This is a product manual for DIGITAL IO BOX E, including product usage instructions, function introduction and precautions, etc.
The DIO8 is a digital I/O box designed for Yamaha PM1D digital audio mixing systems. It accepts up to eight digital or analog I/O cards and connects to DSP1D/DSP1D‑EX engines via the CS1D control surface. The manual covers safety precautions, installation, wiring, card installation, and operation.
Key sections include FCC information and safety warnings, front and rear panel descriptions, the VO UNIT ID indicator, error display messages, the PORT B SELECTOR function, wiring diagrams for power and word clock, optional interface cards, installation steps for I/O cards, and full technical specifications such as power requirements, dimensions, and environmental limits.
| Sampling frequency (external sync) | 39.69 kHz — 50.88 kHz |
|---|---|
| Power supply (USA/Canada) | 120 V, 60 Hz |
| Power supply (Other regions) | 230 V, 50 Hz |
| Power consumption | 70 W |
| Dimensions (W x H x D) | 480 mm x 185.5 mm x 411.6 mm |
| Weight | 15.5 kg |
| Operating temperature | 10‑35 °C |
| Power cord length | 1.5 m |
| Inrush current (European model) | 10 A |
Set the PORT B SELECTOR to 5‑8 to assign slots 1‑4 to PORT A and slots 5‑8 to PORT B, or set it to 1‑4 to make only PORT B available for input and output signals.
The messages indicate connection problems, such as the OUTPUT connector being linked to the DSP’s OUTPUT instead of INPUT (display "£7"), or a missing or incorrect word clock (display "UL").