Key facts
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ATEN VS-291 / VS-491 Video Switch User Manual
The VS-291 (2‑port) and VS-491 (4‑port) video switches allow multiple computers to share a single monitor using electronic switching, saving space and power. The manual explains how to install the unit, connect video sources and displays, and operate the switch via front‑panel buttons and LED indicators.
It also includes product features, detailed specifications, packaging contents, warranty terms, and online support resources. Safety and electromagnetic compatibility guidelines are provided to ensure proper installation and avoid interference with other equipment. This manual is written in Chinese.
ATEN VS-491 specifications
| Video resolution | 1920 × 1440 @ 60 Hz |
|---|---|
| Supported signal types | VGA, SVGA, XGA, Multi‑sync |
| Power consumption | 9 V: 0.9 W (max) / 12 V: 1.35 W (max) |
| Operating temperature | 0 °C – 50 °C |
| Storage temperature | -20 °C – 60 °C |
| Weight | 0.22 kg |
| Dimensions (L × W × H) | 12.00 × 6.50 × 4.40 cm |
| Cable length | 10 m (30 ft) |
| Input connectors | 2 × HB15 male (VS‑291) or 4 × HB15 male (VS‑491) |
| Output connector | 1 × HB15 female |
All ATEN VS-491 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Do I need to install any software to use the switch?
No, the device can be installed and used without any software installation.
Where can I register my ATEN video switch online?
You can register the product through ATEN’s support sites for global, North America, and China regions.