Extron electronics NetPA U 2002 SB Manuel utilisateur
- Taper
- Manuel utilisateur
NetPA U 2002 SB • Setup Guide
The Extron NetPA U 2002 SB is an ENERGY STAR-qualied, Dante-enabled power amplier with onboard audio DSP, for use in
low-impedance speaker systems or high-impedance line distribution audio systems.
The NetPA U 2002 SB is 1U high, half rack-width, and rack-mountable. The ampliers have mounting holes for 9” (22.86 cm) and
deeper rack shelves and are plenum-rated with an optional ex conduit adapter. The units are convection-cooled.
This guide provides instructions for an experienced installer to set up and operate the NetPA U 2002 SB power amplier. For full
installation, conguration, and operation details, see the NetPA U 2002 SB User Guide available at www.extron.com.
Installation Steps
Step 1 — Mounting onto a Rack
Turn off all of the equipment and disconnect it from the power source. Mount the amplier as required. It can be securely mounted
in a variety of locations, using optional Extron Mounting Brackets and accessories (see the Extron website for compatible
optional mounting accessories), or using the included three-piece bracket system. The brackets do not come attached to the
amplier.
The following sections describe two methods of rack-mounting the ampliers.
Rack Ear Mounting (Single Unit)
The NetPA U 2002 SB amplier ships with a set of rack ears, so the half-rack width amplier can be installed in a full-rack width
space. Mount the amplier with rack ears as follows:
1. If the amplier has its rubber feet installed, remove them.
2. Attach the rack brackets (one long and one short) to the sides with the four provided #6 machine screws (
1
).
3. Insert the amplier into the rack and align the holes in the rack ears with the holes on the rack.
4. Secure the amplier to the rack using the four provided 10-32 x 3/4” screws (
2
).
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Figure 1. NetPA U 2002 SB Rack Ear Mounting
IMPORTANT:
IMPORTANT:
Go to www.extron.com for the
complete user guide, installation
instructions, and specifications.
1
Bridge Plate Rack Mounting (Side-by-Side)
The NetPA U 2002 SB ships with a bridge plate connector to connect two ampliers together and form full-rack width unit. Mount
and connect two ampliers as follows:
1. If the amplier has its rubber feet installed, remove them.
2. Position two ampliers upside down and side-by-side as shown below.
3. Use the bridge plate connector and the four provided #4 machine screws to connect the two units together (
1
).
4. Attach the two short rack ears to the units with the four provided #6 machine screws (
2
).
5. Insert the amplier into the rack and align the holes in the rack ears with the holes on the rack.
6. Secure the amplier to the rack using the four provided 10-32 x 3/4” screws (
3
).
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Figure 2. NetPA U 2002 SB Bridge Plate Rack Mounting
Ventilation Recommendation
Excessive heat decreases the optimal lifetime of the power amplier.
An Over Temp LED indicator on the front panel of the amplier lights
red when the recommended operating temperature has been exceeded.
The NetPA Ultra ampliers need to be arranged in a rack environment, so
that the environment around the amplier does not reach or exceed +122
°F (+50 °C). No more than four ampliers should be stacked without a
ventilation opening between the groups.
The NetPA U 2002 SB can also be arranged above or below a non-NetPA
Ultra device, but in any case, the environment should never reach or exceed
+122 °F (+50 °C).
Step 2 — Captive Screw Audio Cable Wiring
Wire the captive-screw connectors to the input or output as shown in the
following gures.
Tip
S
leeve
Ring
Tip
Sleeve
Jumper
Balanced Input
Unbalanced Input
Tip
S
leeve
Ring
Tip
Sleeve
Balanced Output
Unbalanced Output
Do not tin
the wires!
Figure 3. Mic/Line Input Wiring Figure 4. Line Output Wiring
Vent Space
Vent Space
Vent Space
Vent Space
Vent Space
Vent Space
Vent Space
NetPA U 2002 SB • Setup Guide (Continued)
2
NOTE:
• Balanced or unbalanced stereo sources can be connected with the 6-pole connectors.
