Axia Analog Node Bedienungsanleitung PDF herunterladen (Seite 7)

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that’s built into every Axia integrated console engine. These en-

gines include I/O for mics, analog and AES inputs and outputs,

GPIO ports and Livewire inputs for networked audio devices,

along with a zero-conﬁguration Gigabit network switch that lets

you daisy-chain up to 4 studios without a core switch. Thanks

to the “all in one” nature of these mixing engines, Axia consoles

are as well-suited for standalone operation as they are for net-

worked installations.

THIS SEEMS LIKE A LOT OF IP TO KEEP TRACK OF. ARE THERE

ANY ADMINISTRATION TOOLS?

All Axia devices have a web browser control and monitoring ca-

pability. You can address them individually, or use our iProbe

network management software, which documents keeps track

of every device connected to your network.

HOW DO I ADD AUDIO SOURCES FROM NON-NETWORKED DE-

VICES TO THE NETWORK?

With xNodes. These come in variants for line and microphone

applications.

There are also a growing number of Livewire partners, offering

dozens of software and hardware products that connect directly

to Livewire via CAT-5. Audio, control and data all travel down that

one cable, making it even easier and more efﬁcient to add new

audio peripherals to your network.

WHAT HAPPENS IF SOMEONE ACCIDENTALLY UNPLUGS A

CABLE? WHAT THEN?

Axia networks utilize network switches with Spanning Tree Pro-

tocol, a link management protocol that provides path redundan-

cy while preventing network loops. Axia xNodes take full advan-

tage of STP, with dual NICs that allow simultaneous, redundant

connections to your audio network. In the event that one cable is

unplugged, audio streams are automatically, seamlessly routed

to the second, redundant connection.

I READ AN ARTICLE ABOUT BROADCAST AUDIO NETWORKS

AND HOW THEY RELATE TO THE OPEN SYSTEMS INTERCON-

NECTION (OSI) REFERENCE MODEL. WHERE DOES AXIA FIT IN

THAT MODEL?

The OSI model is a seven-layer framework that deﬁnes network

functions. Axia operates on Levels 1 through 5 of the OSI model.

The IP Network Layer provides routing capabilities. The UDP Lay-

er provides transport service using port numbers. The RTP Layer

provides additional information about streams, helping to iden-

tify media format and look for dropped or duplicate packets, as

well as other useful functionality using the RTP standard for best

compatibility with other media streaming solutions.

xNODE SPECIFICATIONS

MICROPHONE PREAMPLIFIERS:

h Source Impedance: 150 ohms

h Input Impedance: 4 k ohms minimum, balanced

h Nominal Level Range: Adjustable, -75 dBu to -20 dBu

h Input Headroom: >20 dB above nominal input

h Phantom power: +48VDC, switchable

ANALOG LINE INPUTS:

h Input Impedance: >40 k ohms, balanced

h Nominal Input Range: Selectable, +4 dBu or -10dBv

h Input Headroom: 20 dB above nominal inputMeta

ANALOG LINE OUTPUTS:

h Output Source Impedance: <50 ohms balanced

h Output Load Impedance: 600 ohms, minimum

h Nominal Output Level: +4 dBu

h Maximum Output Level: +24 dBu

DIGITAL AUDIO INPUTS AND OUTPUTS

h Reference Level: +4 dBu (-20 dB FSD)

h Impedance: 110 Ohm, balanced

h Signal Format: AES3 (AES/EBU)

h AES3 Input Compliance: 24-bit with sample rate

conversion

h AES3 Output Compliance: 24-bit

h Digital Reference: Internal (network timebase) or

external reference 48 kHz, +/- 2 ppm

h Internal Sampling Rate: 48 kHz

h Input Sample Rate: 32 kHz to 192 kHz

h Output Sample Rate: 44.1 kHz or 48 kHz

h A/D Conversions: 24-bit, Delta-Sigma, 256x oversampling

h D/A Conversions: 24-bit, Delta-Sigma, 256x oversampling

FREQUENCY RESPONSE

h Any input to any output: +/- 0.5 dB, 20 Hz to 20 kHz

LATENCY

h Analog Input to Analog Output, 2.75ms including

network, converters, and mixing process

h Digital Input to Digital Output, 1.75ms including

network mixing engine (ASRC off)

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