Extron electronics NetPA AT Series Manual de usuario

DProduct

This guide provides basic instructions for an experienced technician to install the NetPA 502 AT and NetPA 1001-70V AT

Networked Power Ampliers. Both the NetPA 502 AT and NetPA 1001-70V AT models are collectively referred to as NetPA AT in

this guide. For additional information and specications, see the NetPAAT product page at www.extron.com.

WARNING: Installation and service must be performed by experienced personnel only.

AVERTISSEMENT : L’installation et l’entretien doivent être effectués par le personnel autorisé uniquement.

100-240V 0.5AMAX

50-60Hz

NetPA 502 AT

8Ω/4Ω OUTPUTS

CLASS 2 WIRING

STANDBY

REMOTE

LINE OUT AT

-2

-4

-6

-8

-12

-20

-2

-4

-6

-8

GAIN

RESET

LINK

OFF

80 Hz

100-240V 0.5AMAX

50-60Hz

NetPA 1001-70V AT

CLASS 2 WIRING

STANDBY

REMOTE

LINE OUT AT

-2

-4

-6

-8

-12

-20

GAIN

RESET

LINK

HPF

70 V OUTPUTS

JDEFGH

Figure 1. NetPA 502 AT and NetPA 1001-70V AT Rear Panels

AIEC AC power input, 100 to 240 VAC, 50-60 Hz FLink indicator (see Link Indicator LED on page 10 for

details)

GReset button (see Resetting the NetPA AT on page 9 for

details)

BGain adjustment (see step 12, on page 8 for

details)

CLine out connector (see step 7 on page 2 for

details)

DRemote connector (see step 6 on page 2 for

details)

ERJ-45 Ethernet connector (see step 3 on

page 2 for details)

HAmplified stereo audio output connector (see step 4 on

page 2 for details)

IAmplified mono audio output connector (see step 4 on page

2 for details)

JHPF (high pass filter switch) (see step 5 on page 2 for

details)

Step 1 — Powering Down Equipment

Be sure that power to the NetPA AT is turned off rst by disconnecting the power A.

NOTE: Adjust the audio level to =(full attenuation) prior to powering the amplier in step 8.

Turn off all other equipment and disconnect the power cables. Verify that the amplier is disconnected from the power source

before proceeding.

Step 2 — Application Example and Mounting

For a typical application example, see Application Example in the user guide. For further mounting instructions, see Mounting the

NetPA AT in the user guide.

NetPA AT Series • Setup Guide

NetPA AT Series • Setup Guide (Continued)

Step 3 — Connecting the NetPA AT to the Network

Using standard CAT cable, connect the RJ-45 connector Eof the NetPA AT to a LAN for digital audio transport (see Creating a

Physical Dante Network on page 9).

Step 4 — Audio Output Connector

Stereo audio output connector — Wire the speakers to the output connector of the NetPA 502 AT Husing the 4-pole captive

screw connector, as shown below.

Do not tin the wires!

8Ω/4Ω OUTPUTS

LASS2 WIRING

Mono audio output connector — Wire the speakers to the output connector of the NetPA 1001-70V AT I using the 2-pole

captive screw connector, as shown below.

Do not tin the wires!

CLASS 2 WIRING

70 V OUTPUTS

Step 5 — Setting the High Pass Filter (HPF)

On the NetPA 1001-70V AT, use a Tweeker or small screwdriver to toggle the high pass ﬁlter switch Jbetween Off (no ltering)

and 80 Hz (default). Setting the switch to 80 Hz prevents the saturation of speaker input transformers by low frequency signals.

The high pass lter can be safely turned off only if the ltering is applied upstream of the amplier.

Step 6 — Remote Connector

The 3.5 mm, 2-pin captive screw remote control port D forces the unit into standby mode when the remote standby pin is

shorted to ground. The amplier wakes from standby and resets the inactivity timer when the connection is reopened.

See the user guide for details.

Step 7 — Line Out Connector

Connect an amplier or other device to the 3-pole, 3.5 mm captive screw connectors Cfor channel 1 and channel 2

(NetPA 502 AT) or the single channel (NetPA 1001-70V). Wire as shown below.

Audio Output Wiring

Unbalanced Output

Tip

Sleeve

NO Ground Here

Balanced Output

Tip

Sleeve

Ring

ATTENTION: For unbalanced audio outputs, connect the sleeves to the ground

contact. DO NOT connect the sleeves to the negative (–) contacts.

ATTENTION : Pour l’audio asymétrique, connectez les manchons au contact

au sol. Ne PAS connecter les manchons aux contacts négatifs (–).

" (5 mm) MAX.

Do not tin the wires!