• When using the 5-pole CSR 6 captive-screw to RCA adapter, connect it so the far left plug is inserted into the far left jack of
the 6-pole input.
ATTENTION:
• For unbalanced audio outputs, connect the sleeves to the ground contact. DO NOT connect the sleeves to the negative
(-) contacts.
• Pour l’audio asymétrique, connectez les manchons au contact au sol. Ne PAS connecter les manchons aux contacts
négatifs (–).
Step 3 — Remote Ports
STANDBY
G
REMOTE
Do not tin
the wires!
Tx
Rx
G
G
STANDBY
Tx Rx
G
RS-232
Figure 5. Remote Volume Control and Standby Ports
• Standby mode is forced when the Standby pin is connected to the second G pin. The power LED on the front panel
lights amber when the amplier is in Standby mode, indicating that the amplier is still receiving power despite the fact
that it has turned off all the outputs.
NOTE: The enabling and disabling of the auto-standby timer is handled through SIS or DSP Configurator. For more
details, consult the NetPA U 2002 SB User Guide.
• Connect a 3.5 mm, 3-pole captive screw connector to remotely control the volume via SIS commands, and connect a 3.5
mm, 2-pole captive screw to place the amplifier into Standby mode.
Protocol for the RS-232 port:
• 38,400 baud • 1 stop bit • 8 data bits • no parity
Step 4 — Speaker Wiring
Connect a 4-pin, 5 mm captive-screw connector for two channels of speaker output on the NetPA U 2002 SB amplier. Each
port has a screw ange to secure the plug to the connector (see figure 6 on the next page to learn how to wire the captive screw
connector).
Follow the instructions below to congure the rear panel for the NetPA U 2002 SB:
• For stereo modes, connect a 4-pin, 5 mm captive screw connector for two channels of speaker outputs. The port has a
screw ange to secure the plug to the connector.
• For mono modes, connect the same 4-pin, 5 mm captive screw connector but wire only the middle speaker output pins for a
single channel of speaker output (see figure 6 to learn how to wire the speaker output).
ATTENTION:
• Do not connect the speaker output connector to the amplier until the output mode has been set properly (see
“Setting the Output Mode” on the next page for details).
• Ne connectez pas le connecteur de sortie du haut-parleur à l’amplicateur tant que le mode de sortie n’a
pas êtê rêglê correctment (voir “Setting the Output Mode” (Dênir le mode sortie) ci-dessous pour plus
d’informations).
3
Stereo 8Ω or 4Ω Output Modes
Bridged Mono 8Ω/16Ω/70V/100V Modes
Stereo 8Ω or 4Ω
Speaker Loads
Wire output connector
to speaker loads as
shown to the right
1
2
CLASS 2 WIRING
OUTPUTS
BR
CH 2
CH 1
Mono 8Ω, 16Ω, 70V,
or 100V Speaker Loads
Wire output connector
to mono speaker load
as shown to the right
1
2
CLASS 2 WIRING
OUTPUTS
BR
CH 1
Figure 6. Speaker Output Port and Wiring Diagram
ATTENTION:
• You must use Class 2 wiring for this output to comply with UL requirements.
• Vous devez utiliser le câblage de classe 2 pour cette sortie an de vous conformer aux exigences UL.
• Do not tie channel output pins to each other or to ground. Doing so will short out the outputs, damage the
amplier, or both.
• Ne pas lier les sorties 1 et 2 des canaux entre elles ou à la terre. Les sorties pourraient être court-circuitées et/
ou l’amplicateur pourrait être endommagé.
• To avoid risk of damage to the amplier or the speakers, always check that low-impedance speaker loads
(4 Ω/8 Ω/16 Ω) and high-impedance speaker loads (70 V/100 V) are appropriately wired to the amplier for the
desired mode.
