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D-Link DCS-2121 User Manual
The D-Link DCS-2121 is a 1‑megapixel wireless internet camera designed for security and surveillance applications. It supports video resolutions up to 1280 × 1024 pixels and includes low‑light performance down to 0.5 lux at F2.8.
The manual covers installation, network configuration (including 802.11g Wi‑Fi and WPS), video and audio settings, and regulatory information. It also lists supported operating systems such as Windows 2000, XP, and Vista, and provides detailed technical specifications for video, audio, and environmental conditions.
D-Link DCS-2121 specifications
| Image sensor resolution | 1280 × 1024 (1.3 MP) |
|---|---|
| Low‑light sensitivity | 0.5 lux @ F2.8 |
| Video compression formats | MPEG‑4 and MJPEG simultaneous dual‑format |
| Audio sample rates | AMR 8 kbps, PCM 8 kbps |
| Power supply | 5 V 2.5 A switching adapter |
| Operating temperature | 0 °C to 40 °C |
| Storage temperature | -20 °C to 70 °C |
| Humidity range | 20 %–80 % RH non‑condensing |
| Regulatory certifications | FCC, CE, IC, C‑Tick |
All D-Link DCS-2121 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 supply does the camera need?
It uses a 5 V 2.5 A switching power adapter, with optional external AC‑to‑DC adapters for various regions.
What is the maximum video resolution of the D-Link DCS-2121?
The camera supports up to 1280 × 1024 pixels.
What is the minimum illumination required for the camera?
It can operate in low light as low as 0.5 lux at F2.8.