NOTE: The signal that comes out of the line output is the same signal that goes into the amplifier stage, prior to the gain

potentiometers. (The same audio content coming out of channel 1 amplified output comes out of the channel 1 line output.)

Product Category

Step 8 — Powering On the Equipment

ATTENTION: The amplier must be powered on last.

ATTENTION : L’amplicateur doit être allumé en dernier.

Reconnect all power cables and switch on all other equipment before powering on the amplier. The front panel power LED of the

NetPA AT lights green.

Step 9 — Installing Dante Controller for Windows Software

Dante Controller from Audinate is required to select and route digital inputs and outputs to connected Dante-compatible devices.

Install Dante Controller on a PC running Microsoft®Windows®7®or newer. For full details about computer requirements, see

the product page on the Extron website. Dante Controller must be installed to rename the connected NetPAAT to assist

identication on the network.

Downloading Dante Controller for Windows

The software application is available at www.extron.com.

1. From www.extron.com, enter NetPAAT in the search eld and press <Enter>.

The NetPAAT product page opens.

Figure 2. NetPAAT Product Page

2. Click Downloads (2). The Downloads panel opens. Dante Controller is listed.

3. Click Dante Controller (3).

NetPA AT Series • Setup Guide (Continued)

The Download Center page opens.

Figure 3. Download Center —Dante Download

4. Fill in the required elds.

5. Click Download dantecontrollernxn.exe.

6. Save the le to your desktop (or other known location).

7. Locate and double-click the saved Dante Controller le to begin installation.

8. Follow the onscreen instructions. When the installation completes, close the installation dialog.

Step 10 — Dante Network Setup

Rename the NetPAAT

Dante Controller auto-discovers all Dante devices on the network and advertises itself to allow other Dante-enabled devices to

communicate with it. The default device name is the word “NetPA” followed by the last six digits of the MAC address of the device.

Multiple devices on the same network can present difculty identifying inputs and outputs. To avoid confusion, each device must

be renamed to a unique identier.

NOTE: To simplify renaming, connect only one Dante device to the network at a time. As each device is renamed, it can

remain connected.

Ensure the control computer and the NetPA AT are connected to the same network.

1. From the start menu select All Programs >Audinate >Dante

Controller >Dante Controller.

The Dante Controller - Network View screen opens.

All Dante devices on the network are discovered and listed.

Product Category

2. From the toolbar, select Device>Device View.

3. The Dante Controller - Device View dialog opens.

Select your device from the (Select aDante Device...) drop-down list.

NOTES:

• If there are multiple NetPA ATs connected to the network that have not been renamed, to identify an

individual device you must obtain the MAC address of the desired device from the label on the rear

panel.

• The identify device tool can also be used to identify the unit (see Identifying the Physical Device on

page 6).

The Device View dialog populates with the selected NetPAAT information.

4. Click the Device Config tab to open the device conguration page.

5. In the Rename Device panel, enter the new name of the device in the text eld. No spaces are allowed in the name.

NetPA AT Series • Setup Guide (Continued)

6. Click Apply. A warning opens.

7. Click Yes to enter the new name, then close the  dialog.

The new name is written to the NetPAAT. Repeat as necessary for all NetPAAT devices.

NOTE: After the NetPAAT is renamed, it can remain connected to the network. However, subsequent devices must be

connected one at a time and renamed before the next device is connected.

Identifying the Physical Device

If the amplier needs to be physically identied, the identify device tool can be used to aid in its location.

1. Start with steps 1 through 3 of Rename the NetPA AT on page 4.

2. To identify the NetPA, click on the “eye” icon on the toolbar.

3. Both the front panel power LED (see ﬁgure 6, A, on page 10) and the rear panel link LED F(see ﬁgure 1, F,on page 1)

blink amber at a rate of 0.5 Hz for ten seconds, after which the LEDs return to their previous state.

4. Locate the unit with the blinking LEDs.

NOTE: For advanced network setup, refer to the user guide.

Product Category

Step 11 — Dante Operation

Select Devices

After the receiver inputs of the NetPAAT are congured, they must be routed to the other Dante devices on the audio network.

Dante Controller is required.

1. Ensure the control computer and NetPAAT are connected to the same network.

2. From the start menu select All  > >Dante Controller >Dante Controller.

The Dante Controller - Network View screen opens.

Dante Controller auto-discovers Dante devices on the network and advertises itself to allow other Dante-enabled devices to

communicate with it. Device inputs are Dante receivers (listed vertically on the left) and device outputs are Dante transmitters

(listed horizontally across the top). Transmitters (outputs) connect to receivers (inputs) using the connection matrix.

