Chuyển đổi Quang-điện Audio Converter 4 kênh HO-LINK HL-4AS-20T/R
- Hỗ trợ truyền tín hiệu cho 4 đường audio đi xa qua cáp quang khoảng cách tối đa 20km.
- Băng thông: 10~20kHz.
- Cổng quang: FC.
- Khoảng cách truyền âm thanh: 0~20km.
- Bước sóng: 1310nm&1470nm~1610nm (selection is based on device function).
- Cổng Audio: 4 cổng IN, 4 cổng OUT.
Thông số kỹ thuật
| Fiber index | |
| Wavelength | 1310nm&1470nm~1610nm（selection is based on device function） |
| Tx power | >-7db |
| Rx sensitivity | >-24db |
| Fiber connector | FC（SC,ST,LC, optional） |
| Audio index | |
| Dynamic bandwidth | 96dB |
| Total harmonic distortion (THD) | -88dB |
| Signal-to-noise ratio | -88dB |
| Signal-to-noise ratio（S/N） | -82dB |
| Sampling frequency | 48kHz |
| Audio A/D sampling | 24 Bit |
| Frequency response | 10～20kHz |
| Gain mismatch between channels | 0.1dB |
| Gain error | ±5% |
| Gain drift | 100 ppm/°C |
| Amplitude-frequency characteristic | ≤±0.5 dB |
| Audio input/output impedance | 600 Ω balance |
| Audio maximum input/output voltage | 0~2V |
| Operating index | |
| Operating temperature | -20 to 70°C |
| Storage temperature | -40 to 80°C |
| Relative humidity | 5 to 95%（non-condensing） |
| Working life | >100,000hours |
| Power supply mode | |
| Desktop | DC 5V |
| Rack-mounted | AC 110~240V 50/60Hz |
- Bảo hành: 12 tháng.
