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Datasheets
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Manuals
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Quick Installation Guides
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Firmware
Do NOT upgrade firmware on any D-Link product over a wireless connection. Failure of the device may result. Use only hard-wired network connections.
Version Description Date

Firmware

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3/06/2013
Software
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Additional Downloads
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OS Support

  • Device: Windows 2000 / Windows XP /Windows Vista / 3GPP
  • Utility: Windows 2000 / Windows XP /Windows Vista



Networking Protocol

  • IPV4, ARP, TCP, UDP, ICMP
  • DHCP Client
  • NTP Client
  • DNS Client
  • DDNS Client
  • SMTP Client
  • FTP Client
  • HTTP Server
  • Samba Client
  • PPPoE + RTP
  • RTSP + RTCP
  • 3GPP



LAN

  • 10/100BASE-TX port
  • IEEE 802.3 compliant
  • IEEE 802.3u compliant
  • Supports Full-Duplex operation
  • MDI/MDIX auto-negotiation
  • 802.3x Flow Control support for Full-Duplex mode



Wireless Connectivity

  • 802.11b/g Wireless with WEP/WPA/WPA2 Security



Wireless transmit output power

  • 16dbm for 11b, 12dbm for 11g (typical)



Wireless receiver sensibility

  • (11g Packet Error Rate < 10%) 54Mbps: <-66dbm
  • (11b Packet Error Rate < 8%) 11Mbps: < -82dbm



Codecs

  • Video: MPEG-4/MJPEG
  • Audio: GSM-AMR: 8kbps, ADPCM: 8Kbps



Sensor

  • ¼ inch color 1.3MP CMOS Sensor



SDRAM

  • 64 Mbytes


Flash Memory

  • 8 Mbytes



SD-Card slot

  • Supports up to 16GB



LENS



  • Focal Length: 5.01mm, F2.8



MIC

  • 50dB +/- 3dB, Omni-directional



I/O connectors

  • 1 Input (photo relay, active high 12V, +/-3V, dropout: 0 VDC)
  • 1 Output (photo relay, Close circuit current: AC 70mA or DC 100mA; 40Ohm; Open circuit voltage: 240 VAC or 350VDC)



Audio out

  • Yes



Reset button

  • Reset to factory default



Video algorithm supported

  • MPEG-4/MJPEG simultaneous dualformat compression
  • JPEG for still image



Video features

  • Adjustable image size and quality
  • Time stamp and text overlay
  • Flip and Mirror



Video resolution

  • VGA (640 X 480)
  • 640 x 480 at 30fps
  • 320 x 240 at 30fps
  • 160 x 120 at 30fps
  • XGA (1024 X 768)
  • 1024 x 768 at 10fps
  • 512 x 384 at 10fps
  • 256 x 192 at 10fps
  • SXGA (1280 x 1024)
  • 1280 x 1024 at 10fps



Lux

  • 0.5 lux @ F2.8



3A Control

  • AGC (Auto Gain Control)
  • AWB ( Auto White Balance)
  • AES (Auto Electronic Shutter)



Frequency

  • 50~16000Hz



Signal/Noise Ratio

  • 50dB +/- 3dB, Omni-directional



Power

  • External AC-to-DC Switching Power Adapter (Input 100-240VAC / Output 5VDC, 2.5A)



Dimension (WxDxH)

  • 71.9mm x 110.0mm x 37mm (without bracket and stand)



WEIGHT

  • DCS-2121: 281.4g (without bracket and stand)



Operation Temperature

  • 0˚ to 40˚C (32˚ to 104˚F)



Storage Temperature


  • - 20˚ to 70˚C (-4˚ to 158˚F)



Humidity

  • 20-80% RH non-condensing



Emission (EMI), Safety & other certifications

  • FCC Class B
  • IC
  • C-Tick
  • CE