3. Click the +box next to the NetPA (NetPA-Classroom-01) in the Dante Receivers column to show all device inputs.

4. Click the +box next to the transmitter (DMP128-LectureHall) in the Dante Transmitter row to show all device outputs.

NetPA AT Series • Setup Guide (Continued)

Route Inputs and Outputs

1. Click the +box next to the input channels (receivers) on the NetPA (NetPA-Classroom-01 in the example above).

All device outputs (transmitters) display horizontally.

2. Click the junction of the desired connection

(Example: DMP128-LectureHall Output-01 to NetPA-Classroom-01 INPUT-MONO).

A checkmark at the junction indicates the connection is made. A checkmark is also placed next to the receiver channel.

NOTE: An input (receiver) can connect to only one output (transmitter). An output (transmitter) can connect to multiple

inputs (receivers).

3. Click the junction again to disconnect the input from the output.

See the “Dante Controller” section of the NetPA AT Series user guide for information on Dante Controller operation.

Step 12 — Setting the Gain Potentiometer

Turn up the gain potentiometer to the desired level. When the pot is set to 0 dB, and a 0 dBFS signal is

transmitted through the Dante port, the amplier outputs full power.

Use a Tweeker or small screwdriver to adjust the audio input gain for the corresponding channel. The

analog potentiometers control the gain from =(full attenuation) to 0 dB (no gain) to + 6 dB gain.

NOTE:

• The potentiometer affects the gain post DAC and pre amplier stage.

• The gain potentiometer does not adjust the level of the line output.

-2

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-8

-12

-20

-2

-4

-6

-8

GAIN

-2

-4

-6

-8

-12

-20

GAIN

NetPA 502 AT

NetPA 1001-70V AT

Product Category

Creating a Physical Dante Network

A physical network is required to share Dante audio channels between a DMP 128 AT device and a NetPA AT. The NetPA 502AT

and NetPA 1001-70V AT have an RJ-45 connector located on the back panel that accepts a standard network cable.

A DMP128-based Dante network can be congured in a star or daisy chain network topology using the four port switch and the

Dante Controller in switched mode.

Star network topology places one DMP128C AT as the central unit, which connects directly to up to three more units.

Alternatively, a larger network switch in place of the central DMP128AT, allows more than four NetPAATs to connect in the star

conguration.

Star Network Topology

100-240V ~ --A MAX

50/60 Hz LAN

EXP

RS-232

Tx Rx G

RESET

MIC +48V

5678

1234 8

12345G6

1234

78910 G

11 12 13 14 15 G1617181920G

234

56 78

910

11 12

MIC/LINE INPUTS

OUTPUTS

DIGITAL I/O

REMOTE AT

DMP 128 C AT

NetPA 502 AT

NetP

A50

2AT

100-240V 0.5AMAX

50-60Hz

NetPA 502 AT

8Ω/4Ω OUTPUTS

CLASS 2 WIRING

STANDBY

REMOTE

LINE OUT AT

-2

-4

-6

-8

-12

-20

-2

-4

-6

-8

GAIN

RESET

LINK

NetP

A50

2AT

tPA

2 A

Ω

4Ω

2 WIRIN

ESET

100-240V 0.5AMAX

50-60Hz

NetPA 502 AT

8Ω/4Ω OUTPUTS

CLASS 2 WIRING

STANDBY

REMOTE

LINE OUT AT

-2

-4

-6

-8

-12

-20

-2

-4

-6

-8

GAIN

RESET

LINK

NetP

A50

2AT

NetPA

502

8Ω

4Ω

UTPUT

2 WIRIN

TANDBY

REMOT

NE OUT

ESET

LINK

100-240V 0.5AMAX

50-60Hz

NetPA 502 AT

8Ω/4Ω OUTPUTS

CLASS 2 WIRING

STANDBY

REMOTE

LINE OUT AT

-2

-4

-6

-8

-12

-20

-2

-4

-6

-8

GAIN

RESET

LINK

DMP 128 C AT

Figure 4. Star Network Topology

A daisy chain conguration can also be used. Each NetPA AT device can connect only to the end of the chain.

