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- Page 1 NEXUS 4split SIGNAL DISTRIBUTION Operators Manual V 1.1 09/05/2024...
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Page 2: Table Of Contents
2.2.9 Support ....................................11 2.3 // Declaration of Conformity .............................. 12 3 // SETUP..................................... 13 3.1 // Setting up NEXUS 4split..............................13 3.2 // Wordclock and synchronisation ............................. 13 3.3 // Configuring the Webserver............................. 14 4 // OPERATION..................................... 15 4.1 // Users / Concept of operation ............................ - Page 3 Quality of Service (QoS)................................40 5.2.5 Multicast/Unicast ...................................41 5.2.6 Stream Parameters ................................41 5.2.7 Stream Discovery ..................................42 5.2.8 Input Stream Settings - Stream Discovery ...........................42 5.3 // Setting up Dante – Dante controller operation ......................43 3 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split...
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Page 4: Introduction
(12" - WLAN required) or any service computer with login credentials. Unparalleled functionality Harness the power of cutting-edge technology with the STAGETEC 32-bit TrueMatch XMIC+ microphone input stage for analog-to-digital conversion. This stage serves as the gateway for transformed inputs, delivering signals in four distinct formats simultaneously: ANALOG, DANTE, MADI, and AES67. -
Page 5: Fig. 2 Different Versions Of Nexus 4Split
Introduction Fig. 2 Different versions of NEXUS 4split Future-proof design Plan for expansion from the outset. Considering the physical space needed for analog outputs, select the ideal number of slots during your initial order. This foresight enables seamless retrofitting of additional output formats or an increased input channel count, ensuring your investment remains adaptable. -
Page 6: The Truematch Technology
TrueMatch Logic STAGETEC has invested many years of hard work into the development of a method that does not only convert audio signals but also permanently monitors all amplifiers and A/D converters involved; all relevant values are constantly being measured with extreme accuracy. -
Page 7: Fig. 3 Truematch Converter
A/D converters. TrueMatch has been patented in most countries and has also been licensed to other manufacturers. STAGETEC uses the system in all high- quality converters, for example, for the XAD and XMAD/XMIC boards. -
Page 8: General Information
2.2 // NOTES ON SECURITY The NEXUS 4split digital audio-routing system is a quality product for professional signal distribution. Please read the following notes and safety instructions carefully to prevent personal injuries or system damages and to ensure reliable operation for many years. -
Page 9: Safety Instructions
General Information 2.2.2 Safety instructions The following safety instructions must be observed when using NEXUS 4split systems. The physical weight of the systems and dangerous internal voltages impose a risk of injury! Read the following information carefully and thoroughly! Power Supply •... -
Page 10: Storage And Operation
Make sure all ground wires are properly connected. • Run the cables in a way that nobody can trip over them. • Place base devices on level and stable supports only. 10 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 11: Maintenance
Servicing and repair work is to be performed by qualified personnel only. This especially applies to the replacement of power-supply units. If need be, the boards of the NEXUS 4split can be replaced by the user, too. The system is designed in a way that base-device boards can be installed and removed during operation. -
Page 12: Declaration Of Conformity
General Information 2.3 // DECLARATION OF CONFORMITY We hereby confirm that the products NEXUS audio-routing system (incl. NEXUS 4split) comply with the requirements in the following EC directives: 12 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 13: Setup
Next, connect one of the ethernet ports of the XACI card to your control network or to a WIFI router. By default, the NEXUS 4split is configured in DHCP mode and will be reachable by its hostname. The default hostname can be found on the device at delivery. -
Page 14: Configuring The Webserver
The following screenshots guide you through the process. The program can be installed from the Stagetec website. Fig. 4 NexusService5.exe - Static IP address with Hostname “SPLIT-XACI” Fig. 5 “Static IP” or “DHCP” configuration options http://www.stagetec.com 14 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 15: Operation
4.1 // USERS / CONCEPT OF OPERATION NEXUS 4split is designed to serve as an alternative to an analog signal splitting device. It makes the need for analog splitting and several, individual stage boxes obsolete. This is only practical, if each connected receiver (console, DAW…) is able to set it’s own levels and gain structure. -
Page 16: Basic Structure
The “Central Pane” is the center of operation. All settings will be made in here. Bottom menu pane The “Bottom menu pane” allows switching between [Mic Controls] and [Config]-mode and provides access to further functionalities, such as “Save Configuration”. 16 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 17: Global Functions
Device Page (see page Logic Button #3: This button reflects whether the NEXUS 4split is synced to external or using the internal word clock. Depending on the configuration, it might not be visible. More information on the Logic Buttons can be found here: Device Page (see page 20) -
Page 18: Managing Presets
Pressing the floppy disc symbol on the right of the bottom menu pane opens the “Presets” page. From here it is possible to store up to 16 presets directly in the NEXUS 4split that contain all parameters of the device. These presets can be assigned to “Quick Load”-buttons for quick access. -
Page 19: Mic Controls Page
Pressing [Solo] will route this input to the selected solo-output. Information on how to assign solo-outputs can be found here: Outputs Page (see page 22) [Input Label], to change the label of the input, click on the [Label] and enter the new label. 19 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 20: Config Page
Enable (view) or disable (hide) this button for all users Clickable If a button is clickable, a logic action can be triggered. If it is not clickable, it will only reflect the state. 20 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 21: Sync Select
State NEXUS 4split is using it’s internal wordclock with the selected sample rate. NEXUS 4split is using the selected wordclock input and the incoming word clock is valid and matches the selected sample rate. The word clock present at the selected input does not match the selected sample rate. In that case, NEXUS 4split will use the internal word clock according to the selected sample rate. -
Page 22: Outputs Page
