User manual for Huawi DBG2, GBD2 and GYCF1 optical high‑voltage trigger modules, covering installation, wiring and technical specifications.
This manual provides the installation, wiring and operating instructions for Huawi's optical high‑voltage trigger modules (DBG2, GBD2, GYCF1). It explains the principle of converting trigger signals to optical signals and back to electrical signals for safe high‑voltage isolation.
The document includes safety precautions, connector details, mechanical dimensions, and service commitments. It is intended for technicians and end‑users who need to set up and maintain the modules in high‑voltage applications. This manual is written in Chinese.
| Input trigger pulse voltage | ≥5 VDC |
|---|---|
| Input trigger pulse current | ≥0.5 ADC |
| Output optical signal type | LED, 820 nm wavelength |
| Maximum communication rate | 5 MBD |
| Maximum transmission distance | 2 km |
| Connector type | ST |
| Matched fiber core size | 62.5–125 µm |
| Operating temperature | -40 °C ~ +85 °C |
| Module dimensions | 115 mm × 90 mm × 40 mm |
| Power input requirement | DC 24 V, 1 A (≥20 W) |
The modules require an input trigger pulse voltage of at least 5 VDC.
The maximum transmission distance is 2 km.
Both fiber optic ports use ST connectors.
The modules operate from –40 °C to +85 °C.