• Pour éviter les risques de dommages à l’amplicateur ou aux haut-parleurs, vériez toujours que les charges de
haut-parleur à faible impédance (4 Ω/8 Ω/16 Ω) et les charges de haut-parleurs à haute impédance (70 V/100 V)
sont correctement câblées à l’amplicateur pour le mode souhaité..
Step 5 — AT Port
Connect a RJ-45 connector to the AT port to connect and
communicate with the Dante network. It is also one of the
interfaces DSP Congurator uses to communicate with the
amplier. The Link LED indicates when a connection is made.
Go to Configure Dante Device Settings on page 6 for
information on Dante settings. See the image to the right for
wiring.
Step 6 — Powering on Amplifier and Adjustments
Ensure all sources connected to the amplier inputs are muted to
avoid potential speaker damage during power-up.
Reconnect all the power cables and switch on the rest of the
equipment before powering on the power amplier. The amplier
boots-up for up to 10 seconds as the front panel LED ashes
green.
12345678
RJ-45
Connector
Insert Twisted
Pair Wires
Pins:
A cable that is wired as TIA/EIA T568A at one
end and T568B at the other (Tx and Rx pairs
reversed) is a "crossover" cable.
T568B T568A
Crossover Cable
(for direct connection to a PC)
End 1 End 2
Pin Wire Color Pin Wire Color
1 white-orange 1 white-green
2 orange 2 green
3 white-green 3 white-orange
4 blue 4 blue
5 white-blue 5 white-blue
6 green 6 orange
7 white-brown 7 white-brown
8 brown 8 brown
4
NetPA U 2002 SB • Setup Guide (Continued)
Once the boot-up sequence is complete, the amplier takes more time to sync with the Dante network and begin the playback of
streamed content. The front panel LED lights green after approximately 20 seconds.
ATTENTION:
• The amplier must be powered on last.
• L’amplicateur doit être mis sous tension en dernier.
Step 7 — Checking LEDs
Check the Limiter/Protect and Signal LEDs on the front and rear panels to see if any problems are encountered (see “Front Panel
Features and Troubleshooting” in the NetPA U 2002 SB User Guide for more information).
Double-check the correct load is connected and properly wired to the rear panel connections (see Speaker Wiring on page 3 for
more information).
Step 8 — DSP Configurator Software Installation
There are no hardware controls for the NetPA U 2002 SB. Conguration is done using Extron DSP Congurator software and
control is performed using SIS commands. To learn about full computer requirements, see the DSP Congurator product page on
www.extron.com.
Download DSP Configurator from the Extron Website
1. From the Extron home page (www.extron.com), click the Download tab to open the Download page.
2. Under Software (located on the left side of the page), select DSP Congurator Software. The DSP Configurator
Software product page opens.
3. Click the Download button and follow the on-screen instructions.
NOTE: An Extron Insider account is required to download DSP Configurator.
Step 9 — NetPA U 2002 SB Configuration
When power is connected to the unit and the rest of the audio system, audio output can be easily configured for any listening
environment via the DSP Configurator. The following steps detail how to configure a NetPA U 2002 SB amplifier.
Configure the NetPA U 2002 SB Amplifier
1. Ensure the control computer is connected to either the AT port, RS-232 port, or the rear panel USB conguration port.
2. Start the DSP Congurator software. From the splash screen drop-down list, select NetPA U 2002 SB. Click OK. The main
workspace opens.
3. The software starts in Emulate mode:
a. To create a conguration le ofine and then upload that conguration to a NetPA U 2002 SB unit at a later time, remain
in Emulate mode and save the conguration le.
b. To upload a conguration to the NetPA U 2002 SB unit or download the current conguration from the unit, enter Live
mode. When in Live mode, changes made in DSP Congurator immediately affect the connected NetPA U 2002 SB. To
enter Live mode, click Live at the top of the DSP Congurator workspace, or select Tools > Connect to Device, or
press <F6> on the keyboard.
