Specifications

SDM-300L3 Satellite Modem Revision 0
Preface MN/SDM300L3.IOM
x
15.14 IBS (Optional with Overhead Card).................................................................................15–36
15.14.1 IBS Primary Data Interfaces .........................................................................................15–36
15.14.2 IBS Clock and Dejitter..................................................................................................15–36
15.14.3 IBS Framing..................................................................................................................15–36
15.14.4 IBS Engineering Service Channel.................................................................................15–37
15.14.5 IBS Scrambling.............................................................................................................15–37
15.15 Drop and Insert (Optional with Overhead Card)............................................................15–37
15.15.1 D&I Primary Data Interfaces ........................................................................................15–38
15.15.2 D&I Framing.................................................................................................................15–38
15.16 IDR (Optional with Overhead Card) ................................................................................15–38
15.16.1 IDR Primary Data Interfaces.........................................................................................15–39
15.16.2 IDR Framing.................................................................................................................15–39
15.16.3 IDR Engineering Service Channel................................................................................15–39
15.16.4 Optional: Dual 32 Kpps ADPCM (2XASPCM Audio) ................................................15–39
15.17 System Specifications..........................................................................................................15–40
15.17.1 Loopback Modes...........................................................................................................15–40
15.17.2 Test Modes....................................................................................................................15–40
15.17.3 Remote Control.............................................................................................................15–41
15.17.4 Modem Remote Address...............................................................................................15–41
15.17.5 Monitored Signals.........................................................................................................15–41
15.18 Stored Faults........................................................................................................................15–42
15.19 Stored Configurations.........................................................................................................15–42
15.20 Interoperability Modes.......................................................................................................15–42
CHAPTER 16. BUC FSK COMMUNICATIONS ....................................................................16–1
16.1 Introduction...............................................................................................................................16–1
16.1.1 Transmission Interface........................................................................................................16–2
16.2 Message Structure.....................................................................................................................16–2
16.2.1 Command Message Structure (IDU to ODU).....................................................................16–2
16.2.2 Response Message Structure (BUC to IDU).......................................................................16–3
16.3 Power Class................................................................................................................................16–3
APPENDIX A. REMOTE CONTROL OPERATION ............................................................... A–1
A.1 General........................................................................................................................................A–1
A.2 Message Structure......................................................................................................................A–2
A.2.1 Start Character ..................................................................................................................... A–2
A.2.2 Device Address.................................................................................................................... A–2
A.2.3 Command/Response.............................................................................................................A–3