TOA NX-300 Network Audio Adapter

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TOA NX-300 Network Audio Adapter

Part # NX-300PS

Model # NX-300

The TOA NX-300 uses an advanced implementation of its Packet Audio™ streaming technology (same as NX-100) with improved broadcast capacity and system expandability, WAV file record functions and addition of other advanced features.

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Description

Details

The NX-300 uses an advanced implementation of its Packet Audio™ streaming technology (same as NX-100) with improved broadcast capacity and system expandability, WAV file record functions and addition of other advanced features. The NX-300 can be used to create wide area PA and announcement systems over any IP network. Ideal for railway systems, airports, regional business broadcasts, Bank ATMs, parking system communications and industrial facilities.

Features

Features

Transmits16 bit audio w/sample rates up 48kHz for better than CD audio quality
Up to 500 NX-300s can be connected to each other via LAN or WAN
Up to 1,000 links can be established and broadcast patterns
Up to 64 NX-300s can be programmed for use over extremely wide areas
High or low broadcast priority can b set to allow for paging override with alert tones, or announcements
Broadcast patterns may be activated via contact closures or via the on-screen GUI
Dual-channel capable of one-way stereo signal paths or bi-directional (full-duplex) dual mono signals
Transformer balanced ins & outs to accommodate virtually any mic or line level signal
A built-in WAV-file recorder allows record/playback of up to 8 messages each up to 2-minutes in length
The rear panel features a complement of 8 contact inputs and outputs
Adjustable output volume of a broadcast based on a programmed scheduler
System configuration, control and monitoring via the supplied GUI software and also via web browser

Specification

Power Source	Supplied from an external 24 V DC (21.6 − 26.4 V) power supply or AC adapter AD-246 (option) or the equivalent
Power/Current Consumption	10W (AC operation), 310 mA (DC operation)
Audio Input	2 channels, balanced (transformer isolated)/unbalanced changeable,2 kΩ, LINE/MIC changeable, volume adjustable Rated input: −20 dB*1 (LINE)/−60 dB (MIC) PAD function (–16 dB ), removable terminal block (6 pins)
Audio Output	2 channels, balanced (transformer isolated), 600 Ω or less Rated output: 0 dB (unbalanced input)/–2 dB (balanced input), removable terminal block (6 pins)
Frequency Response	50 Hz – 18 kHz (48 kHz sampling frequency, PCM, 0 to –6 dB deviation referred to 1 kHz)
Distortion	0.2% or less (1 kHz, LINE signal level, 48 kHz sampling frequency, PCM, BPF)
Signal to Noise Ratio	73 dB or more (LINE signal level, at rated output)
Separation	70 dB or more (1 kHz, LINE signal level, BPF)
Audio Format	WAV file
Number of Storable Audio Files	Max. 8
Storable Time of Audio File	Max. 2 min. per audio file (16 kHz sampling frequency, Sub-band-ADPCM, monaural operation)
Control Input	8 channels, no-voltage make contact input, open voltage: 24 V DC, short-circuit current: 2 mA or less, removable terminal block (9 pins) (Only Channel 8 equipped with failure detection.)
Control Input Failure Detection Section	Connection resistance to make the function inactive: 20 kΩ ±5% Connection resistance to make the function active: 10 kΩ ±5% Connector cable: Twisted pair cable (Shielded type is recommended.) Maximum cable distance: 10 m
Control Output	8 channels, open collector output (polarized), withstand voltage: 30 V DC, control current: 50 mA max., removable terminal block (9 pins) 2 channels, relay output (non-polar), withstand voltage: 30 V DC, control current: 500 mA max., removable terminal block (4 pins)
Network Section	Network I/F: 10BASE-T/100BASE-TX, Full-duplex/Half-duplex, Auto-negotiation Network protocol: TCP, UDP, ARP, HTTP, RTP, IGMP, FTP, NTP Audio packet transmission system: Unicast (Up to 16 simultaneous transmissions), Multicast (Up to 64 simultaneous transmissions) Connector: RJ45 connector Voice sampling frequency: 8 kHz, 16 kHz, 32 kHz, 48 kHz (controllable on the software) Quantifying bit number: 16 bits Voice encoding method: PCM, Sub-band ADPCM (controllable on the software)
Operation	2 channels, Audio input level control (Convertible to Audio output level control)
Indicator	2 channels, audio input, SIGNAL (green)/PEAK (red), 2 channels, audio output, SIGNAL (green) LNK/ACT (green), BUSY (green), STATUS (green), ERROR (yellow), RUN (green)
Setting Switch	Reset, grand lift changeable, audio input 2 channels PAD changeable, audio input 2 channels LINE/MIC changeable
SD Section	For log storage (Max. 10000) Media: SD/SDHC card (Max. 32 GB) File system: FAT16, FAT32 • Use only SD memory cards rated at 100mA current consumption or less • No SD card provided
Installation Method	Rack, Desk, Surface mount
Operating Temperature	−10 to 50 °C (14 to 122 °F) (0 to 40 °C, or 32 to 104 °F, when AC adapter is in use)
Operating Humidity	90% RH or less (no condensation)
Finish	Pre-coated steel plate, black, 30% gloss
Dimensions (H x W x D)	1.74" (44.3 mm) x 8.27" (210 mm) x 10.16" (258 mm)
Weight	3.75 lbs (1.7 kg)

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