Comtech EF Data CDM-500 Dokumentacja Pobierz pdf (Strona 21)

Function CDM-500 Closed Network Satellite Modem

3–2 Rev. 1.3

Following this, the data passes to the Plesiochronous/Doppler buffer, which has a

programmable size, or may be bypassed. From here, the receive clock and data signals

are routed to the terrestrial interface, and are passed to the externally connected DTE

equipment.

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 87 88

CDM-500 1
Customer Support 4
Table of Contents 6
Rev. 1.3 iii 8
Rev. 1.3 v 10
Figures 11
About this Manual 12
Conventions and References 12
Cautions and Warnings 12
Metric Conversion 12
BEFORE INSTALLATION AND USE 13
Installation 14
Warranty Policy 15
Limitations of Warranty 15
Exclusive Remedies 15
Disclaimer 15
Chapter 1 16
INTRODUCTION 16
1–2 Rev. 1.3 17
Chapter 2 18
INSTALLATION 18
2.2 Configuration 19
2.3 Select Internal IF Loop 19
2.4 Connect External Cables 19
Chapter 3 20
FUNCTION 20
3–2 Rev. 1.3 21
Chapter 4 22
PHYSICAL DESCRIPTION 22
4.2 Rear Panel 24
4–4 Rev. 1.3 25
Chapter 5 26
CONNECTOR PINOUTS 26
5–4 Rev. 1.3 29
Chapter 6 30
FRONT PANEL OPERATION 30
6.2 Menu Trees 32
6.3 OPENING SCREEN 33
6.4 SELECT 33
6.5 CONFIG: 34
6.5.6 (CONFIG, TX) ON/OFF 35
Rev. 1.3 6–7 36
6–8 Rev. 1.3 37
Rev. 1.3 6–9 38
6–10 Rev. 1.3 39
Rev. 1.3 6–11 40
6.5.30 (CONFIG, LOCAL) 41
6.5.31 (CONFIG, REMOTE) 41
Rev. 1.3 6–13 42
6.5.37 (CONFIG, MASK) AGC 43
6.5.38 (CONFIG, MASK) Eb/No 43
Rev. 1.3 6–15 44
6.6 TEST 45
6.7 INFO (Information) 46
6–18 Rev. 1.3 47
Rev. 1.3 6–19 48
6.8 MONIT (Monitor) 49
6.8.1 (MONIT) ALARMS 49
6.8.5 (MONIT) STORED EVENTS 50
6.8.6 (MON, EVENTS) VIEW 50
6–22 Rev. 1.3 51
6.9 STORE/LD (Store/Load) 52
6.9.1 (STORE/LD) STORE 52
6.9.2 (STO/LD) LOAD 52
6–24 Rev. 1.3 53
6.10 UTIL (Utility) 54
6–26 Rev. 1.3 55
Chapter 7 56
CLOCKING 56
7–2 Rev. 1.3 57
Chapter 8 58
EDMAC CHANNEL 58
8.2 M&C Connection 59
8.3 Setup Summary 60
8–4 Rev. 1.3 61
Appendix A 62
SUMMARY OF SPECIFICATIONS 62
A.2 Demodulator 63
A.3 Data Interfaces 64
A.4 Miscellaneous 64
A.5 Approvals 64
A–4 Rev. 1.3 65
Appendix B 66
REMOTE CONTROL 66
B.3 EIA-232 67
B.4 Basic Protocol 67
B.5 Packet Structure 68
B.5.1 Start Of Packet 68
B.5.2 Address 68
B.5.3 Instruction Code 69
B.5.5 Message Arguments 70
B.5.6 End Of Packet 70
B–6 Rev. 1.3 71
B–18 Rev. 1.3 83
Rev. 1.3 i–1 84
METRIC CONVERSIONS 86
Units of Length 86
Temperature Conversions 86
Units of Weight 86

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