Studio Technologies 216 - Manual (Page 25)

Model 216 User Guide Issue 1, July 2014
Studio Technologies, Inc. Page 25
connector locations are specifically includ-
ed so that a Model 216 can be customized
to meet the many specific needs that arise
in broadcast and related audio applica-
tions. Expected uses for these locations
include adding a 6- or 7-pin XLR connec-
tor to allow direct connection of a broad-
cast headset. Other uses include creating
a “loop through” or “mult” function for the
microphone input or headphone output
connections. A number of interface cable
assemblies, along with some special func-
tion kits, are available from Studio Tech-
nologies. Please refer to the website for
details on what is available.
The spare connector locations are com-
patible with the Neutrik DL-series of con-
nectors. For flexibility, XLR versions are
available that provide from three to seven
contacts. For example, a compatible 3-pin
female connector would be Neutrik part
number NC3FD-L-1. The NC6FDS-L-1 is
often used to support headsets. This is a
6-pin female connector with the unique
Switchcraft® 6-pin arrangement. Other
connectors, such as the etherCON pro-
tected RJ45 and 3-conductor ¼-inch jack,
can be also be installed. The 4-40 thread-
pitch hardware that secures the blank
plates to the Model 216’s back panel are
also intended to secure the replacement
connectors.
If connectors are added to the Model
216’s spare connector locations adding
labels to them can be helpful. For a great
look it is recommended that Brother®
P-Touch ¼-inch (6 mm) labels be created.
Tape material that prints white text on a
black background works out well for the
Model 216. The Brother label cassette
number TX-3151, white on black, is appro-
priate for use with many of their printers.
The Model 216’s enclosure must be dis-
assembled prior to installing connectors in
the spare locations. Four hex-head ma-
chine screws, two on the bottom front of
the enclosure and two on the back panel,
must be removed. A 5/64-inch hex driver
is required. The cover can then be care-
fully separated from the chassis, remain-
ing attached by means of a flexible cable
assembly. This “flex-cable” assembly links
the main printed circuit board assembly
with the board assembly that contains the
pushbutton switches and LED indicators.
Ensure that the flex cable is not damaged
while the Model 216 is being customized.
3-Position Headers
In addition to the spare connector loca-
tions on the back panel, provision has
been made to allow easy interconnection
with the Model 216’s printed-circuit-board-
mounted input and output connectors.
This was accomplished by including sev-
eral 3-position male “header” connectors
on the Model 216’s circuit board. These
headers, on 0.1-inch centers, are wired in
parallel with some of the Model 216’s con-
nectors. This “no solder” solution makes
customizing a Model 216 a simple pro-
cess. The headers, located on the Model
216’s printed circuit board, are Molex®
part number 22-23-2031. They mate with
Molex housing number 22-01-3037. To
make the interconnection, separate crimp
terminals are attached to three loose wires
and then “snapped” into the housing.
Molex part number 08-50-0114 specifies
crimp terminals that are appropriate for
22 to 30 gauge wires. These terminals are
available worldwide from sources such as
Digi-Key (www.digikey.com).