Select the output format for the solo bus [Line Out] [A], [B], [C], [D] A-D correspond to the last four outputs of the selected format. Choose which output the solo bus should be routed to. 22 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 23: User Page
Grant access to features. Currently, “Global Presets” and “Config” are implemented. “Config” can only be deactivated for User 2-4. Split Access Use the “Split Access”-Matrix to grant access to splits. Once access is granted, the selected split options will become available in the users' web-GUI. 23 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 24: Global Presets Page
[Refresh] Press [Refresh] to re-load/update the list [>] If a thumb drive contains more items as can be displayed in the list, use [>] to navigate to the next page 24 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 25: Appendix
This may lead occasionally to dropped packets despite signaling an otherwise proper link status. 25 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 26: Ip Addressing
AES67 ceasing to work at all after traversing a WAN link. You may have to consult with your network administrator to discuss options to remove or bypass this constraint, if it exists. 26 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 27: Ptp
“green” light or see offset numbers in the single-digit microseconds or sub-microseconds range, you are usually good. Remember to check those indicators from time to time during regular operation. 27 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 28: Discovery
SDP-related data traffic, no audio is passed through the PC (unless your PC also hosts an AES67-capable virtual sound card). RAV2SAP is available on the RAVENNA web site - https://www.ravenna-network.com/usingravenna/support/downloads/ 28 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 29: Device Configuration
If you have PTP-aware switches in the network, it may help to switch PTP support off to diagnose the situation. If the situation corrects after switching off PTP support, you need to carefully check all PTP-related settings in the PTP-aware switches. 29 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 30: Ptp Accuracy
Other variations are recommended, but not required to be supported. Therefore, we focus on a typical AES67 stream setup: a stereo stream with L24 encoding running at 48 kHz with 1ms packet time. 30 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 31: Creating Aes67 Streams
The stream is immediately started and available on the network. The stream packets will reach the first switch where they are dropped unless another device has registered to this stream by IGMP. 31 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 32: Accessing The Sdp Data
The streams available on the network will be directly visible in the desired receiver and the SDP data will be transferred when setting up the connection; no further action has to be taken at this stage 32 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 33: Fig. 19 Rvsc Screen Shot: Tx Stream Sdp Link
This will open the Windows text editor (or any application linked to text files): Fig. 21 Opening SDP data with editor The SDP data can now be copied (or saved) and used for setting up a connection to this stream at the desired receiver. 33 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 34: Receiving An Aes67 Stream
(usually by name) and executing the connection function. In the RVSC, hit open the Rx creation dialog (“Connect Rx Stream”): Fig. 22 RVSC screen shot: RX stream properties (stream source selection) 34 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 35: Fig. 23 Rvsc Screen Shot: Rx Stream Properties (Stream Parameters Filled In)
Other devices or AoIP systems may offer predefined (sometimes even system-wide) latency classes like low / medium / high or the equivalent. 35 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 36: Fig. 24 Rvsc Screen Shot: Rx Stream Properties (Channel Assignment)
The RVSC offers statistic displays where the current packet jitter can be visualized (other devices may offer numerical values to indicate current PDV): Fig. 26 RVSC SCREEN SHOT: statistics with packet jitter and receiver buffer utilization 36 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 37: Fig. 27 Rvsc Screen Shot: Rx Stream Properties With Pasted Sdp Data
Rx section of the overview screen: Fig. 28 RVSC screen shot: overview with 2 RX streams connected 37 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 38: Setting Up Aes67 Audio Streams - Direct Out Gui Operation
All other units should be set to “auto”. At the same time you need to select “extern” from the Clock master drop down list on the “Status” tab. Fig. 29 PTP Master or slave status Fig. 30 PTP-Mode 38 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 39: Fig. 31 Ptp Extern
PTPv2 is not compatible with PTPv1 (IEEE1588-2002) which is used in e.g. closed Dante networks. A Dante interface supporting AES67 is capable of listening to PTPv2 and acting as translator to PTPv1. Fig. 34 Dante controller - unit as PTP translator between PTPv1 and v2 39 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 40: Igmp
Dante devices. This adjustment affects all streams which are created in that device, single streams cannot get tagged individually. Under Network Advanced Settings on the “Advanced” tab you will find drop down lists for those adjustments. Fig. 36 DSCP values Dante AES67 40 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 41: Multicast/Unicast
On the „Status“ tab you will find the configuration windows for Output Streams. Define a stream name and set the above mentioned parameters as well as the multicast IP address of the stream. 41 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 42: Stream Discovery
2.67ms/128 samples if the packet time at the sender is set to 1ms/48 samples). DirectOut MONTONE.42 and RAV.IO show a warning under Stream State Messages such as RTP time stamp out of bound if the offset value is too low and packets arrive too late to be played out on time. 42 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... -
Page 43: Setting Up Dante - Dante Controller Operation
For further instructions how to map audio channels etc., please take a close look into the manual of MONTONE.42 and RAV.IO 5.3 // SETTING UP DANTE – DANTE CONTROLLER OPERATION For information on how to setup Dante-networks, please find documentation here: https://my.audinate.com/resources/technical- documentation 43 // OPERATORS MANUAL SIGNAL DISTRIBUTION | NEXUS 4split... - Page 44 TABLE OF FIGURES Fig. 1 Application example ..............................4 Fig. 2 Different versions of NEXUS 4split ..........................5 Fig. 3 TrueMatch converter ..............................7 Fig. 4 NexusService5.exe - Static IP address with Hostname “SPLIT-XACI” ................. 14 Fig. 5 “Static IP” or “DHCP” configuration options........................ 14 Fig.
- Page 45 STAGETEC GmbH Tabbertstraße 10-11 | 12459 Berlin | Germany T. +49 (0) 30 / 63 99 02 0 sales@stagetec.com www.stagetec.com...
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