© ROMANTIS 2012 3 www.romantis.com
2.2.6 HTTP interface ........................................................................................................................23
2.2.7 Local access via USB................................................................................................................23
2.2.8 Remote Telnet access .............................................................................................................23
2.2.9 Command interface and command syntax.............................................................................24
2.2.10 Error alerts.........................................................................................................................24
2.3 Interface management ...........................................................................................................25
2.4 Ethernet Interface...................................................................................................................26
2.4.1 ARP Protocol ...........................................................................................................................27
2.5 High-speed demodulator (SCPC Rx)........................................................................................28
2.5.1 Receiving signals from satellite...............................................................................................28
2.5.2 Searching the satellite carrier.................................................................................................29
2.5.3 SCPC demodulator control commands...................................................................................29
2.5.4 Additional commands.............................................................................................................30
2.5.5 Standard sequence for operation with demodulator ............................................................32
2.6 Burst demodulator..................................................................................................................33
2.7 Modulator...............................................................................................................................33
2.8 Controlled SCPC ......................................................................................................................36
2.9 Automatic Transmission Level Control (TLC) for SCPC ...........................................................38
2.10 IP traffic processing and routing.............................................................................................38
2.10.1 SVLAN overview.................................................................................................................38
2.10.2 IP-router ............................................................................................................................38
2.10.3 Router control commands.................................................................................................39
2.10.4 VLAN support.....................................................................................................................41
2.10.5 IP traffic screening.............................................................................................................42
2.10.6 Prioritization and DSCP......................................................................................................43
2.10.7 Multicast routing ...............................................................................................................43
2.10.8 L2 bridging .........................................................................................................................46
2.10.9 DHCP protocol ...................................................................................................................46
2.10.10 Compressing RTP packet headers .....................................................................................47
2.11 Traffic Shaper..........................................................................................................................47
2.12 TCP Acceleration.....................................................................................................................49
2.12.1 Configuration of TCP acceleration.....................................................................................50
2.13 Guidelines for actions in the event of faults during preparation ...........................................50
2.14 Satellite Pointing.....................................................................................................................50
2.14.1 Pointing with HTTP assistance...........................................................................................51
2.14.2 Pointing via management console ....................................................................................51
2.14.3 Pointing with analog reference signal ...............................................................................52
2.14.4 Auto tracking signals during normal operations ...............................................................53
2.15 Operations ..............................................................................................................................53
2.15.1 Modes of operations .........................................................................................................53
2.15.2 Switching between modes of operations..........................................................................53