AiRocks Pro ARX-900 User Manual Download Page 44

 

44 

 

AIROCKS PRO ARX-900 USER GUIDE V1.0 

5.9

 

D

EPLOYING AND 

M

ANAGING A 

N

ETWORK

 

Deploying an AiRocks network is similar to deploying any other RF network. It takes careful planning and 
close attention to interference sources, path distances, and link-of-sight positioning. The AiRocks 
Network Management System gives the operator a variety of tools to accomplish the planning and 
successful deployment of a well performing network. By using these tools the network operator can 
establish a strategy for deployment in even the most challenging venues. 

5.9.1

 

Node Registration 

Register each AiRocks unit in the NMS database 

It is recommended that you register each AiRocks unit in the NMS database before deployment. During 
this process, and with knowledge of the venue layout, “friendly names” can be assigned to each unit. 
This will help keep track of the location of each unit, especially if names like “Rear Tower” or “Stage 
Right” are used. 

5.9.2

 

Channel Selection Mode 

Decide on whether Auto or Manual Channel Selection is to be used. 

By far the simplest way to deploy an AiRocks network is to leave all Relay units in the “Auto” channel 
selection mode with ALO (Automatic Link Optimization) enabled on all Relay units. This will allow Relay 
units to automatically select the best channels for both transmitting and receiving. Additionally, ALO will 
help avoid any interference that is “transient” in nature, or interference that appears after the initial 
installation has taken place.  

However, fully automatic channel selection may not always be the best choice. For example, if Relay 
units are close together in a “dense” deployment, it may be desirable to manually choose channels for 
each Relay unit based on the receive signal level of the nearest uplink. It may also be desirable to disable 
the Transmit function of some Relay units if there is no need for their transmit signal (i.e. no 
downstream nodes). This way there is no crowding into the channels showing the least local 
interference. 

5.9.3

 

Frequency Scan 

Perform a frequency scan of the local RF environment. 

Use the Spectrum Analyzer screen to determine the level of RF interference in the local area. In most 
cases there will be some level of interference in some portion of the band. However, in most outdoor 
environments this interference will be limited to one or two sections of the band, and/or will be much 
lower in level than indoor environments. With 10 available channels, AiRocks typically has no problem 
finding suitable RF spectrum in most venues. 

5.9.4

 

Mounting Position 

Mount the AiRocks units in an optimum position 

As mentioned earlier, it is best to establish good line-of-sight between nodes. People, trees, buildings, 
and any other solid object can affect useable range of the AiRocks units. 

5.9.5

 

Deployment Sequence 

Deploy units in sequence 

Summary of Contents for ARX-900

Page 1: ...1 AIROCKS PRO ARX 900 USER GUIDE V1 0 AiRocks Pro ARX 900 Digital Wireless Audio Repeater User Guide V1 0 March 28 2015...

Page 2: ...figuration and Display 13 3 1 1 Top Level Menu 13 3 1 2 System Configuration Functions 13 3 1 3 Master Mode configuration functions 14 3 1 4 Relay Mode configuration functions 15 3 1 5 Relay Antenna D...

Page 3: ...Setup Screen 40 5 8 Installing the Network Management System Application 42 5 9 Deploying and Managing a Network 44 5 9 1 Node Registration 44 5 9 2 Channel Selection Mode 44 5 9 3 Frequency Scan 44 5...

Page 4: ...ent applications AiRocks Pro is typically used in large indoor or outdoor venues to distribute audio from a main mixer board to multiple powered speakers distributed over a wide area Based on a novel...

Page 5: ...what are called transceivers These devices give a single unit the ability to be manually configured as EITHER a transmitter OR receiver but not both simultaneously 2 2 THE AIROCKS PRO REPEATER AiRock...

Page 6: ...with multiple branches and sub networks If there is a failure of one of the upstream AiRocks Pro units the downstream units automatically begin scanning for any other AiRocks Pro transmission within...

