Specifications

SDM-650B Satellite Modem Table of Contents
Rev. 5 xv
F.5.2.3.1 Modulator Faults (Mod_FLTS) .............................................................................................F–31
F.5.2.3.2 Demodulator/Decoder Faults (Dmd_Flts) .............................................................................F–31
F.5.2.3.3 Common Equipment Faults (CEq_Flts).................................................................................F–31
F.5.2.3.4 Transmit Faults (TX_INTF) ..................................................................................................F–32
F.5.2.3.5 Receive Faults (RX_INTF)....................................................................................................F–32
F.5.2.4 Select Stored Faults (StFaults) ......................................................................................................F–33
F.5.2.5 Select Remote................................................................................................................................F–34
F.5.2.5.1 Remote Configuration............................................................................................................F–34
F.5.2.5.2 Remote Monitor.....................................................................................................................F–34
F.5.2.6 Select Utility..................................................................................................................................F–35
APPENDIX G. TROJAN INTERFACE ...................................................................... G–1
G.1 Functional Description ..............................................................................................................................G–1
G.2 Connector Pinouts......................................................................................................................................G–5
G.3 Specification................................................................................................................................................G–6
G.3.1 MIL-STD-188-114 Parameters.............................................................................................................G–6
G.3.2 Clock Synthesizer/Dejitter Circuit........................................................................................................G–6
G.3.3 Doppler Buffer Parameters ................................................................................................................... G–6
G.4 Configuration Guide..................................................................................................................................G–7
G.4.1 Modulator/Coder Defaults ....................................................................................................................G–7
G.4.2 Demodulator/Decoder Defaults (Dmd_Flts).........................................................................................G–8
G.4.3 Interface Defaults.................................................................................................................................. G–8
G.5 Front Panel Operation...............................................................................................................................G–9
G.5.1 Menus and Options Overview .............................................................................................................. G–9
G.5.2 Menu Explanations ............................................................................................................................. G–14
G.5.2.1 Select Configuration....................................................................................................................G–14
G.5.2.2 Select Monitor .............................................................................................................................G–14
G.5.2.3 Select Faults.................................................................................................................................G–14
G.5.2.3.1 Modulator Faults (Mod_Flts)............................................................................................... G–14
G.5.2.3.2 Demodulator/Decoder Faults (Dmd_Flts)............................................................................ G–14
G.5.2.3.3 Common Equipment Faults (CEq_Flts) ............................................................................... G–14
G.5.2.4 Select Stored Faults (StFaults) ....................................................................................................G–15
G.5.2.5 Select Utility................................................................................................................................ G–15
G.6 Remote Control Operation......................................................................................................................G–16
G.6.1 General................................................................................................................................................G–16
G.6.1.1 Message Structure........................................................................................................................ G–16
G.6.1.1.1 Start Character ...................................................................................................................... G–17
G.6.1.1.2 Device Address .................................................................................................................... G–17
G.6.2 Command/Response............................................................................................................................G–18
G.6.3 End Character .....................................................................................................................................G–18
G.6.4 Configuration Commands/Responses ................................................................................................. G–19
G.6.4.1 Modulator .................................................................................................................................... G–19
G.6.4.1.1 Set Modulator Frequency.....................................................................................................G–19
G.6.4.1.2 Set RF Output....................................................................................................................... G–19
G.6.4.1.3 Modulator Rate.....................................................................................................................G–20
G.6.4.1.3.1 Modulator Filter Rate Assignment................................................................................G–20
G.6.4.1.3.2 Select Modulator Rate...................................................................................................G–21