DMP 128 AT

100-240V ~ --A MAX

50/60 Hz LAN

EXP

RS-232

Tx Rx G

RESET

MIC +48V

5678

1234 8

4 1

12345G6

1234

78910G

11 12 13 14 15 G1617181920G

234

56 78

910

11 127

MIC/LINE INPUTS

OUTPUTS

DIGITAL I/O

REMOTE AT

DMP 128 C AT

AXP 50 C AT

RESET

IN G

POWER

12V

1.0A MAX

0102 IN G0

NG0102 IN G0

NG0102

2345

234

I/O

INPUTS

AXP 50 C AT

RESET

IN G

POWER

12V

1.0A MAX

0102 IN G0

NG0102 IN G0

NG0102

2345

234

I/O

INPUTS

AXP 50 C AT #1 AXP 50 C AT #2 NetPA 502 AT

Daisy Chain Network Topology

ESET

NetP

A50

2AT

100-240V 0.5AMAX

50-60Hz

NetPA 502 AT

8Ω/4Ω OUTPUTS

CLASS 2 WIRING

STANDBY

REMOTE

LINE OUT AT

-2

-4

-6

-8

-12

-20

-2

-4

-6

-8

GAIN

RESET

LINK

Figure 5. Daisy Chain Topology

Hybrid versions combining the star and daisy chain topologies can be built, but a ring topology, or any topology that creates a

duplicate connection causes a connection failure in Dante Controller.

NOTE: Connections between ports in either a star or daisy chain network do not need to be sequential (1 to 2, 2 to 3, 3 to 4),

nor do they need to be made between the same port numbers (1 to 1, 2 to 2, 3 to 3, 4 to 4).

NOTE: At the moment, Dante is not compatible with EEE (Energy Efficient Ethernet) technology. Care should be taken when

using a network switch with this technology in a Dante network.

• If using a managed switch, ensure that it supports disabling EEE on all ports that will be used for Dante trafc.

• If using an unmanaged switch, do not use models that support the EEE function, as it can not be disabled on these

models.

• For more information on this topic, see the Audinate website.

Resetting the NetPA AT

The NetPA AT utilizes DHCP addressing by default.

A recessed reset button on the rear panel (see ﬁgure 1 , G, on page 1) initiates a reset mode. Reset sets the IP addressing mode

to DHCP (Dante default), clear the previous IP address, and reset the device name to default.

NOTE: Initiating a reset while the NetPA AT is connected to a transmitting device severs that connection.

To reset the NetPA AT, press and hold down the reset button for ten seconds until both of the rear panel RJ-45

Ethernet port LEDs blink twice.

NOTE: When the NetPA AT is first powered on, or reset, the default name shall be “NetPA-xxxxxx” where

xxxxxx are the last six digits or letters of the MAC address of the unit.

LINK

Ethernet Port LEDs

Extron Headquarters

+800.633.9876 Inside USA/Canada Only

Extron USA - West Extron USA - East

+1.714.491.1500 +1.919.850.1000

+1.714.491.1517 FAX +1.919.850.1001 FAX

Extron Europe

+800.3987.6673

Inside Europe Only

+31.33.453.4040

+31.33.453.4050 FAX

Extron Asia

+65.6383.4400

+65.6383.4664 FAX

Extron Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Extron China

+86.21.3760.1568

+86.21.3760.1566 FAX

Extron Middle East

+971.4.299.1800

+971.4.299.1880 FAX

Extron Korea

+82.2.3444.1571

+82.2.3444.1575 FAX

Extron India

1800.3070.3777

(Inside India Only)

+91.80.3055.3777

+91.80.3055.3737 FAX

68-2649-50 A

03 15

Link Indicator LED

The Link indicator LED (see ﬁgure 1 , F, on page 1) is locked to the Dante sync signal. This LED indicates three states in normal

operation:

• Blinking (1 Hz) Green –The Dante card generates network audio clock. The unit is master clock.

• Solid green –The Dante card is locked to network audio clock. The unit is slaved to network audio clock.

• Off –The Dante card is not locked to network audio clock.

Front Panel Features

NetPA 502 AT

LIMITER/PROTECT

SIGNAL

NETWORK POWER AMPLIFIER

NetPA 1001-70V AT

LIMITER/PROTECT

SIGNAL

NETWORK POWER AMPLIFIER

Figure 6. NetPAAT Series Front Panels

APower LED —

• Lights solid green when powered on and active.

• Lights amber when:

• In standby mode.

• DC voltage is detected on the output.

NOTE: The unit can be cleared only by cycling AC power off then back on.

• Momentarily blinks in the same color and pattern as the rear panel link indicator when the identify device tool is activated

(see Identifying the Physical Device on page 6 for more details). Once this sequence has completed, the power LED

resumes its previous function.

BLimiter/Protect LED —

• Lights solid red when the channel is in protection mode, triggered by any of the limiter protection circuits:

• Clip limiter activated due to excessive clipping

• Short circuit on output

• Thermal protection

CSignal LED —The LED lights green when the input signal is detected and varies in intensity. The green signal LED varies in

brightness corresponding to the real-time input signal level. It begins to light at – 60dBFS increasing in steps to full intensity

as the signal level increases.

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