OSD725 16/32 channel digital audio optical transceivers are for professional audio signal transmission. It supports 16 or 32 audio channels, with broadcast quality 18 bit digital audio transmission.
The OSD725 is a 16‑ or 32‑channel digital audio optical interface designed for use with broadcast consoles and control rooms. It supports 18‑bit digital audio and is housed in a rugged 2U rack‑mount chassis.
The manual provides performance specifications such as input/output impedance, frequency response, optical wavelength options, power consumption, operating temperature, and humidity ranges, along with contact information for Optical Systems Design Pty Ltd. This manual is written in Chinese.
| Supported audio channels | 16 or 32 |
|---|---|
| Audio word rate | 18‑bit digital |
| Power requirement (OSD725/16) | 95‑265 V AC @ 10 VA |
| Weight | 6 kg |
| Rack size | 2U |
| Operating temperature | 0 °C to 60 °C |
| Relative humidity | 0 % to 95 % RH |
| Input impedance | 600 Ω or 10 kΩ |
| Output level | >70 dB SPL |
| Frequency response | 10 Hz to 20 kHz |
| Optical wavelength | 850 nm (OSD725) / 1310 nm (OSD730L) |
It supports either 16 or 32 audio channels.
The OSD725/16 requires 95‑265 V AC at 10 VA.
The unit operates from 0 °C up to 60 °C.
The OSD725 uses 850 nm, while the OSD730L uses 1310 nm.