NOTE: When Live mode is selected, a connection dialog box appears. Select the desired connection type and
follow the on-screen prompts (see the NetPA U 2002 SB User Guide for more information on connecting live to a
device).
The main workspace provides access to mix matrices, gain
blocks, and DSP processors for conguring a NetPA U 2002
SB. It also provides a menu bar across the top with additional
conguration tools. For more information on using the DSP
Congurator, see the “DSP Congurator” section of the
NetPA U 2002 SB User Guide, or the DSP Configurator Help File
that can be accessed by selecting Help > Contents or
pressing <F1>. Most dialog boxes within DSP Congurator
contain a Help button ( ) in the top right corner. Click this
button to open the help le topic for that particular dialog box.
5
Setting the Output Mode
The NetPA U 2002 SB output mode is congured via DSP Congurator and the selection is passed to the amplier. There are six
selectable modes that are divided into two stereo modes and four bridged mono modes.
• Stereo Modes (8 ohm/4 ohm) — Each channel of an output pair behaves independently, and each input can be routed to
any output.
• Bridged Mono Modes — There are four bridged mono modes: two low-impedance (8 ohm and 16 ohm) and two high-
impedance (70V and 100V). The second amplier output is not user-controllable in DSP Congurator.
• 8 ohm bridged — This mode bridges the output pair and sets it for an 8 ohm load.
• 16 ohm bridged — This mode bridges the output pair and sets it for a 16 ohm load.
• 70V — This mode bridges the output pair and sets it for a 70V load.
• 100V — This mode bridges the output pair and sets it for a 100V load.
Bridging occurs in the amplier. The positive pin on Channel 1 becomes the positive pin of the bridged output, and the positive
pin on Channel 2 becomes the negative pin of the bridged output.
When the amplier is set to bridged mono mode, DSP Congurator deletes the Channel 2 amplier output signal chain, including
mix points and output processors.
In the 70V and 100V modes, an 80 Hz, 12 dB/octave high-pass lter is applied to the output lter block by default. The user can
change the frequency and slope of this lter. In all other modes, the high-pass lter is not applied by default.
Configuring the Output Mode
1. Select Tools> Congure Amplier Output Mode to open the Congure Amplier Output Mode dialog box.
Figure 7. Configure Amplifier Output Mode Dialog Box
2. Select the radio button next to the desired output mode. The currently selected mode is indicated with an asterisk (*) to the
right. The information window to the right of the output mode list displays the DSP and amplier output settings that changes
when the mode setting is applied.
3. Click Apply to apply the amplier output mode settings to the device. The Confirm Amplifier Output Mode
Selection dialog box opens (see figure 8 on the next page).
6
NetPA U 2002 SB • Setup Guide (Continued)
Figure 8. Confirm Amplifier Output Mode Selection Dialog Box
4. Click Yes to conrm the amplier output mode selection and apply it to the amplier.
ATTENTION:
• Verify output connector wiring and speaker conguration to avoid damage to the speakers and/or amplier
malfunction prior to clicking Yes.
• Vériez le câblage du connecteur de sortie et la conguration du haut-parleur pour éviter les dommages aux haut-
parleurs et/ou au dysfonctionnement de l’amplicateur avant de cliquer sur Oui.
Downloading and Installing Dante Controller
1. From www.extron.com, hover over the Download tab at the top of the page.
2. From the Featured Software list, select Dante Controller. The Dante Controller product page opens.
3. Click the blue Download button.
4. Select Run to run the Dante Controller installer or select Save to save the install le to run at a later time.
If you choose to run the le, follow all prompts. If you saved the le, click the saved le to begin installation when ready.
NOTE: The installed Dante Controller program files are saved in:
C:\Program Files (x86)\Audinate\Dante Controller\DanteController.exe.
