Lectrosonics SPNTWB User Manual
SPNTWB
Trio Conference Interface
Wideband Bridging
INSTALLATION and STARTUP GUIDE
Software and Hardware Installation and Setup
IMPORTANT
See page 14 for
Minimum Setup Requirements
Visit the ASPEN Support web site:
www.lectrosonics.com/aspensupport/
Also link from the home page: www.lectrosonics.com
Fill in for your records:
Serial Number:
Purchase Date:
Rio Rancho, NM, USA
www.lectrosonics.com
SPNTWB
2
LECTROSONICS, INC.
Important Safety Instructions
Installation and Startup Guide
This symbol, wherever it appears, alerts
you to the presence of uninsulated dangerous voltage inside the enclosure -- voltage
that may be sufficient to constitute a risk of
shock.
This symbol, wherever it appears, alerts
you to important operating and maintenance instructions in the accompanying
literature. Please read the manual.
When using your telephone equipment, basic safety
precautions should always be followed to reduce the
risk of fire, electric shock and injury to persons, including the following:
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with a dry cloth.
7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9) Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug
has two blades and third grounding prong. The wider
blade or the third prong are provided for your safety.
If the provided plug does not fit into your outlet,
consult an electrician for replacement of the obsolete
outlet.
10) Protect the power cord from being walked on or
pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11) Only use attachments/accessories specified by the
manufacturer.
12) Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use
caution when moving the cart/apparatus combination to avoid injury from
tip-over.
13) Unplug this apparatus during lightning storms or
when unused for long periods of time.
14) Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or
plug is damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate
normally, or has been dropped.
15) WARNING -- TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
16) The AC mains plug, or appliance coupler shall be
readily available to the operator as a means of power
disconnection, if applicable.
17) Unit shall be connected to a MAINS socket outlet
with a protective earthing connection.
18) Do not use this product near water for example, near
a bathtub, washbowl, kitchen sink or laundry tub, in a
wet basement or near a swimming pool.
19) Avoid using a telephone (other than a cordless type)
during an electrical storm. There may be a remote
risk of electric shock from lightning.
20) Do not use the telephone to report a gas leak in the
vicinity of the leak.
21) Use only the power cord and batteries indicated in
this manual. Do not dispose of batteries in a fire.
They may explode. Check with local codes for possible special disposal instructions.
22) “CAUTION: To reduce the risk of fire, use only No.
26 AWG or larger (e.g., 24 AWG) UL Listed or CSA
Certified Telecommunication Line Cord”
SAVE THESE INSTRUCTIONS
Inspection of the Unit
Compare the packing list enclosed with the unit with the
original order. Inspect all items for damage. Immediately
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.
Rio Rancho, NM
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SPNTWB
Introduction
The SPNTWB combines the circuit board assemblies
from the SPN812 and SPNCWB in a 2RU chassis to
provide a complete, stand-alone component for telepresence and audio conferencing systems. The unit can
also be used with additional ASPEN processors to add
additional inputs and outputs. Setup and adjustments
can be made using the control panel software or the
front panel LCD interface. Inputs and outputs appearing
on the LCD have been consolidated into logical groups
to simplify navigation.
The far end audio signals in a conference participate in
the automatic mixing algorithm in same manner as local
microphones connected to the processor. Three sites
connected via two codecs and a telephone line can be
bridged into a single conference with the local site.
The ASPEN acoustic echo canceller was developed to
address the need for a single acoustic echo canceller
that could handle the challenges of multi-site bridging
and an unlimited number of microphones. The AEC
converges very quickly, then continues to increase the
cancellation depth at every opportunity as a conference
continues. Cancellation depth will increase even with
brief signal peaks from the far end, and convergence
will never be lost with any type of signal or in double talk
situations.
Signals from the far ends of the conference are routed
to the local sound system as well as serving as the
reference signal for the AEC. Audio from the local microphones (which includes far end audio from the local
loudspeakers) is routed to the AEC via a second final
mix. Far end audio present in the microphone signal mix
is cancelled, and the output of the AEC is routed back
to the far ends through the matrix.
The AEC in combination with the patented gain proportional mixing algorithm* provides outstanding audio
quality without echo heard at the far ends.
An ethernet port is provided for setup and control via
standard network connections, and an RS-232 port is
provided for use with remote control systems. The design allows simultaneous, multi-point third party control.
