Extron electronics NetPA U 2002 SB Bedienungsanleitung

NetPA U 2002 SB • Setup Guide

The Extron NetPA U 2002 SB is an ENERGY STAR-qualied, Dante-enabled power amplier 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 ampliers 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 amplier. For full

installation, conguration, 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 amplier 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

amplier.

The following sections describe two methods of rack-mounting the ampliers.

Rack Ear Mounting (Single Unit)

The NetPA U 2002 SB amplier ships with a set of rack ears, so the half-rack width amplier can be installed in a full-rack width

space. Mount the amplier with rack ears as follows:

1. If the amplier 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 amplier into the rack and align the holes in the rack ears with the holes on the rack.

4. Secure the amplier to the rack using the four provided 10-32 x 3/4” screws (2).

NetPAU2002 SB

OVER

TEMP LIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

NetP

POWERAMPLIFIERS

NetP

POWERAMPLIFIERS

NetP

NetPA U 2002 SB

1 2

OVER

TEMPLIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

NetP

Figure 1. NetPA U 2002 SB Rack Ear Mounting

IMPORTANT:

Go to www.extron.com for the

complete user guide, installation

instructions, and specifications.

Bridge Plate Rack Mounting (Side-by-Side)

The NetPA U 2002 SB ships with a bridge plate connector to connect two ampliers together and form full-rack width unit. Mount

and connect two ampliers as follows:

1. If the amplier has its rubber feet installed, remove them.

2. Position two ampliers 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 amplier into the rack and align the holes in the rack ears with the holes on the rack.

6. Secure the amplier to the rack using the four provided 10-32 x 3/4” screws (3).

XPAU 1004SERIES

1 2 3 4

OVER

TEMP LIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

XPAU 1004 SERIES

Mounting

screws (4) 1

XPAU 1004 SERIES

1 2 3 4

OVER

TEMPLIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

1 2 3 4

OVER

TEMPLIMITER/PROTECT

SIGNAL

NetPAU2002 SB

1 2

OVER

TEMPLIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

NetP

NetPA U 2002 SB

OVER

TEMPLIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

NetP

NetPA U 2002 SB

1 2

OVER

TEMPLIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

NetP

NetPA U 2002 SB

OVER

TEMPLIMITER/PROTECT

SIGNAL

POWERAMPLIFIERS

NetP

Figure 2. NetPA U 2002 SB Bridge Plate Rack Mounting

Ventilation Recommendation

Excessive heat decreases the optimal lifetime of the power amplier.

An Over Temp LED indicator on the front panel of the amplier lights

red when the recommended operating temperature has been exceeded.

The NetPA Ultra ampliers need to be arranged in a rack environment, so

that the environment around the amplier does not reach or exceed +122

°F (+50 °C). No more than four ampliers 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

leeve

Ring Tip

Sleeve

Jumper

Balanced Input Unbalanced Input

Tip

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

NetPA U 2002 SB • Setup Guide (Continued)

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

REMOTE

Do not tin

the wires!

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 amplier is in Standby mode, indicating that the amplier 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 amplier. 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 congure 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 amplier 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’amplicateur tant que le mode de sortie n’a

pas êtê rêglê correctment (voir “Setting the Output Mode” (Dênir le mode sortie) ci-dessous pour plus

d’informations).

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

CLASS 2 WIRING

OUTPUTS

CH 2

CH 1

Mono 8Ω, 16Ω, 70V,

or 100V Speaker Loads

Wire output connector

to mono speaker load

as shown to the right

CLASS 2 WIRING

OUTPUTS

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 an 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

amplier, 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’amplicateur pourrait être endommagé.

• To avoid risk of damage to the amplier 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 amplier for the

desired mode.

• Pour éviter les risques de dommages à l’amplicateur ou aux haut-parleurs, vériez 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’amplicateur 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 Congurator uses to communicate with the

amplier. 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 amplier 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 amplier. The amplier

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

NetPA U 2002 SB • Setup Guide (Continued)

Once the boot-up sequence is complete, the amplier 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 amplier must be powered on last.