Configure Dante Device Settings
Dante settings in the NetPA U 2002 SB can be congured from DSP Congurator. The device can be named in the Dante
Device Settings, which assists with identifying a specic device in the Dante Controller software when there are multiple
devices on the Dante network.
ATTENTION:
• It is crucial that a Dante device be named before audio subscriptions with other devices are established. Existing
subscriptions are removed when a unit is renamed.
• Il est crucial qu’un appareil Dante soit nommé avant la création d’abonnements audio avec d’autres appareils. Les
abonnements existants sont supprimés lorsqu’une unité est renommée.
To configure Dante device settings:
1. Open DSP Congurator and connect live to the NetPA U 2002 SB.
2. Select Tools > Device Settings. The Device Settings dialog box opens.
3. From the tabs at the top of the Device Settings dialog box, select Dante Device.
4. In the Device Name eld, give the NetPA U 2002 SB a name (recommended to be device model and location) so that it can
be easily identied in Dante Controller. No spaces are allowed in the name.
5. Dante device network settings can also be congured in this dialog box. Use the radio buttons and text elds to choose
DHCP (recommended) or Static IP and enter a static IP address conguration.
6. Click Apply.
7. Click OK to conrm changes and close the Device Settings dialog box.
7
Renaming the NetPA U 2002 SB Amplifier in Dante Controller
1. From the control computer Start menu select: All Programs > Audinate > Dante Controller > Dante
Controller
2. The Dante Controller - Network View screen opens. All Dante devices on the network are discovered and listed.
3. From the Device menu, select Device View or press <Ctrl+D> on the keyboard.
4. The Dante Controller - Device View dialog opens. Select the device being congured from the (Select a Dante
Device...) drop-down list. The Device View dialog populates with the selected NetPA U 2002 SB information (see gure
9 below).
Figure 9. Populated Device View Dialog Box
5. Click the Device Cong tab to open the Device Config page.
6. In the Rename Device panel, enter the new name of the device in the text eld.
NOTE: No spaces are allowed in the name and names should be significant identifiers. For example,
NetPAUAmplifier-MainRack
7. Click Apply. A conrmation prompt opens. Click Yes to conrm the new name.
8. Repeat as necessary for all devices.
Creating a Physical Dante Network
A physical network is required to share Dante audio channels among Dante-enabled devices like those found in the
NetPA U 2002 SB. Other devices capable of sending and receiving audio over a Dante network must be on the same physical
network in order to communicate with Dante (see gure 10 below for an example of a Dante network).
AUDIO
Extron
mute selectmute select
NetPA U 2002 SB
LIMITER/PROTECT
SIGNAL
OVER
TEMP
21
INPUTS
ACTIVITY
CONFIG
EXPLAN
XMP 240 CAT
EXPANSION MATRIX PROCESSOR
123456789101112131415161718192021222324
CLIP
SIGNAL
Extron
XMP 240 C AT
Expansion Matrix Processor
Extron
NetPA U 2002 SB
Power Amplier
Extron
SF 26CT
Two-Way Ceiling Speakers
Extron
WPD 101 3.5 mm
Audio Pass-Through Wallplate
- Decorator-Style
Audio Line OutAudio Inputs
Wireless
Mic 1
Wireless
Mic 2
Ethernet
Ethernet
Assistive Listening
System Transmitter
Local Audio
Ceiling
Array Mic
Ethernet
Figure 10. Physical Dante Network Diagram
8
NetPA U 2002 SB • Setup Guide (Continued)
Dante Network Setup
Use a standard Ethernet cable to connect a NetPA U 2002 SB amplier to a Dante network via the AT port. Launch the
Dante Controller program.
Dante Controller automatically discovers all Dante devices on the network and allows other Dante-enabled devices to
communicate with it. The default device name is the model name followed by the last six characters of the device MAC address
(for example, NetPA-U-xxxxxx). Multiple devices on the same network can present difculty in identifying inputs and outputs. To
avoid confusion, rename each device to a unique identier.
