Radyne DMDVB20 LBST Instrucciones de operaciones Pagina 48
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User Interfaces DMDVB20 LBST Satellite Modem
4-12 TM138 – Rev. 1.0
GOLD SEQ N {000000}
Allows the user to enter specific tap value to choose
different gold sequences for the S2 scrambler. The unit
are decimal and the maximum value allow is 2
18
-1.
ODU-LNB (menu)
LO FREQ (MHz) Allows the user to enter the LNB Local Oscillator
frequency in MHz in order for the downlink frequency to
be displayed correctly (refer to the LNB manufacturer’s
specifications).
OSC SIDE BAND {LOW SIDEBAND, HIGH SIDEBAND}
Allows the user to select the location of the LNB LO.
The user must enter the location of the LNB LO in order
for the DOWNLINK FREQUENCY to be displayed
correctly. The LNB LO can be either higher or lower in
frequency than the LNB output frequency. If the LNB LO
is higher in frequency then the user must enter HIGH
SIDEBAND.
10 MHz LNB REF {ENABLED, DISABLED}
Allows the user to enable or disable the 10 MHz BUC
reference clock.
VOLTAGE SELECT {13, 15, 18, 20}
Allows the user to select the voltage required by the LNB
(refer to the LNB manufacturer’s specifications)
LNB VOLTAGE {ENABLED, DISABLED}
Allows the user to enable or disable the LNB supply
voltage.
4.3.4 Interface Menu Options and Parameters
TX SETUP (menu)
CIRCUIT ID Allows the user entry of a Tx Circuit Identifier. Circuits
can be given up to an 11 Character alphanumeric
identity such as LINK1.
TERR INTERFACE STANDARD INTERFACE
{RS422 SERIAL,RS232 SERIAL, V.35}
Allows the user to select the Transmit Interface Type.
TX CLK SRC {SCTE, SCT, EXT CLK}
Allows the user to select the Transmit Clock Source.
TX CLK POL {AUTO, NORMAL, INVERTED}
Allows the user to select the Clock Polarity for the Tx
Terrestrial Clock relative to the Tx Data. “Auto” detects
wrong polarity and automatically corrects. If G.703
Interface is selected, this selection cannot be changed.
- 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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