Studio Technologies 45DR, User Manual

Page: 14 / 23

Issue 2, January 2015 Model 45DR User Guide
Page 14 Studio Technologies, Inc.
(Dante-to-MADI, Dante-to-SDI, etc.), can
have their audio channels routed to and
from a Model 45DR.
Operation
At this point the Model 45DR should have
its party-line and Ethernet connections
made. Depending on the application an
external 12 volt DC power connection may
have also been made. The Dante input
(receiver) and output (transmitter) channels
should have been routed using the Dante
Controller software application. Normal op-
eration of the Model 45DR can now begin.
Initial Operation
The Model 45DR will begin its initial func-
tioning a few seconds after its power
source is connected. As previously dis-
cussed, the power source can be provided
by Power-over-Ethernet (PoE) or an exter-
nal source of 12 volts DC. If both are con-
nected the PoE source will power the unit.
Should PoE subsequently no longer be
available, operation will continue using the
external source.
Upon Model 45DR power up many of the
status and meter LEDs will activate in test
sequences. The PoE and USB LEDs, lo-
cated on the back panel, will light one after
another. On the front panel the input power,
channel status, and level meter LEDs will
light in a sequence. Once the test sequenc-
es have completed two columns of front-
panel level meter LEDs will momentarily
display the version number of the unit’s
firmware (embedded software.) Details on
how to “read” the version number is pro-
vided in the Technical Notes section of this
guide.
The Model 45DR will now begin normal
operation. The way in which the LINK/ACT,
SYS, SYNC, and PoE LEDs (all located on
the back panel below the Ethernet con-
nector) light will depend on characteristics
related to the connected Ethernet signal
and the configuration of the unit’s Dante
interface. Details will be covered in the next
paragraph. The user is presented on the
front panel with one pushbutton switch,
two input power status LEDs, four channel
status LEDs, and four 5-segment LED level
meters. These resources are simple to op-
erate and understand, as will be described
in later paragraphs.
Ethernet, PoE, and Dante
Status LEDs
Four status LEDs are located below the
Ethernet connector on the Model 45DR’s
back panel. The LINK/ACT LED will light
green whenever an active connection to
a 100 Mb/s Ethernet network has been
established. It will flash on and off in re-
sponse to data packet activity. The PoE
LED will light green whenever Power-
over-Ethernet (PoE) associated with the
connected Ethernet signal is providing
operating power for the Model 45DR. The
SYS and SYNC LEDs display the operating
status of the Dante interface and associ-
ated network. The SYS LED will light red
upon Model 45DR power up to indicate
that the Dante interface is not ready. After
a short interval it will light green to indicate
that it is ready to pass data with another
Dante device. The SYNC LED will light red
when the Model 45DR is not synchronized
with a Dante network. It will light solid
green when the Model 45DR is synchro-
nized with a Dante network and an external
clock source (timing reference) is being re-
ceived. It will slowly light on and off green