SDM-2020 Satellite Demodulator Revision 4
Preface MN/SDM2020D.IOM
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CHAPTER 10. ECL/HSSI INTERFACE ................................................................... 10–1
10.1 ECL/HSSI Interface.............................................................................................................................10–1
10.1.1 Applicable Documents.......................................................................................................................10–2
10.1.2 Description.........................................................................................................................................10–2
10.1.3 Specifications.....................................................................................................................................10–2
10.1.4 Terrestrial (User) Data Interface........................................................................................................10–3
10.1.4.1 Terrestrial Transport Protocols .................................................................................................10–3
10.1.4.2 Terrestrial Signal Definition .....................................................................................................10–6
10.1.4.3 Terrestrial Extended Signal Definitions....................................................................................10–9
10.1.4.4 Terrestrial Data Rate .................................................................................................................10–9
10.1.4.5 Terrestrial Electrical Characteristics .......................................................................................10–10
10.1.4.6 Terrestrial Timing ...................................................................................................................10–10
10.1.4.7 Terrestrial TX Clock Phase.....................................................................................................10–12
10.1.4.8 Terrestrial RX Clock Phase.....................................................................................................10–12
10.1.5 Monitor and Control Functions........................................................................................................10–12
10.1.5.1 System Implementation...........................................................................................................10–12
10.1.5.2 Faults.......................................................................................................................................10–13
10.1.5.3 ECL/HSSI Interface Front Panel Menus.................................................................................10–13
10.1.5.4 ECL/HSSI Interface Remote Control Commands...................................................................10–13
CHAPTER 11. G.703 INTERFACE.......................................................................... 11–1
11.1 G.703 Interface .....................................................................................................................................11–1
11.1.1 Applicable Documents.......................................................................................................................11–1
11.1.2 Description.........................................................................................................................................11–2
11.1.3 Specifications.....................................................................................................................................11–4
11.1.4 Receive Specifications.......................................................................................................................11–5
11.1.4.1 Receive Data Rate 1.544 Mbps Specifications .........................................................................11–5
11.1.4.2 Receive Data Rate 2.048 Mbps Specifications .........................................................................11–6
11.1.4.3 Receive Data Rate 6.312 Mbps Specifications .........................................................................11–6
11.1.4.4 Receive Data Rate 8.448 Mbps Specifications .........................................................................11–6
11.1.4.5 Receive Data Rate 32.064 Mbps Specifications .......................................................................11–7
11.1.4.6 Receive Data Rate 34.368 Mbps Specifications .......................................................................11–8
11.1.4.7 Receive Data Rate 44.736 Mbps Specifications .......................................................................11–8
11.1.4.8 Receive Data Rate 51.840 Mbps Specifications .......................................................................11–9
11.1.5 Receive Doppler/Plesiochronous Buffer Specification......................................................................11–9
11.1.5.1 Buffer Size ................................................................................................................................11–9
11.1.5.2 Frame Structures .......................................................................................................................11–9
11.1.5.3 Buffer Clock Sources................................................................................................................11–9
11.1.5.4 Buffer Clock Backup ................................................................................................................11–9
11.1.5.5 Buffer Centering .....................................................................................................................11–10
11.1.5.6 General Receive Specifications...............................................................................................11–10
11.1.6 Interface Loop - Through.................................................................................................................11–11
11.1.7 Test Modes ......................................................................................................................................11–12
11.1.8 Terrestrial Interface Types...............................................................................................................11–13
11.1.8.1 Send Data (SD), Receive Data (RD), and External Clock Connectors J3, J4,& J6.................11–13
11.1.8.2 Auxiliary Functions Connector, J5 .........................................................................................11–13
11.1.9 Environmental Requirements...........................................................................................................11–14
11.1.10 G.703 Interface Front Panel Menus.................................................................................................11–14
11.1.11 G,.703 Remote Interface Commands...............................................................................................11–14
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