Radyne DMDVB20 LBST Instrucciones de operaciones Pagina 45
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DMDVB20 LBST Satellite Modem User Interfaces
TM138 – Rev. 1.0 4-9
LOW ALARM THRSH {0.00 Volts}
Allows user to select lower alarm limit/threshold for BUC
voltage.
HI ALARM THRSH {0.00 Volts}
Allows user to select high alarm limit/threshold for BUC
voltage.
LOW ALARM THRSH {0.00 Amps}
Allows user to select lower alarm limit/threshold for BUC
current.
HI ALARM THRSH {0.00 Amps}
Allows user to select high alarm limit/threshold for BUC
current.
CAR DLY (SEC) {0 to 255}
Allows the user to select the time delay after power-up before the Tx Carrier may be
enabled. This allows time for the BUC to stabilize.
ADDRESS Allows user to enter the BUC address to establish
FSK communications between the modem and BUC.
(Only available when the FSK Comm is Enabled)
BUC OUTPUT {Enable/Disable}
(Only available when the FSK Comm is Enabled)
Enables or Disables the BUC RF Output.
FSK TEST {NONE, PASSTHRU, QUERY FOR ADDRESS,
LOOPBACK, CYCLE TX ENABLE, }
(Only available when the FSK Comm is Enabled)
NONE:
This is the none FSK operational mode.
LOOPBACK:
The FSK will initiate an internal loopback test of the FSK
transmitter and receiver verifying that the modem
communication link is functioning properly.
CYCLE TX ENABLE:
The modem will initiate a test of the FSK between the
modem and BUC. The LBST will enable and disable the
BUC RF output and verify that the commands are
properly received and accepted by the BUC and the
modem. If communications are lost, LBST will initiate a
fault.
QUERY FOR ADDRESS:
The modem will initiate a FSK query requesting BUC
address.
- DMDVB20 LBST 1
- Warranty Policy 2
- Preface 4
- Trademarks 5
- Copyright 5
- Disclaimer 5
- Record of Revisions 5
- Table of Contents 6
- TM138 – Rev. 1.0 ix 8
- TM138 – Rev. 1.0 xi 10
- Introduction 12
- 1.1.1 Feature Upgrades 13
- 1.1.3 Hardware Options 13
- 1.2 Function Accessibility 13
- TM138 – Rev. 1.0 1-3 14
- Installation 15
- 2.1 Unpacking 16
- 2.2 Removal and Assembly 16
- 2.3 Mounting Considerations 17
- 2-4 TM138 – Rev. 1.0 18
- 2.5 Modulator Checkout 19
- 2.5.1 Initial Power-Up 19
- 2.6 Storage 19
- 2-6 TM138 – Rev. 1.0 20
- Theory of Operation 21
- 3-2 TM138 – Rev. 1.0 22
- 3.1.1 Front Panel 24
- 3.1.2 Baseband Processing 24
- TM138 – Rev. 1.0 3-5 25
- 3-6 TM138 – Rev. 1.0 26
- 3.3 Internal Clock 27
- TM138 – Rev. 1.0 3-9 29
- 3.5 Clocking Options 30
- 3.5.1 TX Clock Options 30
- 3.5.2.1 RX SAT Clock 32
- 3.7.3 Interleaving 33
- 3-14 TM138 – Rev. 1.0 34
- TM138 – Rev. 1.0 3-15 35
- 3-16 TM138 – Rev. 1.0 36
- User Interfaces 37
- 4.1.3 Numeric Keypad 38
- 4.2 Parameter Setup 40
- 4.3.1 Main Menus 40
- TM138 – Rev. 1.0 4-5 41
- 4-6 TM138 – Rev. 1.0 42
- TM138 – Rev. 1.0 4-7 43
- 4-8 TM138 – Rev. 1.0 44
- TM138 – Rev. 1.0 4-9 45
- 4-10 TM138 – Rev. 1.0 46
- TM138 – Rev. 1.0 4-11 47
- 4-12 TM138 – Rev. 1.0 48
- TM138 – Rev. 1.0 4-13 49
- 4-14 TM138 – Rev. 1.0 50
- TM138 – Rev. 1.0 4-15 51
- 4-16 TM138 – Rev. 1.0 52
- TM138 – Rev. 1.0 4-17 53
- 4-18 TM138 – Rev. 1.0 54
- TM138 – Rev. 1.0 4-19 55
- 4-20 TM138 – Rev. 1.0 56
- TM138 – Rev. 1.0 4-21 57
- 4-22 TM138 – Rev. 1.0 58
- TM138 – Rev. 1.0 4-23 59
- 4-24 TM138 – Rev. 1.0 60
- TM138 – Rev. 1.0 4-25 61
- 4-26 TM138 – Rev. 1.0 62
- TM138 – Rev. 1.0 4-27 63
- 4-28 TM138 – Rev. 1.0 64
- 4.4 Terminal Mode Control 65
- 4.6 Connecting the Terminal 66
- 4.7 Terminal Screens 66
- TM138 – Rev. 1.0 4-31 67
- Rear Panel Interfaces 68
- 5-2 TM138 – Rev. 1.0 69
- 5.3.5 EXT CLK (J16) 70
- 5.3.7 (J18) 70
- 5.3.8 EIA-530 (J19) 71
- 5.3.9 REMOTE (J20) 72
- 5-6 TM138 – Rev. 1.0 73
- 6.0 Periodic Maintenance 74
- 6.0.1 Clock Adjustment 74
- 6.1 Troubleshooting 74
- 6.1.1 Alarm Faults 75
- 6.1.1.1 Major Tx Alarms 75
- 6.1.1.2 Major Rx Alarms 76
- 6.1.1.3 Minor Tx Alarms 76
- 6.1.1.4 Minor Rx Alarms 77
- 6.1.1.5 Common Major Alarms 77
- TM138 – Rev. 1.0 6-5 78
- 6-6 TM138 – Rev. 1.0 79
- Technical Specifications 80
- 7.2 Demodulator 81
- 7.3 Monitor and Control 81
- TM138 – Rev. 1.0 7-3 82
- 7-4 TM138 – Rev. 1.0 83
- 7.8.2 DVB 84
- 7-6 TM138 – Rev. 1.0 85
- TM138 – Rev. 1.0 7-7 86
- 7-8 TM138 – Rev. 1.0 87
- TM138 – Rev. 1.0 7-9 88
- Product Options 89
- A-2 TM138 – Rev. 1.0 90
- B.0 Introduction 91
- B.1 Required Equipment 91
- B.2 Upgrade Procedure 91
- B-2 TM138 – Rev. 1.0 92
- B.3 Demonstration Procedure 93
- B-4 TM138 – Rev. 1.0 94
- TM138 – Rev. 1.0 95
- B-6 TM138 – Rev. 1.0 96
- Carrier Control 98
- C.5 Carrier RTS 99
- TM138 – Rev. 1.0 C-3 100
- Strap Codes 101
- D.1 Sample Applications 104
- TM138 – Rev. 1.0 D-5 105
- D-6 TM138 – Rev. 1.0 106
- TM138 – Rev. 1.0 D-7 107
- Glossary 108
- G-2 TM138 – Rev. 1.0 109
- TM138 – Rev. 1.0 G-3 110
- G-4 TM138 – Rev. 1.0 111
- TM138 – Rev. 1.0 G-5 112
- G-6 TM138 – Rev. 1.0 113
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