Model 45DR User Guide
Issue 2, January 2015
Studio Technologies, Inc.
Page 13
Dante Configuration
To integrate the Model 45DR into an ap-
plication a number of Dante-related param-
eters can be configured. At a minimum,
the audio input (receiver) and audio output
(transmitter) channels must be routed. The
configuration settings will be stored in non-
volatile memory within the Model 45DR’s
circuitry. The Model 45DR uses the Ultimo
2-input/2-output integrated circuit to imple-
ment the Dante architecture. This dictates
which parameters can be configured and
what choices are available.
The audio input (receiver) and output
(transmitter) channels associated with the
Model 45DR’s Dante interface must be
assigned to desired sources and destina-
tions. This will typically be done with the
Dante Controller software application which
is available for download free of charge at
www.audinate.com. Versions are available
to support Windows® and OS X® oper-
ating systems. Within Dante Controller a
“subscription” is the term used for routing
a transmitter flow (a group of output chan-
nels) to a receiver flow (a group of input
channels). Note that as of the writing of this
guide the Ultimo integrated circuit limits
the number of Dante flows to two in each
direction (two transmitter and two receiver).
These can either be unicast, multicast, or a
combination of the two.
The Model 45DR has a default Dante de-
vice name of
ST-M45DR
followed by a
unique suffix. The suffix identifies the spe-
cific Model 45DR that is being configured;
it relates to the MAC address of the unit’s
Ultimo integrated circuit. The Model 45DR
provides two Dante output (transmitter)
channels with the default names of
From PL Ch1
and
From PL Ch2
. The
Model 45DR has two Dante input (receiver)
channels with default names of
To PL Ch1
and
To PL Ch2
. Using Dante Controller
these names can be revised as appropriate
for the specific application.
The Model 45DR only supports an audio
sample rate of 48 kHz but does have the
ability to select a pull-up/pull-down value.
This value can be selected using the Dante
Controller application. The Model 45DR
can serve as the clock master for a Dante
network but in most cases that would not
be optimal.
Model 45DR units will typically be used in
either of two configurations: “point-to-point”
or in association with other Dante-enabled
equipment. The first configuration finds
two units working together to “link” two
physical locations. At each location there
will either be an existing party-line inter-
com circuit or a set of user devices. The
two Model 45DR units will be operating
“point-to-point,” interconnected by way of
the associated Ethernet network. For this
application the audio routing would be very
simple.
To PL Ch1
on each unit would be
routed to
From PL Ch1
on the other unit.
And
To PL Ch2
on each unit would be
routed to
From PL Ch2
on the other unit.
The other typical applications will have
one Model 45DR connected to an existing
party-line intercom circuit or supporting
a set of user devices. The unit’s audio
channels would be routed to input and out-
put audio channels on associated Dante-
enabled equipment. For example, the RTS
ADAM matrix intercom system provides
Dante interconnection capability using its
OMNEO interface card. The audio chan-
nels on the Model 45DR would be routed
to and from audio channels on the OMNEO
card. Other equipment that supports Dante,
such as audio consoles or audio interfaces
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