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XLR 1-8 channel pure audio optical transceiver
All aluminum alloy shell, XLR (XLR) audio interface, 24Bit AD/DA128K sampling for audio interface, high-power ring transformer+-18V power supply for a
Product details
Product description
The 1-8 channel integrated multiplexed audio optical transmitter/receiver adopts digital encoding technology, and the audio interface is XLR (XLR). It can realize long-distance bidirectional transmission of audio signals, data signals, switch signals, and Ethernet signals through a single-mode fiber, and can transmit signals without distortion or relay for up to 100Km. The audio interface adopts 24Bit AD/DA128K sampling, with studio level transmission quality.
The audio optical transceiver is composed of an optical transmitter and an optical receiver, and can be configured with 4-channel bidirectional audio and 8-channel unidirectional audio modes.
Features
◆Fully digital fiber optic transmission platform, flexible configuration of multiple services on the same platform;
◆The audio interface is XLR XLR balanced head interface, and the audio power supply is a high-power ring transformer+-18V power supply with high dynamic range;
◆We can provide various ways for ordinary desktop, mini desktop, and centralized plug-in card racks;
◆The data interface and audio interface provide three-level lightning protection function and can pass the ITU-T K.21 (10/700 μ S) common mode: 6KV impedance (40 Ω) test;
◆Single fiber transmission, optional dual fiber;
◆Can detect whether the remote device is powered off or disconnected when there is no light received;
◆The audio adopts 24Bit AD/DA128K sampling, with studio level transmission quality;
◆Provide bidirectional asynchronous data (forward and reverse);
◆Asynchronous data with a transmission rate of 110-115.200Kbps or higher;
◆Asynchronous data can be RS232/RS485/RS422/Manchester codes.
Technical Specifications
◆ Fiber optic section
Multimode fiber:
50/125um or 62.5/125um,
Maximum transmission distance 5Km @ 62.5/125um single-mode fiber, attenuation (3dbm/km)
Wavelength: 820nm
Transmission power: -12dBm (Min)~-9dBm (Max)
Receiver sensitivity: -28dBm (Min)
Link budget: 16dBm
Single mode optical fiber:
8/125um， 9/125um，
Maximum transmission distance of 40Km (customized for larger distances)
Transmission distance: 40KM@9 /125um single-mode fiber, attenuation (0.35dbm/km)
Wavelength: 1310nm
Transmission power: -9dBm (Min)~-8dBm (Max)
Receiver sensitivity: -27dBm (Min)
Link budget: 18dBm
[Note: Users can choose single fiber bidirectional single-mode or multi-mode optical modules]
◆ Audio interface
Signal level 0.5-4Vp-p
Input/output impedance 600 Ω (unbalanced or balanced)
Bandwidth 20Hz-20KHz
Total harmonic distortion<1%
Audio A/D 24bit
Signal to Noise Ratio (SNR): ＞ 85dB
Connecting terminal XLR balanced interface
◆ Electrical and mechanical characteristics
Voltage: AC165V~265V; DC –48V； DC +24V
Power consumption: ≤ 10W
Independent installation size: 445 (length) * 45 (height) * 202 (depth)
Weight: 2.0kg
◆ Work environment
Working temperature: -10 ℃~50 ℃
Working humidity: 5%~95% (no condensation)
Storage temperature: -40 ℃~80 ℃
Storage humidity: 5%~95% (no condensation)
Application Solution
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