User's Manual Part 3

Screen Service SDT 501 UB-C ARK 1-T Operations
May, 2010 v 1.0 Page 3 - 45
3.4.7 Network Synchronization parameters setting
Four Network Synchronization modes are available:
• Multi Frequency Network mode using local parameters (MFN):
The transmitter is not synchronized with any network. No input MIP is
needed and Clock Reference can be internal.
• Multi Frequency Network mode using MIP parameters (MFN MIP):
The transmitter is not synchronized with any network but MIP sets the
modulation parameters. Input MIP is needed and Clock Reference can
be internal.
• Single Frequency Network mode (SFN): The transmitter is
synchronized with a Network of transmitters on the same frequency.
MIP is needed and Clock Reference must be external or GPS.
• Single Frequency Network mode using local parameters (SFN
Local): The transmitter is synchronized with a Network of transmitters
but for testing purposes the modulation parameters are set locally.
Input MIP is needed for 1PPS synchronization and Clock Reference
must be external or GPS.
The following table provides a description of the available parameters setting
for the network modes.
Table 8. Network Synchronization parameters setting
Parameters MFN SFN MFN + MIP SFN Local
Mode Local MIP MIP Local
Constellation Local MIP MIP Local
FEC HP Local MIP MIP Local
FEC LP Local MIP MIP Local
Transmission Local MIP MIP Local
Time Slicing
HP
Local MIP MIP Local
Time Slicing
LP
Local MIP MIP Local
Guard Time Local MIP MIP Local
BW Local MIP MIP Local
Alpha Local MIP MIP Local
Input HP Local Local Local Local
Input LP Local Local Local Local
Interleaver
Local (for 8k
mode only native)
MIP MIP
Local (for 8k
mode only
native)
MPE FEC HP Local MIP MIP Local
MPE FEC LP Local MIP MIP Local
Cell Id enable Local Local Local Local
Cell Id
Local (only if
enabled)
MIP or Local
(only if enabled)
Function from MIP
can be enabled or
disabled
MIP or Local
(only if enabled)
Function from MIP
can be enabled or
disabled
Local (only if
enabled)
Frequency
Offset
Local
MIP or Local
(only if enabled)
Function from MIP
can be enabled or
disabled
MIP or Local
(only if enabled)
Function from MIP
can be enabled or
disabled
Local