•
Rx IF: Passive power splitting (7 dB max loss)
BUC Power Switching
Switched by power relay (60VDC max, 4A max)
BUC 10 MHz Reference Switching
Switched by relay (1 dB max loss, 70dB min ON/OFF isolation)
BUC FSK Comms Switching
Switched by relay (70dB min ON/OFF isolation)
LNB Power Switching
Switched by power relay (28 VDC max)
LNB 10 MHz Reference Switching
Switched by relay (1 dB max loss)
Tx-Rx Isolation
90dB min, 950-2250 MHz
IF Impedance
Optimized for 50Ω (> 10 dB return loss on external IF ports)
IF Connectors
50
Ω
Type N Female
- L-Band 1:1 Redundancy Switch 1
- BLANK PAGE 4
- TABLE OF CONTENTS 5
- FIGURES 10
- PREFACE 13
- Conventions and References 14
- Patents and Trademarks 14
- Warnings, Cautions and Notes 14
- Safety and Compliance 15
- Electrical Installation 15
- Preface Revision 13 16
- Limitations of Warranty 19
- Exclusive Remedies 19
- Chapter 1. INTRODUCTION 21
- Introduction Revision 13 22
- 1.2 Physical Features 23
- 1.2.1 Modem Side Features 23
- 1.3 Functional Description 25
- Switch Mode 27
- Chapter 2. INSTALLATION 41
- 2.2 Mount the Switch 42
- Chapter 3. SWITCH CONNECTORS 43
- PINOUTS 43
- 3.1.1.1 Type ‘BNC’ 44
- 3.1.1.2 Type ‘TNC’ 44
- 3.1.1.3 Type ‘N’ 44
- 3.1.1.4 Type ‘F’ 44
- 3.2.1 Modem Side Connectors 46
- 3.2.2.2 Ground Stud 48
- Chapter 4. MODEM AND SWITCH 49
- CONFIGURATION 49
- CnC PMSI mode: Redundancy 53
- Standby (1:1 only) 57
- Chapter 5. CABLES AND 71
- CONNECTIONS 71
- Cabling Kit KT-0000160 75
- Connection 78
- Processor) 85
- 5.4 Cabling to the CDM-850 91
- 5.4.2.2 CDM-850 Router Mode 96
- 5.5 Cabling to the CDM-840 97
- Using Cabling Kit KT-0000160 103
- Redundancy Kit KT/10860-1 111
- Using Cabling Kit KT/12551 119
- See Notes 120
- Examples 122
- KT/12583 123
- Cabling Kit KT/12551 127
- 5.9 Cabling to the CDM-710 127
- 5.10 Cabling to the CDM-700 135
- To/From User 139
- KT/12584 (Multi-Mode) 141
- AND SWITCH CONFIGURATION 143
- 5.12 Cabling the SDM-300L3 145
- Appendix A. CABLE DRAWINGS 147
- Appendix A Revision 13 149
- ((2X) Type ‘LC’ 167
- (4X) Type ‘LC’) 167
- ‘SC/UPC’ 170
- (2X) Type ‘SC/UPC’) 170
- 480 • 333 • 2200 PHONE 172
- • 333 • 2161 FAX 172
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