4-Ch Bidirectional Forward and Backward Audio over CCTV Fiber Optic Converter
4-Ch Bidirectional Forward and Backward Audio over CCTV Fiber Optic Converter
Model: LNK-4BA Series
Overview
LNK-4BA Audio over Fiber Converter can simultaneously transmit 4-Ch Bidirectional Audio (4Ch Forward Audio + 4Ch Backward Audio) signal through one optical fiber. The product has the audio quality up to CD level. All optical and electrical interfaces are in compliance with international standard, with electromagnetic compatibility design, anti-static and lightning, being suitable for worse working conditions, with high stability and reliability.
Features
- Non-compression digital audio transmission, quality image, and real-time
- Support simultaneous transmission of audio signal
- Audio, input/output voltage level: 2Vp-p
- The interfaces have the function against thunder, static and surge.
- No electromagnetic interference, no radio frequency interference and ground current
- Adoption of VLSI ASIC chip, low power consumption, 4-layer circuit board design, high reliability
- Adopt industrial chip, industrial design; ensure the long-term operation free from trouble under harsh working environment.
- Modular structure, plug and play, hot plug, no need of debugging
- Provide desktop/ card type device, applicable to all cases.
Technical Index
| Audio interface | Audio Channel | 4CH Forward + 4CH Backward |
| Audio input / output impedance | 600Ω (Balance/Imbalance) | |
| Audio input / output voltage | 2Vpp ( typical value) | |
| Audio input / output level | 0 dBm ( typical value) | |
| Audio Digital Bandwidth | 10Hz~20kHz | |
| Audio Digital Bit Width | 24bit | |
| Nominal input output level | S/N≥95dB (weighted) | |
| Audio signal-to-noise ratio | 75dB | |
| Total harmonic distortion | 0.1% | |
| Connector | Audio connector: | Pressure connector |
| Optical flexible connector | FC/PC | |
| POWER | DC | +5V 2A |
| Power consumption | <15W(single end) | |
| Environmental condition: | Operating temperature | -25℃~+70℃ |
| Storage temperature | -40℃~+80℃ | |
| Relative humidity | 0~95%(non condensable) |
Contact Information:
Email: sales(at)e-linkchina(dot)com
Tel: +86 755 83128674
Skype: elinkchina003
WhatsApp: +8613926522845
Application Diagram:
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