Comtech EF Data DMD50 Installation And Operation Manual page 11

Table of Contents
DMD50 Universal Satellite Modem
3.14.12 Operational References ................................................................................................... 3-37
3.14.13 Carrier-in-Carrier Link Budget Calculation .................................................................... 3-37
3.14.14 Estimating PSD Ratio ..................................................................................................... 3-38
3.14.14.1 Estimating PSD Ratio from LST .................................................................................... 3-38
3.14.14.2 Estimating PSD Ratio from Satmaster ............................................................................ 3-39
3.14.14.3 Estimating PSD Ratio Using Spectrum Analyzer ........................................................... 3-39
3.14.15 DoubleTalk Carrier-in-Carrier Specifications ................................................................. 3-40
3.14.16 Carrier-in-Carrier Summary ............................................................................................ 3-40
3.14.17 Glossary .......................................................................................................................... 3-41
3.15 Satellite Control Channel (SCC) ............................................................................................. 3-43
3.15.1 SCC Framing Structure ....................................................................................................... 3-43
3.15.2 1 1 5 B A ggregate Data Rate ........................................................................................................... 3-45
3.15.3 Overhead Rate Comparison ................................................................................................ 3-45
3.15.4 Actual Overhead Rate Calculation ...................................................................................... 3-46
3.15.5 SCC Overhead Channel Setup ............................................................................................ 3-47
3.16 EDMAC Satellite Framing/Deframing Mode ......................................................................... 3-48
3.17 Locating the ID Code Operational Procedure........................................................................ 3-48
3.18 Strap Codes ................................................................................................................................ 3-48
CHAPTER 4.
4.1 User Interfaces ............................................................................................................................ 4-1
4.2 Front Panel User Interface ......................................................................................................... 4-1
4.2.1 LCD Front Panel Display ...................................................................................................... 4-2
4.2.2 Cursor Control Arrow Keys .................................................................................................. 4-2
4.2.3 Numeric Keypad ................................................................................................................... 4-2
4.2.4 Front Panel LED Indicators .................................................................................................. 4-3
4.3 Parameter Setup .......................................................................................................................... 4-4
4.4 Front Panel Control Screen Menus ........................................................................................... 4-4
4.4.1 Main Menus .......................................................................................................................... 4-4
4.4.2 Modulator Menu Options and Parameters ............................................................................ 4-5
4.4.3 Demodulator Menu Options and Parameters ...................................................................... 4-11
4.4.4 Interface Menu Options and Parameters ............................................................................. 4-16
4.4.5 Monitor Menu Options and Parameters .............................................................................. 4-21
4.4.6 Alarms Menu Options and Parameters ............................................................................... 4-23
4.4.7 System Menu Options and Parameters ............................................................................... 4-32
4.4.8 Test Menu Options and Parameters .................................................................................... 4-41
4.5 Terminal Mode Control............................................................................................................ 4-42
4.5.1 Modem Terminal Mode Control ......................................................................................... 4-43
4.5.2 Modem Setup for Terminal Mode ...................................................................................... 4-43
4.6 Terminal Port User Interface ................................................................................................... 4-43
4.7 Connecting the Terminal .......................................................................................................... 4-44
USER INTERFACES............................................................................ 4-1
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MN-DMD50