Manual
Issue 2, August 2015 Model 5204 User Guide
Page 8 Studio Technologies, Inc.
Model 5204
Dual Line Input to Dante Interface
Getting Started
Included in the shipping carton are a
Model 5204 Interface and a printed copy
of this guide. As a device that is Power-
over-Ethernet (PoE) powered, no external
power source is provided. Should a PoE
midspan power injector be required it must
be purchased separately.
Mounting Options
There is no provision for directly mounting
one or more Model 5204 units in an equip-
ment rack. However, the overall height of
the unit was carefully selected so that it
could be placed without interference on a
single space (1U) rack shelf. The Model
5204’s enclosure width allows up to four
units to be placed side-by-side on a 1U
shelf that’s mounted in a standard 19-inch
equipment rack. Hook-and-loop (“Velcro”)
tape can be used to secure the Model 5204
units to the shelf. A set of mounting brack-
ets is available to allow a Model 5204 to be
attached to the underside of a desk, table,
broadcast set, or other flat surface. Contact
Studio Technologies for details.
Connections
In this section signal interconnections will
be made using the connectors located on
the front and back panel of the Model 5204.
An Ethernet data connection with Power-
over-Ethernet (PoE) capability will be made
using either a standard RJ45 patch cable
or an etherCON protected RJ45 plug. Line-
level signal sources will be connected using
the 3.5 mm jack associated with line input
A and the 3-pin XLR connectors associ-
ated with line input B. The USB dedicated
charging port can be connected to power or
charge an external device.
Ethernet Connection
A 100BASE-TX Ethernet connection that
supports Power-over-Ethernet (PoE) is
required for Model 5204 operation. This
one connection will provide both the Ether-
net data interface and power for the Model
5204’s circuitry. A 10BASE-T connection is
not sufficient and a 1000BASE-T (“GigE”)
connection is not supported unless it can
automatically “fall back” to 100BASE-TX
operation. For PoE switch (PSE) power
management the Model 5204 will enumer-
ate itself as a PoE class 3 device.
The Ethernet connection is made by way
of a Neutrik etherCON protected RJ45 con-
nector that is located on the back panel of
the Model 5204. This allows connection by
way of a cable-mounted etherCON plug or
a standard RJ45 plug. The Model 5204’s
Ethernet interface supports auto MDI/MDI-X
so that most cabling implementations will be
correctly supported.
Line Input A
Line input A is intended for connection with
a 2-channel (stereo) unbalanced line-level
analog audio signal source. This will typical-
ly be associated with consumer and semi-
professional devices such as personal
audio players, AV equipment, and tablet
and personal computers. These signals will
typically have a nominal level in the range
of –15 to –10 dBu. Devices are connected
to line input A by way of a 3.5 mm 3-
conductor jack located on the Model 5204’s
front panel. As is standard for 2-channel
(stereo) audio signals present on this type
of connector channel 1 (left) is connected
to the jack’s tip lead, channel 2 (right) to
the jack’s ring lead, and the common con-
nection to the jack’s sleeve.