Page 7: ...functions 2 4 2 Managed Network A managed network is one that employs the AiRocks Pro Network Management System NMS application Use of the NMS is strictly optional but highly recommended since it can...

Page 8: ...of the ARX 900 Wireless Audio Repeater and an optional ARX 900 BOB breakout box The BOB is essentially an extender for the IO ports on the ARX 900 as well as a remote AC or DC power injector Below is...

Page 9: ...nt outdoor enclosure and includes a sealed pushbutton front panel interface with an LCD display The user can configure the unit from either the front panel via the USB port of the BOB or over the air...

Page 10: ...lace the links continue to self optimize to avoid any new or transient local interference The entire ALO scan and optimization takes approximately 2 seconds during which the audio output from the unit...

Page 11: ...Thus the network operator can keep track of any potential interference at any remote Relay location 2 5 2 7 Flash Memory Storage of Configuration Settings All critical user configuration settings are...

Page 12: ...C power may not yet be available The BOB allows the ARX 900 to be place up to 100 feet away i e on a pole to raise it above any obstructions in a venue to provide better line of site to other nodes Th...

Page 13: ...em Configuration Functions 3 1 2 System Configuration Functions System Configuration Channel Select Mode Auto Manual MSP Firmware Version DSP Firmware Version Physical ID PID Startup Screen Default Re...

Page 14: ...Transmit Power Master Receive Channel monitor Master Audio Gain 3 1 3 1 Master Transmit Channel Displays and controls the current downstream transmit channel In Auto Channel Select Mode the transmit...

Page 15: ...appears after power up 3 1 5 Relay Antenna Diversity Antenna diversity is helpful when using the standard dipole antennas This allows the receiver to select the stronger of the two received signals au...

Page 16: ...large venue Up to 500mSec of delay per hop Relay location can be added The delay can be applied either in a cumulative fashion the delay of each hop is added to the relayed signal or non cumulative fa...

Page 17: ...independent audio channels over the air The Master will always transmit XLR Pin 2 Tip Hot on one channel and XLR Pin 3 Ring Cold on the other channel This allows the user to apply at the Master XLR ei...

Page 18: ...0 transmits two independent audio channels over the air This allow the Master to send unbalanced stereo channels on XLR Pins 2 3 Pin 1 is a common ground for both channels The Relay unit can select ei...

Page 19: ...button should be left in L R so that both Tip and Ring signals are applied to the output XLR connector The Balanced Mono audio output connector configuration is shown below In this mode the audio outp...

Page 20: ...channel signal to one stack and a balanced Right channel signal to the other stack When the Relay audio output configuration is set to Left the Left channel audio signal is output as a balanced single...

Page 21: ...21 AIROCKS PRO ARX 900 USER GUIDE V1 0 Figure 10 Balanced Stereo Output Right...

Page 22: ...other ARX 900 units is important but not necessary Distances of more than 1000 feet can easily be achieved with a properly installed unit The unit includes a pole mount which gives the user a variety...

Page 23: ...ttempt to join the network See the Network Management System section for further details on managing the network Note that the audio connectors on the ARX 900 are still active even when the BOB is use...

Page 24: ...he Relay mode and will default to monitoring the received signal level If not press the navigation switches on the unit s front panel to select the Relay mode If the Master unit is transmitting and th...

Page 25: ...LR PowerCon and RJ 45 connectors which are not sealed to water intrusion similar to the design of most powered speakers However when properly mounted in a vertical orientation rain water will not pene...

Page 26: ...Network Management System When a Relay unit joins a managed network it is assigned a unique Network ID This allows the NMS to independently address each Relay unit to monitor its critical parameters s...

Page 27: ...The ARX 900 USB interface uses a standard HID driver which is built into the PC s operating system Therefore no custom USB drivers need to be installed The initial driver installation process can tak...

