Comtech EF Data C5 - Manual (Page 13)

C5/K1/K3 Integrated Satellite Terminal System Table of Contents
Rev. 0 ix
4.1.3.10 Remote AUPC .......................................................................................................................... 4–41
4.1.3.10.1 Remote AUPC Configuration ............................................................................................. 4–41
4.1.3.10.2 Remote AUPC Monitor ...................................................................................................... 4–41
4.1.3.11 Utility........................................................................................................................................ 4–43
4.1.3.11.1 Utility Modulator ................................................................................................................ 4–45
4.1.3.11.2 Utility Demodulator ............................................................................................................ 4–49
4.1.3.11.3 Utility Interface ................................................................................................................... 4–51
4.1.3.11.4 Utility System...................................................................................................................... 4–56
4.1.3.11.5 Utility Modem Type Functions ........................................................................................... 4–62
4.1.3.11.6 Utility Factory Setup ........................................................................................................... 4–65
4.2 Software Configuration ........................................................................................................................... 4–68
4.2.1 Modem Types.................................................................................................................................... 4–68
4.2.1.1 EFD Closed Network Operation............................................................................................... 4–68
4.2.1.2 Custom Operation..................................................................................................................... 4–69
4.2.1.3 ASYNC/AUPC Operation ........................................................................................................ 4–70
4.3 Revision Emulation Operation................................................................................................................ 4–71
4.4 Clocking Options...................................................................................................................................... 4–71
4.4.1 EIA-232, EIA-422, or V.35 Master/Master....................................................................................... 4–71
4.4.2 EIA-232, EIA-422, or V.35 Master/Slave......................................................................................... 4–72
4.5 Buffering ................................................................................................................................................... 4–75
4.5.1 Buffer Size ........................................................................................................................................ 4–77
4.5.1.1 Doppler..................................................................................................................................... 4–78
4.5.1.2 Plesiochronous.......................................................................................................................... 4–79
4.5.1.3 Frame/Multiframe Length......................................................................................................... 4–80
4.5.1.4 Total Buffer Length .................................................................................................................. 4–80
4.5.2 Converting Between Bits and Seconds.............................................................................................. 4–80
4.5.2.1 Bits to Seconds ......................................................................................................................... 4–80
4.5.2.2 Seconds to Bits ......................................................................................................................... 4–80
4.6 Initial Defaults.......................................................................................................................................... 4–81
CHAPTER 5. THEORY OF OPERATION ...................................................................5-1
5.1 Satellite Terminal System........................................................................................................................... 5-1
5.2 SDT-5200 Satellite Data Terminal............................................................................................................. 5-2
5.2.1 Monitor and Control (M&C)................................................................................................................ 5-2
5.2.2 Theory of Operation ............................................................................................................................. 5-2
5.2.3 Remote Baud Rate................................................................................................................................ 5-5
5.2.4 Remote Address ................................................................................................................................... 5-5
5.2.5 SDT-5200 Custom Modem Defaults .................................................................................................... 5-5
5.3 Modulator.................................................................................................................................................... 5-6
5.3.1 Modulator Specifications ..................................................................................................................... 5-7
5.3.2 Theory of Operation ............................................................................................................................. 5-7
5.3.3 Theory of Modulation Types................................................................................................................ 5-8
5.3.3.1 BPSK Encoding........................................................................................................................... 5-9
5.3.3.2 QPSK Encoding .......................................................................................................................... 5-9