Installation and Startup Guide
Rio Rancho, NM 3
Introduction
The SPN Conference interface combines the audio
from a telephone line, two codecs and microphones
in the local sound system to provide natural sounding
telepresence and audio conference meetings. A power-
ful AEC (acoustic echo canceller) is provided, which
converges fast enough to follow multi-site bridging and
gain proportional automatic mixing without losing con-
vergence depth. The AEC can handle an unlimited num-
ber of microphones and will re-converge quickly enough
to follow the movement of a wireless microphone.
Three sites can be bridged into a single conference
with one SPN Conference processor. Three additional
sites can be added with another processor with signals
combined into the ASPEN matrix for extensive routing
and processing options.
The outstanding performance of the AEC is further en-
hanced with patented, seamless automatic mixing. The
automatic mixing is applied at the crosspoints in the
matrix, which allows each signal source to exhibit a dif-
ferent behavior at the system outputs. This is useful, for
example, when the signal must participate in the confer-
ence using one of several automatic mixing modes on
some outputs, and be recorded with no processing on
other outputs.
Every input includes a dynamic noise reduction filter to
enhance dynamic signals and suppress steady state
noise. This unique algorithm is a single ended, frequen-
cy selective process that significantly reduces noise
from one or multiple sources. It is especially useful with
noisy teleconference connections.
For convenience, a TCP/IP addressable Ethernet port
and built in power amplifier are included.
This manual covers hardware installation and wir-
ing and the installation of ASPEN software. Once the
processor is communicating with a computer, refer to
the Help files in the software control panel for additional
setup and configuration settings.
Inspection of the Unit
Compare the packing list enclosed with the unit with
the original order. Inspect all items for damage. Im-
mediately call 1-800-821-1121 to report any items that
are missing or damaged. The sooner you notify us,
the sooner you will get any needed replacement items
shipped to your location.
*Crestron®is a registered trademark
of Crestron Electronics, Inc.
Table of Contents
Important Safety Instructions......................................................2
Controls and Features ................................................................4
Front Panel .................................................................................4
Rear Panel..................................................................................5
Hardware Installation..................................................................6
Installing the chassis into a rack.................................................6
Cables .......................................................................................6
Audio Connectors ......................................................................6
Audio Inputs – Unbalanced ........................................................6
Audio Inputs – Balanced.............................................................6
Audio Outputs.............................................................................7
Telephone Line Jack ...................................................................7
Programmable Inputs .................................................................7
CODEC and TEL Remote Control Ports.....................................7
Power Amp Outputs....................................................................8
Programmable Outputs...............................................................8
ASPEN RS-232 Port...................................................................9
Connecting the Master for the First Time ...................................9
Cabling Of Stacked Units............................................................9
Software and Firmware Updates..............................................10
Creating an ASPEN Installer Disk ............................................10
Firmware Update Procedure ....................................................11
MCU Recovery from Interrupted Firmware Update Procedure 11
Software Installation .................................................................12
USB Driver Installation .............................................................13
Minimum Setup.........................................................................14
Stacking Multiple Units .............................................................16
Refer to the Help Files..............................................................16
Multi-site Bridging Setup...........................................................17
AEC Reference Mix ..................................................................17
AEC Signal Mix.........................................................................18
Enable the AEC and Define the Inputs.....................................18
SEND Mixes .............................................................................19
LOCAL Mixes ...........................................................................20
The Finished Setup ..................................................................21
Service and Repair...................................................................22
Returning Units for Repair........................................................22
