INTRODUCTION
VORTEX EF2201 Reference Manual 2 Technical Support: 800.932.2774
I
NTRODUCTION
Welcome Congratulations on your purchase of the Vortex EF2201!
How to Use This
Manual
This is a reference manual for your EF2201. It is structured to provide the informa-
tion you need quickly and conveniently. The following is an overview of each sec-
tion:
• Introduction
• Pre-Installation includes information about the contents of the box, tools needed
for installation and front and rear panel descriptions.
• Installation covers connections of inputs/outputs and calibration of inputs of the
EF2201.
• Integrating the EF2201 Into Your System describes adjustments to take into con-
sideration when integrating the EF2201 with surrounding equipment in your sys-
tem.
•LCD Menu Structure describes an overview of the LCD menu structure and also
gives a system overview of features and options available.
• Troubleshooting helps to debug problems with installation.
• Technical Specifications provides the technical specifications of the EF2201.
• EF2201 Block Diagram shows the inside of the EF2201.
• Connector Pinouts shows pinout diagrams for EF2201 input and output connec-
tors.
• Warranty Information
• Definition of Terms explains terms used in this manual, as well as terms used in
our technology of echo cancellation, noise cancellation, and audio conferencing.
About the EF2201 The Vortex EF2201 is the next generation of “digital hybrid” telephone interfaces. It
features a complete digital interface to other Vortex products using the digital expan-
sion bus. The EF2201 interfaces telephone audio to the Vortex family of products
and allows up to 8 callers to be added to the same conference by using 8 EF2201s.
Telephony signals are communicated with Vortex devices over the digital “P-bus”
channel of the EF Bus without the need for an analog input and output. The EF2201
can be controlled via RS-232, Vortex Expansion bus, and via the front panel controls.
The EF2201 has audible ring indications, user configurable entry and exit tones, and
controllable levels of DTMF and dialtone signals. The EF2201 settings are config-
ured using the Conference Composer software and can be stored as user presets
within the EF2201.
The EF2201 connects directly to an analog (PSTN) telephone line, connecting an out-
side caller to your meeting. In addition to providing crystal-clear telephone audio to
all participants, the EF2201 significantly reduces background noise coming in on the
telephone line to keep unwanted sounds from interfering with your conference.
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General
Weight and Dimensions
