Technical Paper I NA2-IO-DPRO

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Content
1.

IP addresses .................................................................................................................................. 3

2.

Input & Output section in DPRO Controller............................................................................... 6

3.

Switching contacts on XLR connectors ...................................................................................... 7

Technical Paper – NA2-IO-DPRO
Title: NTP13 V1© Neutrik® AG. All rights reserved.

Neutrik AG
Im alten Riet 143
9494 Schaan
Liechtenstein
Author: Wolfgang Hasler© Copyright 2020 Neutrik AG.
All rights reserved2

Technical Paper – NA2-IO-DPRO

settingstandards

1

IP addresses

Although NA2-IO-DPRO has two physical network ports, it hosts 3 network interfaces:•••

Device (1)Primary (2)Secondary (3)Each interface has its own MAC address and requires that a unique IP Address be assigned.
The corresponding three MAC addresses are listed on the serial number label at the bottom of the device.

figure 1: MAC addresses on seriel number label

Technical Paper – NA2-IO-DPRO3

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MAC Dev. (Device) is used for communication with the DPRO Controller. MAC Prim. (Primary) andMAC Sec. (Secondary) are used for communication with Dante Controller.

figure 2: ethernet connections

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Technical Paper – NA2-IO-DPRO

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Be sure the PC (for remote control) and the device are in the same subnet range.
By default, the device interface obtains its IP address automatically by using DHCP.
Follow Device – Network Settings in DPRO Controller to change between AUTOMATIC andMANUAL IP settings.
To set a static IP address:
1.
2.
3.
4.
5.

Choose MANUAL.
Click the pencil.
Type in your defined static IP address.
Click SET STATIC IP ADDRESS to save settings.
Click REBOOT NOW. (The device will use the static IP after reboot.)

figure 3: network setting within DPRO controller

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2Input & Output section in DPRO Controller

The mode in which the device operates (Analog or AES/EBU) is defined by the physical XLR connections
made to it - not by the DPRO controller software.
If there is no physical connection to the input/output XLR connectors of the device, the I/O section andthe corresponding audio parameters are greyed out in the DPRO Controller. No audio adjustments can bemade at this time.

Figure 4: I/O section in DPRO Controller

As soon as a physical XLR connection is made on the device, the I/O section appears, configured according
to that XLR connection. The I/O section can then be adjusted.
In other words, the software follows what is connected physically to the device.

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Technical Paper – NA2-IO-DPRO

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If there is a mismatch between the device‘s physical XLR connections and the presets in the DPRO
Controller, the UI will inform the user.

figure 5: mismatch when loading a preset

For example, a preset that includes analog inputs will not load unless a cable is plugged into input channel

3.

Switching contacts on XLR connectors

NA2-IO-DPRO uses Neutrik’s switching XLR chassis connectors for both Input and Output connections.
These switching XLR connectors detect whether or not a cable is plugged into them.
Physical XLR connections must be made to set the signal type (analog signal or AES/EBU signal).
• If the signal is analog, connect channel 1 (mono) or channel 1 and 2 (stereo).
• If the signal is AES/EBU, connect channel 2 only.
This is true for the inputs as well as the outputs.
AES/EBU carries two separate signals over one physical cable. Therefore, AES/EBU occupies both channels,and channel 1 becomes inactive.
It is not possible to combine an analog signal on channel 1 and AES/EBU on channel 2, as this would mean
three separate signals are present. In this case, channel 1 will have priority, and only the analog signal will
be present.

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NA2-IO-DPRO Technical Paper 2020/10 V1 - NTP13 - Data subject to change without prior notice. © 2020 NEUTRIK . NEUTRIK is a registered trademarks of NEUTRIK AG. ALL RIGHTS RESERVED.

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NA2-IO-DPRO TECHNICAL PAPER

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