• L’amplicateur 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. Conguration is done using Extron DSP Congurator software and

control is performed using SIS commands. To learn about full computer requirements, see the DSP Congurator 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 Congurator 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 conguration port.

2. Start the DSP Congurator 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 conguration le ofine and then upload that conguration to a NetPA U 2002 SB unit at a later time, remain

in Emulate mode and save the conguration le.

b. To upload a conguration to the NetPA U 2002 SB unit or download the current conguration from the unit, enter Live

mode. When in Live mode, changes made in DSP Congurator immediately affect the connected NetPA U 2002 SB. To

enter Live mode, click Live at the top of the DSP Congurator 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 conguring a NetPA U 2002

SB. It also provides a menu bar across the top with additional

conguration tools. For more information on using the DSP

Congurator, see the “DSP Congurator” 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 Congurator

contain a Help button ( ) in the top right corner. Click this

button to open the help le topic for that particular dialog box.

Setting the Output Mode

The NetPA U 2002 SB output mode is congured via DSP Congurator and the selection is passed to the amplier. 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 amplier output is not user-controllable in DSP Congurator.

• 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 amplier. 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 amplier is set to bridged mono mode, DSP Congurator deletes the Channel 2 amplier 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> Congure Amplier Output Mode to open the Congure Amplier 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 amplier output settings that changes

when the mode setting is applied.

3. Click Apply to apply the amplier output mode settings to the device. The Confirm Amplifier Output Mode

Selection dialog box opens (see ﬁgure 8 on the next page).

NetPA U 2002 SB • Setup Guide (Continued)

Figure 8. Conﬁrm Ampliﬁer Output Mode Selection Dialog Box

4. Click Yes to conrm the amplier output mode selection and apply it to the amplier.

ATTENTION:

• Verify output connector wiring and speaker conguration to avoid damage to the speakers and/or amplier

malfunction prior to clicking Yes.

• Vériez le câblage du connecteur de sortie et la conguration du haut-parleur pour éviter les dommages aux haut-

parleurs et/ou au dysfonctionnement de l’amplicateur 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 congured from DSP Congurator. The device can be named in the Dante

Device Settings, which assists with identifying a specic 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 Congurator 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 identied in Dante Controller. No spaces are allowed in the name.

5. Dante device network settings can also be congured in this dialog box. Use the radio buttons and text elds to choose

DHCP (recommended) or Static IP and enter a static IP address conguration.

6. Click Apply.

7. Click OK to conrm changes and close the Device Settings dialog box.

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 congured from the (Select aDante

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 Cong 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 conrmation prompt opens. Click Yes to conrm 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 MATRIXPROCESSOR

123456789101112131415161718192021222324

CLIP

SIGNAL

Extron

XMP 240 C AT

Expansion Matrix Processor

Extron

NetPA U 2002 SB

Power Amplier

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

Assistive Listening

System Transmitter

Local Audio

Ceiling

Array Mic

Ethernet

Figure 10. Physical Dante Network Diagram

NetPA U 2002 SB • Setup Guide (Continued)

Dante Network Setup

Use a standard Ethernet cable to connect a NetPA U 2002 SB amplier 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 difculty in identifying inputs and outputs. To

avoid confusion, rename each device to a unique identier.

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.

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.

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 amplier is 0 dBFS. To achieve maximum output power without degrading audio

clarity, the peak signal level on the meter at the amplier channels output attenuators should be set at—or as close as possible—

to 0 dBFS.

The default conguration 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 Amplier and Line outputs .

• Output Signal Chain

• Amplier 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-modiable, 80 Hz high-pass

lter is applied to the output lter block by default.

• Amplier channel output attenuators are set to -24 dB.

• Amplier 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 amplier 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 conguring 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.

68-3148-50 Rev. A

11 2020

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