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16 Channel Broadcast XLR Audio over Fiber Converter

View : 380
Type : Audio Fiber Mux
Description :

The fiber audio multiplexer is composed of optical transmitter and optical receiver, can be Set to 8 channel bi-directional audio and 16 channel unidirection audio.


This product uses digital coding technology, and the audio interface is XLR that can realize bidirectional long-distance transmission of audio, data, dry contact and Ethernet signals through a single-mode optical fiber. The maximum transmission distance is 100 km without distortion or relay. The audio interface uses 24Bit AD/DA128K sampling, and it has studio-level transmission quality.


The audio optical transceiver comprises an optical transmitter and an optical receiver, which can be set to 8-channel bidirectional audio mode and 16-channel unidirectional audio mode.


Audio over Fiber Converter Audio over Fiber Converter


All-digital fiber optic transmission platform, multi-service platform with flexible configuration

Audio interface XLR balanced interface, audio power supply for the high-power toroidal transformer, + – 18V power supply, high dynamic range;

Provide ordinary desktop mini-desktop, centralized card rack in various ways

Data interface and audio interface provides three mine-protected, through the ITU-T K.21 (10/700 μS), common mode: 6KV, impedance (40 Ω) test

Single fiber transmission, optional dual fiber

Can receive no light is detected, the remote device is a power failure or fiber cut

Audio uses 24Bit AD/DA128K sampling, and it has studio-grade transmission quality

It provides bidirectional asynchronous data (forward and reverse)

Asynchronous data transfer rate than 110-115.200Kbps

Asynchronous data for RS232/RS485/RS422/Manchester code


● Audio

Signal level: 0.5-4Vp-p

Input/output impedance: 600Ω (unbalanced or balanced)

AD / DA-bit wide: 24Bit

Sampling frequency: 128K

Bandwidth: 20Hz-20KHz

Total harmonic distortion: <1%

Noise ratio (SNR): > 85dB

Connecting terminal: XLR balanced interface


● Fiber

Number of Fiber Ports: 2

Optical Wavelength:

850nm/1310nm for multi-mode optical 

1310nm/1550nm for the single-mode optical interface

Fiber Core: Single/Dual fiber core

Connector: FC/SC/ST/LC(SFP)

Distance: 20km-120km

Typical output power:

single mode 1310/1550nm: >-9dBm

multi-mode 850nm:>-18dBm

multi-mode 1310nm:>-25dBm

Receiver Sensitivity: -28dBm~- 40dBm


● Working Environment

Working temperature: -10°C ~ 50°C

Working Humidity: 5%~95 % (no condensation)

Storage temperature: -40°C ~ 80°C

Storage Humidity: 5%~95 % (no condensation)

MTBF: >100,000 hours




Functional Description

1-16 channel audio Digital Optical, 24bits sampling, sampling precision 128K, XLR audio interface

Port Description

16-channel audio XLR, 1 optical interface


AC220V or DC-48V (power supply optional)


(L × W × H) 440 × 202 × 45mm 19 1U-inch rack




application of xlr to fiber converter

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