NOTE: To simplify setup, connect only one Dante device to the network at a time.
Dante Controller Operation
Dante Transmitters and Receivers
A Dante network is comprised of transmitters that output digital audio onto the Dante network and receivers that receive
digital audio input from the Dante network.
• Transmitters output digital audio from the device onto the audio network.
• Receivers take in digital audio from the audio network into the device.
Network View Layout
In the Dante Controller software, Dante transmitters are
listed horizontally across the top of the Network View
(
1
), while Dante receivers are listed vertically on the left
side of the window (
2
). Creating a link in the connection
matrix routes audio from a transmitter to a receiver (
3
).
Routing Devices
1. To show the transmitters of a Dante device, click
the + box next to the desired device in the Dante
Transmitters panel, such as
NetPA-U-9175f2 (
1
). The
+
changes to a – sign
when the details for the device expand.
2. To show the receivers of a Dante device, click the
+ box next to the desired device in the Dante Receivers panel, such as a
NetPA-U-MainRack (
2
).
3. Click the intersection of the desired subscription (discrete connection) between a transmitter and a receiver (
3
). A check
mark at the intersection indicates the subscription is made. A check mark also appears next to the receiver channel.
NOTE: A receiver can subscribe to only one transmitter. A transmitter can connect to multiple receivers.
4. To undo routing, click the junction again to disconnect the receiver from the transmitter.
NOTE: After making changes to Dante network routing such as subscriptions, device names, or channel labels, wait
at least 5 seconds before disconnecting or powering down the devices. This ensures that the new information is
properly saved to those devices. Device-level configurations, such as sample rates, latency, and clock settings are
saved instantly.
9
1
2
3
NetPA U 2002 SB • Setup Guide (Continued)
For information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the
Extron Safety and Regulatory Compliance Guide on the Extron website.
© 2020 Extron — All rights reserved. www.extron.com
All trademarks mentioned are the property of their respective owners.
Worldwide Headquarters: Extron USA West, 1025 E. Ball Road, Anaheim, CA 92805, 800.633.9876
Gain Structure
The input sensitivity of the NetPA U 2002 SB amplier is 0 dBFS. To achieve maximum output power without degrading audio
clarity, the peak signal level on the meter at the amplier channels output attenuators should be set at—or as close as possible—
to 0 dBFS.
The default conguration of the DSP blocks are as follows:
• Input Signal Chain
• All analog input gains (ANG GAIN) are set to 0 dB.
• All Dante inputs do not have a separate input gain placed before the processors.
• All processors are disabled.
• All input pre-mix gains are set to 0 dB.
• Mix Points
• AT inputs 1 and 2 are mixed at 0 dB to their respective Amplier and Line outputs .
• Output Signal Chain
• Amplier output mode is set to stereo, 8 ohms.
• All output trims are set to 0 dB.
• All processors are disabled, except in 70V and 100V output modes. In these modes, a user-modiable, 80 Hz high-pass
lter is applied to the output lter block by default.
• Amplier channel output attenuators are set to -24 dB.
• Amplier Line and AT outputs are set to 0 dB.
Setting-Up Gain Structure
Setting proper gain structure is necessary to ensure maximum audio clarity and amplier output performance. To set-up gain
structure, follow the steps outlined below, using a calibrated pink noise source.
1. Ensure all pre-mix gain, cross-points, and output trim blocks are set to 0 dB
2. Adjust the Mic/Line Input ANG GAIN blocks so the output meter reads -17dBFS
3. Adjust the output attenuators, so the output meter reads -17 dBFS
Refer to the NetPA U 2002 SB User Guide found on www.extron.com for more details on setting-up gain structure.
NOTE: When setting levels, pay attention to avoid digital clipping.
For more information on conguring a NetPA U 2002 SB unit in Dante Controller, see the “Dante Controller” section of the
NetPA U 2002 SB User Guide found on www.extron.com.
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