Studio Technologies 5132 2014 - Manual (Page 5)

Model 5132 User Guide Issue 5, October 2014
Studio Technologies, Inc. Page 5
Model 5132
Party-Line Interface Module
Introduction
The Model 5132 Party-Line Interface Mod-
ule is a compact, self-contained unit for
use in custom broadcast, live-performance,
and general party-line intercom applica-
tions. The module provides a high-quality
2-channel party-line to analog line-level
(“4-wire”) audio signal interface in an easy
to use yet technically sophisticated pack-
age. The module’s basic functions include
two channels of 2-wire-to-4-wire conversion
with auto-null capability, input and output
level metering, a +28 volt DC party-line
power source with two channels of 200 ohm
intercom audio termination, and DC out-
put control and status monitoring. With the
internal party-line power source enabled,
beltpack user devices can be directly con-
nected. Alternatively, the Model 5132 can
be connected into an existing party-line
circuit that includes a power source and
intercom audio terminations. Two analog
inputs and two analog outputs interface the
Model 5132 with a variety of external audio
transport, matrix intercom, and infrastruc-
ture equipment. Module operation requires
only an externally-provided source of 12
volts DC. Advanced features include remote
control and monitoring capability when
installed with a Studio Technologies’ Model
5190 Remote Access Module.
Applications for the Model 5132 include
sports broadcasting booth packages,
remote news gathering “fly packs,” stadium
audio/video interface (I/O) locations, and
government/corporate/performance space/
aerospace test infrastructure projects. The
number of Model 5132 modules used in a
project can vary widely—from one to doz-
ens. And in each case the performance will
be completely “pro” with audio quality, reli-
ability, and installation flexibility matching
that of larger-scale products. Typical appli-
cations will find the Model 5132’s line-level
audio inputs and outputs being interfaced
with fiber-optical transport modules, matrix
intercom systems, and audio/video routers.
The flexibility of the Model 5132’s party-
line intercom interface allows direct con-
nection to either intercom beltpack devices
or an existing party-line intercom circuit.
The Model 5132 provides a full-featured
2-channel interface which includes two
2-wire-to-4-wire hybrid circuits with auto-
matic nulling capability. The analog hybrid
circuitry provides excellent audio quality
and high return-loss. Audio level meters
provide confirmation of system perfor-
mance during setup and operation. The
Model 5132’s party-line interface is acces-
sible using a 3-pin male XLR connector.
This allows industry-standard party-line
Figure 1. Model 5132S Party-Line Interface Module Front and Back Views