Key facts
- Brand
- OBCC
- Model
- GQ3004
- Category
- Other device
- Industry
- Industrial
- Documents
- 2
- Languages
- ZH
- Last added
- 2011-12-20
Start here
Guangzhou Optical Bridge GQ3004 Telephone Optical Unit User Manual
This manual provides a complete overview of the GQ3004 telephone optical unit, including its modular design, high‑density single‑board construction, and flexible interface options. It describes the device’s features such as 4 voice ports, optional 100 M Ethernet, and support for various data interfaces (E1, RS‑232, FXO/FXS, etc.).
The document also covers technical specifications, environmental requirements, power options, wiring diagrams, and a detailed troubleshooting guide to help users diagnose and resolve common issues. This manual is written in Chinese.
OBCC GQ3004 specifications
| Operating temperature | 0 °C ~ +70 °C |
|---|---|
| Storage temperature | -40 °C ~ +70 °C |
| Input voltage | AC 220 V / DC -48 V |
| Dimensions (W × H × D) | 430 mm × 44.5 mm × 203 mm |
Source: Guangzhou Optical Bridge GQ3004 Telephone Optical Unit User Manual
All OBCC GQ3004 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What power input options does the GQ3004 support?
The device can be powered by either AC 220 V or DC -48 V.
From: Guangzhou Optical Bridge GQ3004 Telephone Optical Unit User Manual
How many voice ports are provided and can they be expanded?
The base unit provides 4 voice ports, and optional FXO/FXS modules can add up to 8 additional lines.
From: Guangzhou Optical Bridge GQ3004 Telephone Optical Unit User Manual