Datum Systems PSM-500L Especificaciones descargar pdf (Pagina 115)

PSM-500/500L/500LT SCPC Satellite Modem Maintenance

PSM-500/500L/500LT - Rev. 0.91

Page 4-13

NOTE: The IF version of the 70 MHz, 140 MHz and L-Band modem is determined by

hardware only, and has nothing to do with the software. The modem will refuse to accept

attempts to load the wrong software intended for another version.

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 123 124

PSM-500/PSM-500L/500LT 1
Table of Contents 3
Safety Notice 3
EMC Notice 9
About This Manual 10
1.0 Introduction 11
1.1 Modem Capabilities 12
1.1.1 Modem IF Variations 12
Page 1-3 13
1.1.3 Applications 14
Page 1-5 15
Page 1-6 16
Page 1-7 17
1.2.1 Modulator 18
1.2.2 Demodulator 19
Page 1-10 20
Transmit Clock Sources 21
Receive Clock Sources 21
1.2.4 Control Processor 22
Page 1-13 23
Page 1-14 24
Page 1-15 25
Page 1-16 26
Page 1-17 27
Page 1-18 28
Page 1-19 29
Page 1-20 30
Compatibility 30
Page 1-21 31
Chapter 2 - Installation 33
2.3 Modem Connections 34
L-Band IF Modem 37
2.3.3 Alarm Connection 40
Station IF 42
Equipment 42
2.4 Modem Checkout 44
2.5.1 Parameter Setup 45
2.7 Self-Test Mode 46
2.8 IF Loop-back Test Mode 46
2.9 Modem Configuration 47
External Connector Area 57
Rear Connector Plate 57
M500 Series Main PCB 59
Chapter 3 - Operation 61
3.1.2.2 Front Panel Keypad 62
IF Frequency 63
70.125613MHz 63
Data Bit Rate 65
256.000kbps 65
Page 3-7 67
LO Frequency 70
Filter Mask 70
Low Level Alm 70
Page 3-11 71
Page 3-13 73
Page 3-15 75
Page 3-17 77
Page 3-19 79
Page 3-21 81
Page 3-23 83
Page 3-25 85
3.3 Terminal Mode Control 87
Page 3-29 89
3.5 Modem Checkout 90
3.5.1 Power-Up 91
3.6.1 L-Band BUC Control 92
3.6.2 L-Band LNB Control 92
3.7.1 VSAT Mode 92
3.7.2 SCPC Mode 93
AUPC Control 94
Page 3-35 95
Page 3-37 97
Page 3-39 99
3.16 Burst Mode Operation 101
Chapter 4 - Maintenance 103
Page 4-3 105
4.2 Troubleshooting 106
at the front 107
4.2.3 Built-in Lamp Test 109
Page 4-9 111
Page 4-11 113
Page 4-13 115
OR How Do I? 117
Why Doesn’t It? 117
and Where Is? 117
Page 4-17 119
A.3 Why does It do that? 120
B. Front Panel Control 120
C. Remote Control 121
D. Data Interface 122
E. Manual 123

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