Understanding
Auto
Transport
Mux
Rate
Auto
Transport
Mux
Rate
(TMR)
is
a
feature
of
Adtec
EN-Series
built
with
the
optional
modulator.
This
feature
will
automatically
configure
the
overall
data
rate
of
the
encoder
(its
TMR;Transport
Mux
Rate),
based
upon
its
Modulator
configuration.
In
other
words,
when
the
modulator
Transmit
configuration
is
set
to
'ENABLED',
the
encoder’s
TMR
becomes
the
Modulator's
configured
Interface
Rate.
The
TMR
is
a
key
configuration
for
modulator
functionality
and
must
match
the
modulator
interface
rate.
Please
note
that
the
configured
video
and
audio
data
rates
must
be
lower
than
the
targeted
modulation
data
rate
for
this
feature
to
work
properly.
For
example,
HD
Video
(3Mbps)
+
8
pairs
of
Mpeg1
Layer2
@
384Kbps
(
3.072Mbps
)
=
~6.2Mbps.
The
TMR
will
not
fit
into
a
3MBaud
DVB-S
QPSK
3/4
modulation
configuration
(
As
3Mbaud
with
this
settings
would
only
support
a
data
rate
of
4.14Mbps).
In
this
case,
additional
audios
would
need
to
be
turned
off
or
rates
adjusted
to
meet
the
4.14Mbps
modulation
data
requirement.