A two channel power amplifier is included for loudspeakers in the local sound system. The power amplifier
is driven by final mix outputs from the matrix and has a
full set of signal processing, including parametric EQ,
compressor and limiter. Class-D amplification is implemented with a late generation component that provides
exceptional efficiency, low heat and excellent audio
performance. The amplifier cannot be damaged by wiring errors.
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LECTROSONICS, INC.
Installation and Startup Guide
Table of Contents
IMPORTANT ............................................................................1
Important Safety Instructions...............................................3
Inspection of the Unit ............................................................3
Introduction ............................................................................4
Front Panel .............................................................................6
Rear Panel ..............................................................................7
Hardware Installation ............................................................8
Installing the chassis into a rack ..........................................8
Cables .................................................................................8
Audio Connectors ...............................................................8
Audio Inputs – Unbalanced ..................................................8
Audio Outputs ......................................................................9
Programmable Inputs ...........................................................9
Programmable Outputs ........................................................9
Power Amp Outputs .............................................................9
ASPEN RS-232 Port Wiring Diagram ................................10
Crestron® and AMX® Port Wiring Diagram .........................10
Cabling Of Stacked Units ...................................................10
Software Installation ...........................................................11
Refer to the Help Files .........................................................11
Creating an ASPEN Installer Disk ......................................11
Software and Firmware Updates ........................................12
Firmware Update Procedure ...............................................12
Update Procedure ..............................................................12
MCU Recovery from Interrupted Firmware Update ...........13
Stacking Multiple Units .......................................................14
Using the Control Panel ......................................................14
Minimum Setup ....................................................................14
The Signal Flow Screen ......................................................16
Using the LCD ......................................................................18
LCD Categories and Settings .............................................20
Network Setup .....................................................................21
Web Browser Interface ........................................................21
Service and Repair ..............................................................22
Returning Units for Repair .................................................22
FCC PART 68 COMPLIANCE INFORMATION .....................23
INDUSTRY CANADA NOTICE .............................................23
Rio Rancho, NM
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SPNTWB
Front Panel
The SPNTWB includes a front panel LCD and rotary
style navigation control for adjustment without the need
for a computer interface. The headphone output is used
to monitor each final mix for diagnostics and system
checkout.
Blue LEDs on the right side of the front panel indicate
power status and communications through USB, serial
and ethernet ports. The center white LED blinks to indicate an error, and glows during firmware updates.
LCD
Headphone Monitor
MCU Recovery
recessed pushbutton
Headphone Monitor
Used to monitor individual final mix buses as selected
on the LCD. Standard 1/4 inch jack and level control.
Drives both channels of stereo headphones.
MCU Recovery (recessed pushbutton)
Used in the procedure to recover from an interrupted
firmware update procedure. See section on Firmware
Update Procedure for details on usage.
Navigation/Select
Control
Firmware Update
recessed pushbutton
USB Port
Standard USB connector for the setup and control of
an SPNTWB from a Windows® XP, Vista or 7 computer
system* with USB interface.
Firmware Update (recessed pushbutton)
Used in the procedure to update the firmware in the
processor. See the section on Firmware Update Pro-
cedure for details.
USB Port
Comm
LED
POWER Switch
Power LED
Alert
LED
LCD
Allows setup and adjustment of most operating parameters and for minor adjustments without a computer
interface.
Navigation/Select Control
Used to navigate menus and make value selections and
settings on the LCD.
*Windows is a registered trademark of Microsoft Corp.
Status LEDs
• CommLED-blinkstoindicateUSB,RS-232and
ethernet communication
• AlertLED-blinkstoindicatefaultorerror
• AlertLED-glowswhiteduringrmwareupdates
• PowerLED-glowstoindicatepowerON
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LECTROSONICS, INC.
Rear Panel
Installation and Startup Guide
Cooling Fan
Outlet
Power Inlet RS232
Serial Port
Programmable Input
and Output Ports
Ethernet
Port
Power Inlet
The switching power supply will operate with line voltages between 100 and 240 VAC. The inlet socket is a
standard 3-pin C14 type that accepts any cordset with a
C13 connector.
Cooling Fan
The microprocessor monitors the internal temperature
of the processor and controls the variable speed fan as
needed. Operating temperature is very well regulated.
