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Ku-Band Satellite Transceiver Revision 9
Operation MN/KST2000AB.IOM
3–21
For example: to place Unit B uplink online, the remote backup manual operation
command to Unit B’s uplink will be issued. Refer to Appendix B.6.
In the manual mode, as well as any other backup enabled operating mode, the
switch position indicators on the RJU-2000 will indicate which uplink and downlink
is online by illuminating an appropriate LED indicator. Generally, after the redun-
dant KST-2000A/B system has been set up for its final operating condition, auto-
matic system operation/protection mode is enabled.
In automatic mode, remote backup manual operation commands will be ignored by
the system, and manual interference of the TX or RX waveguide switch position will
be overridden by the system.
Two types of automatic protection are supported by the KST-2000A/B:
• Automatic, independent switching – In this automatic protection mode, each
KST-2000A/B will monitor uplink and downlink fault inputs from the other
KST-2000A/B. Independent switching of the uplinks and downlinks can occur.
For example: A fault in an online uplink will cause the the offline KST-2000A/B to
place its uplink online by transferring the TX waveguide switch to its position. In
this scenario, the downlink path remains unchanged until a fault occurs in the
online downlink. If a standby link is faulted, no switching will occur until either the
A or B link fault clears.
• Automatic, chain switch (dependent switching) mode – Operation in this mode is
similar to automatic independent operation, except that when a fault occurs both
the up and down link of the faulted KST-2000A/B are transferred offline.
Possible Redundancy Errors:
In the automatic modes, if the 1:1 interface cable is removed from one of the
KST-2000A/Bs, the remaining attached KST-2000A/B will assume control of both
the uplink and downlink. Both KST-2000A/Bs will report a 1:1 cable fault.
The KST-2000A/B in backup enabled mode will report a TX, RX, or IF switch fault
if the corresponding cable is removed from a switch, or if the position indicators are
malfunctioning.
Both of these errors require that either:
• Backup mode be disabled, and then re-enabled.
Reference: Refer to Appendix B.6 after the fault is cleared, or
• A reset redundancy faults command is issued to each unit.
Reference: Refer to Appendix B.9.
- Ku-Band Satellite Transceive 1
- Installation and O 1
- KST-2000A/B 3
- Customer Service 4
- Table of Contents 5
- Figures 9
- Preface MN/KST2000AB.IOM 10
- Preface 11
- Related Documents 12
- Warranty Policy 13
- Chapter 1. INTRODUCTION 15
- 1.1 Description 16
- 1.1.3 Areas of Operation: 17
- 1.1.4 Features 18
- 1.1.4.2 Other Features 19
- Ku-Band & 20
- DC Power 20
- DC Power & 22
- 10 MHz Ref 22
- 1.1.7 Redundant System 23
- 1.2 Specifications 24
- to + 140°F) 26
- Notes: 27
- Chapter 2. INSTALLATION 29
- . (see Note) 30
- 2.3. Description of Options 31
- 2.4. Electrical Connections 32
- 2.4.1. Converter Unit 32
- 2.4.1.9 HPA Connector (J8) 38
- 2.4.2. Data SSPAs 41
- 2.4.3. LNA Connections 48
- 2.4.4. LNB Connections 48
- Chapter 3. OPERATION 49
- 3.1.1 Uplink Setup 51
- 3.1.2 Downlink Setup 52
- (2 places) 55
- PL/8085-2 55
- 3.4 Connector Descriptions 58
- 3.4.7 Other Connectors 63
- 3.5 Indicators Description 63
- Unit A Unit B 65
- 3.7 Reference Oscillator 70
- • Fault relays • ROM/RAM 72
- 3.11.1 Operation 77
- AND ISOLATION 81
- Chapter 4. FAULT INDICATION 81
- 4.2 Fault Isolation 82
- 4.3 Stored Faults 82
- Chapter 5. KEYPAD / DISPLAY 85
- 5.3 The Menu Structure 89
- 5.3.1 Configuration 90
- ] or [ X] to move the 91
- 5.3.2 Monitor 93
- 5.3.3 Faults 94
- 5.3.4 Utility 97
- 5.3.5 System 98
- or [ X] arrow buttons 99
- 5.3.6 Redundancy 100
- Operation MN/KST2000AB.IOM 102
- Appendix A. EQUIPMENT 103
- OUTLINE DRAWINGS 103
- TOLERANCE: +/- .02 (0.5) 108
- 5.67 (143.8) 110
- 5.12 (130.0) 110
- 2.55 (65) 110
- 1.58 (40) 110
- Type “N” 110
- Appendix B. TERMINAL MODE 111
- COMMANDS 111
- B.2 Message Structure 112
- B.2.1 Start Character 112
- B.2.2 Device Address 112
- B.2.3 Command/Response 113
- B.2.3 End Character 114
- B.3.3 Reset Commands 118
- <add/HS_’cr’ 119
- >add/HS_’cr’ 119
- B.3.5 Stored Faults 121
- B.3.6 Miscellaneous 124
- B.4.1 External Fault Mode 126
- Appendix C. SINGLE-THREAD 127
- EQUIPMENT MOUNTING 127
- C.1 Tools Required 128
- C.2.1 Spar Arm Mount 129
- Figure C-2 131
- C.2.2 Pole Mount 132
- Flat fitting plate 133
- Pipe block 133
- C.3 SSPA Installation 136
- C.4 LNA Installation 139
- C.5 Cable Installation 140
- Appendix D. REDUNDANT 141
- D.1 Tools Required 142
- D.2.1 Spar Arm Mount 143
- D.2.2 Pole Mount 146
- D.3 1:1 SSPA Installation 150
- D.4 1:1 LNA Installation 151
- D.5 Cable Installation 151
- Appendix E. FSK REMOTE 153
- CONTROL COMMANDS 153
- E.2 Basic Protocol 154
- E.2.1 Packet Structure 155
- E.2.2 Start Of Packet 155
- E.2.3 Address 155
- E.2.4 Instruction Code 155
- E.2.6 Message Arguments 158
- E.2.7 End Of Packet 158
- E.3 Commands and Query 158
- 2W SSPA – Item D=BV1 171
- Glossary 177
- Ω kilo-ohms 178
- Glossary MN/KST2000AB.IOM 180
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