Page 28: ...en registered in the NMS database During initial deployment the network operator may wish to configure the network as Open to facilitate the deployment process but then switch to Secure once the event...

Page 29: ...connect to the Master Once successfully connected the Relay unit has joined the network and the NMS can be used to monitor and control its functions In the example screen above one Relay unit named St...

Page 30: ...r larger networks the user can using the mouse wheel scroll out so that the nodes appear smaller and more nodes fit within the network map Clicking on a Relay node will select the node Once a node has...

Page 31: ...ut of the audio signal the PER should be very low if not zero The red line indicates the PER while the yellow line indicates the PER threshold The PER threshold is the user selected point at which the...

Page 32: ...works allow unregistered nodes to participate in the network A Secure Network will only allow registered nodes to participate in the network In an Open network unregistered nodes text will appear in r...

Page 33: ...lled by any Relay node in the network Caution should be used when enabling the Poll List since it will cause a doubling of polling traffic on the network control channel which may slow the poll respon...

Page 34: ...ng functions Network ID This is the ID number assigned to the Relay node by the NMS Node Description Location Friendly name assigned by the network operator and registered in the NMS database Register...

Page 35: ...is best to leave this setting at 20dbm TX Enable This controls allows the operator to turn off the downstream re transmission of the unit s received signal thus making the unit a receive only node Th...

Page 36: ...Note that during an ALO sequence the downstream nodes will not be receiving a transmission from the selected Relay node and must reacquire its signal Frame Locked LED Indicates that the Relay node is...

Page 37: ...ally initiate the RF scan which takes about six seconds and plot the results on this graph The user can also display the selected Relay s own uplink and downlink transmission channels by clicking the...

Page 38: ...dio delay added to the audio signal as it leaves the Relay unit 0 500 milliseconds Cumulative Non cumulative Selects whether the audio delay is added only to the audio signal sent out of the local XLR...

Page 39: ...e transmission of the Master and nearby Relay unit s The screen below shows the Spectrum Analyzer mode Transmissions from the Master and any Relay units are shown in green Interference is shown is red...

Page 40: ...Relay Mode Window 5 7 SYSTEM SETUP SCREEN The System Setup Screen displays the NMS Configuration Database entries of each of the registered nodes and their user assigned friendly name To delete node...

Page 41: ...41 AIROCKS PRO ARX 900 USER GUIDE V1 0...

Page 42: ...K MANAGEMENT SYSTEM APPLICATION To install the AiRocks NMS click on the AiRocksNMS msi icon A welcome screen will appear Click Next The following screen gives you the opportunity to change the install...

Page 43: ...43 AIROCKS PRO ARX 900 USER GUIDE V1 0 Click Next to confirm installation After installation click Close To begin using the NMS click the AiRocks NMS icon on your desktop...

Page 44: ...g and receiving Additionally ALO will help avoid any interference that is transient in nature or interference that appears after the initial installation has taken place However fully automatic channe...

Page 45: ...on to re scan and re acquire an uplink signal This exercise should NOT be done during the event The same can be said for RSA Remote Spectrum Analyzer It is a good idea to perform a few RSA scans duri...

Page 46: ...ced Output Input and Output Connectors XLR balanced or unbalanced Input and Output Delay 17mSec Master Input Encode 13mSec Relay Decode Output 30 Master Audio Input to Relay Audio Output 2mSec Relay T...

Page 47: ...or 110 430VDC Input Frequency 47 440Hz Max Input Current 70mA 45mA typ DC Power Nominal Input Voltage 12VDC Maximum Input Voltage 17VDC Minimum Input Voltage 7VDC Power Consumption 2 Watts Environmen...

Page 48: ...operating in conjunction with any other antenna or transmitter 9 INDUSTRY CANADA SPECIFIC STATEMENTS Under Industry Canada regulations this radio transmitter may only operate using an antenna of a ty...

Page 49: ...nnector This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must acc...

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