RS-232 and Ethernet Ports
Each host assembly provides RS-232 and Ethernet
ports for communication with the microprocessor. The
ports can be utilized simultaneously for monitoring,
setup and control.
ASPEN Ports
This gigabit bus transports audio and data from one
board to the next through CAT-6 cabling and RJ-45 connectors. Processors are normally installed with the Master unit on top and Slave units below it. The cabling is
then connected from the uppermost jack on one board
to the lowermost jack on the unit just above it. See page
9 for more information.
Balanced Mic/Line Inputs
Every mic/line input is a balanced, differential type with
adjustable gain from -10 to +60 dB. Connectors are a
standard 5-pin Phoenix depluggable type with adjacent
channels sharing a common ground.
Data/Audio
Bus Ports
Balanced Outputs Balanced Inputs
Made In the USA
Remote
Control
Power Amp
Outputs
Line Outputs
(Codecs)
Line Inputs
(Codecs)
Telephone
Set/Line
Balanced Outputs
All outputs are a balanced, differential type. Channels 1
through 8 on each board are nominal line level outputs
with gain adjustment from -60 to +20 dB. Channels 9
through 12 on each board are also line level outputs
with switchable attenuation of -20 and -40 dBu nominal
levels (mic level), with gain adjustment from OFF to +20
dB.
Programmable Input and Output Ports
Programmable inputs and outputs used to control
levels, settings, indicate the current state of a programmable input and control a variety of other parameters.
ASPEN Bus Data/Audio Ports
These RJ-45 jacks carry the audio signals and control data between each system board as well as units
stacked together.
Remote Control
These RJ-45 jacks provide interfaces for RCWTH4
remote control units. Each jack is assignable to CODEC
1 or 2, or to the telephone line.
Conferencing Inputs and Outputs (Codecs)
Analog audio input and output connectors for the Codec
ports.
Telephone Set/Line
RJ11 jacks for connecting a standard telephone line
and a single-line telephone set.
Rio Rancho, NM
Power Amp Outputs
The amplifier is designed to run continuously (idle or
with a load) without heat buildup, making it ideal for
permanent installations where prolonged operation is
required.
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SPNTWB
Processor
Balanced source to
ASPEN input
Source
Shield
Hardware Installation
Installing the chassis into a rack
Install the chassis so that the cooling fan vent is not
blocked. Mount with 4 rack screws using the appropriate mounting holes. Use nylon washers to prevent
damage to the front panel’s finish when tightening the
mounting screws.
All ASPEN processors have internal switching power
supplies that can tolerate voltages ranging from 100
to 240 VAC. Use an approved power cord with an IEC
60320 C13 connector.
Cables
It is recommended to use lacing bars for cable strain
relief when mounting in a rack. Use only professional
audio cable with proper shielding – typically, two conductor plus ground/shield.
Audio Connectors
The analog audio inputs and outputs are connected
through 5 pin de-pluggable connectors. Strip the insulation back 1/8 to 3/16” but do not tin (apply solder to)
the leads. Insert the wire into a de-pluggable connector, leaving less than 1 mm of bare wire exposed, then
tighten the retaining screw.
Audio Inputs – Unbalanced
Unbalanced audio sources include items such as
consumer VCR’s, DVD players, etc., which can be connected with either two wire or three wire cables. The (+)
terminal of the source is connected to the (+) terminal
of the processor. The shield and (–) connections are
made as shown here.
Three wire cables should have the shield connected to
the (–) connector at the source end of the cable.
Source
Unbalanced source to
ASPEN input – 3-wire cable
Two wire cables should have a jumper between the
processor (–) input and ground.
Shield
Processor
Caution: Do not overtighten the screws.
Retaining Screw
(Do not overtighten)
5-pin depluggable
connector
Do not leave more than
1 mm of exposed wire
beyond the connector.
Do not apply
solder to leads
Note the labeling on the rear panel for the positive and
negative leads. Ground is shared between two connections (the center pin).
Note: ASPEN processors do not have a “pin 1
problem.” Inputs and outputs are true differential
connections.
Source
Shield
Processor
Unbalanced source to
ASPEN input – 2-wire cable
Audio Inputs – Balanced
Balanced audio sources connect to the processor inputs in a straight “pin to pin” configuration.
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LECTROSONICS, INC.
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