Comtech EF Data SDM-300L3 Installation And Operation Manual page 11

SDM-300L3 Satellite Modem
Preface
14.8 Bit Error Rate Performance .................................................................................... 14-22
14.8.1 Performance With Noise, Viterbi Decoder, and Closed Network ......................................14-22
14.8.2 Performance With Noise, Viterbi Decoder, and Reed-Solomon (Optional) ......................14-22
14.8.3 Performance With BPSK and {O}QPSK BER Performance..............................................14-22
14.8.4 Performance with Noise Turbo Product Codec (Optional) ................................................14-23
14.8.5 Performance With Noise, 1544 kbps Sequential Decoder and Reed .......................................
Solomon(Optional)..............................................................................................................14-23
14.8.6 Performance With Noise, 56 kbps Sequential Decoder (Optional) ...................................14-23
14.8.7 Performance With Noise, 1544 kbps Sequential Decoder (Optional) ...............................14-24
14.8.8 BER Threshold ..................................................................................................................14-24
14.9 Acquisition Time...................................................................................................... 14-25
14.9.1 Receive Carrier Acquisition Range....................................................................................14-26
14.9.2 Receive Carrier Reacquisition ...........................................................................................14-26
14.9.3 AGC Output .......................................................................................................................14-26
14.9.4 Doppler Tracking Performance..........................................................................................14-26
14.10 Interface Specifications .......................................................................................... 14-27
14.10.1 TX Clock Switching Due to Failure of Selected Clock...................................................14-27
14.10.2 TX Clock Phase Adjustment..........................................................................................14-27
14.10.3 TX Data Phase Adjustment ...........................................................................................14-27
14.10.4 Transmit Clock Source ..................................................................................................14-27
14.10.5 Send Clock Timing Source ............................................................................................14-27
14.10.6 Doppler/Plesiochronous Buffer Clock Source ...............................................................14-28
14.10.7 RX Clock Switching Due to Failure of Selected Clock ..................................................14-28
14.10.8 RX Clock Phase Adjustment .........................................................................................14-28
14.10.9 RX Clock Jitter ...............................................................................................................14-28
14.10.10 RX Data Phase Adjustment...........................................................................................14-28
14.10.11 Buffer Centering.............................................................................................................14-28
14.10.12 Receive Doppler/Plesiochronous Buffer Size................................................................14-29
14.10.13 Switch Faults .................................................................................................................14-29
14.11 Decoding .................................................................................................................. 14-29
14.11.1 BPSK Decoding .............................................................................................................14-29
14.11.2 QPSK Decoding.............................................................................................................14-29
14.11.3 OQPSK Decoding (Optional).........................................................................................14-30
14.11.4 8PSK Decoding .............................................................................................................14-30
14.12 Terrestrial Interface Types...................................................................................... 14-31
14.12.1 EIA-232 Specification ....................................................................................................14-31
14.12.2 V.35 Specification V.10, V.11 Specification, Circuit Supported ....................................14-32
14.12.3 EIA-449/EIA-422 Mil-188-114A Specification................................................................14-33
14.12.4 Optional G.703 with ASYNC (Requires optional Overhead Card) ................................14-33
14.13 Asynchronous Overhead Specification (Optional) .............................................. 14-34
14.13.1 Asynchronous Baud Rates ............................................................................................14-35
14.13.2 Asynchronous Overhead Data Format..........................................................................14-35
14.13.3 Asynchronous Overhead Parameters ...........................................................................14-35
14.13.4 AUPC with Reed-Solomon Option.................................................................................14-35
14.13.5 Turbo AUPC ..................................................................................................................14-36
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MN/SDM300L3.IOM