Bộ chuyển đổi âm thanh mạng TOA NX-300 W

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    TOA NX-300 W

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    TOA

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    Japan

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Thông số kỹ thuật

 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  10 W (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 (*2) (LINE)/-60 dB (*2) (MIC)
 PAD function (-16 dB (*2)), removable terminal block (6 pins)
 Audio Output  2 channels, balanced (transformer isolated), 600 Ω or less
 Rated output: 0 dB (*2) (unbalanced input)/-2 dB (*2) (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)
 Voice packet loss recovery: Silence insertion
 Audio delay time: Min. 20 ms
 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) (*3)
 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 ℃ (14 ゜F to 122 ゜F)
 (0 ℃ to +40 ℃ (32 ゜F 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  210 (W) × 44.3 (H) × 258 (D) mm (8.27" x 1.74" x 10.16")
 Weight  1.7 kg (3.75 lb)
 Accessory  Removable terminal plug (3 pins) …1, Removable terminal plug (6 pins) …2, Removable terminal plug (9 pins) …2, Removable terminal plug (4 pins) …1, Plastic foot …4, Screw for fitting plastic foot …4
 Option  Rack mounting bracket: MB-15B-BK (for rack mounting one NX-300 unit)
 MB-15B-J (for rack mounting two NX-300 units)
 Wall mounting bracket: YC-850
 AC adapter: AD-246
Xem đầy đủ thông số kỹ thuật

I. Điểm nổi bật của bộ chuyển đổi âm thanh mạng TOA NX-300 W:

The TOA NX-300 is a network audio adapter that utilizes packet audio technology (*1). Connecting the NX-300 to a network (LAN or WAN) permits high-quality audio or contact control signals to be transmitted in real time. As existing networks can be used, systems can be constructed with no need for the installation of new wiring. Broadcasts using audio files and up to 8 different levels of priority control can also be made, and provided by stations, factories or other central facilities to individual bases.

Bộ chuyển đổi âm thanh mạng TOA NX-300 W

It can be mounted in an EIA equipment rack (1U size) with the use of an optional rack mounting bracket or installed on a wall using an optional wall mounting bracket. (*1) TOA's unique technology which makes it possible to transmit high-quality audio signals in real time over an IP network. (*1) TOA's unique technology which makes it possible to transmit high-quality audio signals in real time over an IP network.

II. Thông số kỹ thuật bộ chuyển đổi âm thanh mạng TOA NX-300 W:

 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  10 W (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 (*2) (LINE)/-60 dB (*2) (MIC)
 PAD function (-16 dB (*2)), removable terminal block (6 pins)
 Audio Output  2 channels, balanced (transformer isolated), 600 Ω or less
 Rated output: 0 dB (*2) (unbalanced input)/-2 dB (*2) (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)
 Voice packet loss recovery: Silence insertion
 Audio delay time: Min. 20 ms
 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) (*3)
 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 ℃ (14 ゜F to 122 ゜F)
 (0 ℃ to +40 ℃ (32 ゜F 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  210 (W) × 44.3 (H) × 258 (D) mm (8.27" x 1.74" x 10.16")
 Weight  1.7 kg (3.75 lb)
 Accessory  Removable terminal plug (3 pins) …1, Removable terminal plug (6 pins) …2, Removable terminal plug (9 pins) …2, Removable terminal plug (4 pins) …1, Plastic foot …4, Screw for fitting plastic foot …4
 Option  Rack mounting bracket: MB-15B-BK (for rack mounting one NX-300 unit)
 MB-15B-J (for rack mounting two NX-300 units)
 Wall mounting bracket: YC-850
 AC adapter: AD-246


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>> Có thể bạn quan tâm đến: Giải pháp âm thanh thông báo, âm thanh di tản TOA VX-3000

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