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D-Link DCS-2121 User Manual

Dcs-2121 megapixel wireless internet camera
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  Summary of Contents for D-Link DCS-2121

  • Page 2: Table Of Contents

    Table of Contents Package Contents ...............................................1 Minimum System Requirements..........................................2 Introduction ..................................................3 Features and Benefits..............................................4 Hardware Overview ..............................................5 Hardware Installation ..............................................7 Attach the Antenna ...............................................7 Connect the camera base ............................................7 Connect the Ethernet Cable ..........................................8 Connect the Power Adapter ..........................................8 Software Installation ..............................................9 Install Setup Wizard Software............................................14 Using the Setup Wizard .............................................18 Using the ffdshow ..............................................22...
  • Page 3 HELP ..................................................48 Installing the DCS-2121 Behind a Router........................................49 1) Identify Your Camera on the Network .....................................49 2) Assign a Local IP Address and Port for Your Camera ................................50 3) Open the HTTP Port ..........................................51 4) Open Virtual Server Ports to Enable Remote Image Viewing ..............................53 Viewing Your Camera Over the Internet ........................................54...
  • Page 4: Package Contents

    Package Contents If any of the below items are missing from your package, please contact your retailer. DCS-2121 Megapixel Wireless Internet Camera  D-Link DCS-2121 Megapixel Wireless Internet Camera  Detachable antenna  CAT 5 Ethernet Cable  Power Adapter ...
  • Page 5: Minimum System Requirements

    Minimum System Requirements  Wired (10/100 Fast Ethernet) network  Wireless 802.11g network  PC with:  1.3 GHz processor or higher  128 MB memory or more  Windows XP SP2 or Vista  Internet Explorer 6 or higher ...
  • Page 6: Introduction

    Congratulations on your purchase of the DCS-2121 Megapixel Internet Camera! The DCS-2121 is a versatile and unique solution for your small office or home. Unlike a standard webcam, the DCS-2121 is a complete system with a built-in CPU and web server that transmits high quality video images for security and surveillance.
  • Page 7: Features And Benefits

    Web browser to a local hard drive without installing any software, making it convenient to instantly capture any moment from a remote location.  Record Directly to a NAS: The DCS-2121 allows you to record directly to a local network area storage device without the use of a dedicated PC for storing recorded video.
  • Page 8: Hardware Overview

    Hardware Overview Front Back Camera lens Antenna connector Focus ring WPS button and LED Status LED 10. Camera base mount Microphone Wireless antenna SD Card slot Reset button...
  • Page 9 Bottom External speaker jack Power jack Ethernet port DI/DO port...
  • Page 10: Hardware Installation

    Hardware Installation Attach the Antenna Screw the wireless antenna onto the antenna connector. Connect the camera base 1. Screw the base stem into the base. 2. Take the hinge bracket and tighten the wheel. 3. Screw the hinge bracket into the base stem. 4.
  • Page 11: Connect The Ethernet Cable

    DCS-2121 and attach it to your network switch or router. Connect the Power Adapter Attach the power adapter to the power jack located on the bottom of the DCS-2121 and connect the power adapter to a power outlet. After connecting the power adapter, you should see the Status LED on the front of the camera turn on.
  • Page 12: Software Installation

    Using D-Link Click ‘n Connect Turn on the computer and Insert the D-Link DCS-2121 Installation CD in the CD-ROM drive. Use the D-Link Click ‘n Connect utility for initial setup. The following step-by-step instructions will be shown in Windows® XP. The similar steps and screens will be shown for other Windows operating systems.
  • Page 13 will be needed later. Click Next to continue. Click Next If you have not yet connected the Ethernet cable to the camera, do so now. Connect the other end of the cable to your computer or to the LAN. Click Next to continue. Click Next...
  • Page 14 If you have not yet connected the power, do so now. Check the LED on the front of the camera to make sure it is powered on. Click Next to continue. The utility will begin to search for the camera. It uses the MAC ID to identify it. Click Next If the camera is successfully located, the MAC ID you wrote down previously appears in the MAC ID List.
  • Page 15 If your network does not have an active DHCP server, it is necessary to assign IP settings to the camera. It is necessary to supply LAN IP settings for the camera. If you have an active DHCP server (such as a broadband router) the IP settings are automatically configured. Note: Users that are connecting the camera directly to a DSL modem and intend to access the camera through the Internet must configure the device for the type of connection used for the Internet connection.
  • Page 16 “admin” leave the password entry blank and click the OK button. See below for more information on using the camera’s web interface. Click Exit to quit the D-Link Click ‘n Connect utility. Click Exit to quit or...
  • Page 17: Install Setup Wizard Software

    Install Setup Wizard Software The DCS-2121 includes Setup Wizard software as an alternative to using the D-Link Click ‘n Connect utility for camera setup. Users might also want to install the Setup Wizard on their system to be able to re-install or install new cameras in the future.
  • Page 18 Click the Next button to proceed with the installation of the Setup Wizard. You will be able to choose where to put the software on your computer in a menu that appears later. Click Next. Read the License agreement and click Yes if you agree and want to proceed with installation. Click Yes.
  • Page 19 To use the default location on your computer for the Setup Wizard software, click Next. If you prefer to put the software in a different location than that listed, click the Browse button, select the desired location and click Next to continue. Click Next.
  • Page 21: Using The Setup Wizard

    Using the Setup Wizard To run the Setup Wizard, click on Start Programs D-Link Setup Wizard SE. The Setup Wizard will then scan for all available cameras connected to your wired network. Each camera will appear with its MAC address, current IP address, and camera name.
  • Page 22 Here, you can set whether the camera should use a direct or static IP. If you use a static IP, the camera's IP Address, Subnet Mask, Gateway, and DNS addresses must correspond with your network settings for you to access the camera.
  • Page 23 If you need to make any changes, click Back to modify your camera settings. Otherwise, click Restart to save and apply your settings. This may take a few minutes. Camera setup is now complete! Wait until the Link LED on the camera turns green, then click Link to launch your Web browser and view your images.
  • Page 24 After you click the Link button, the Installation Wizard will automatically open your Web browser to the IP address of the DCS-2121 and prompt you for a user name and password. Enter “admin” into the User name field, and then click OK.
  • Page 25: Using The Ffdshow

    Using the ffdshow Now, click on ffdshow from the autorun screen. This will install the proper codecs that will allow you to playback video taken by the DCS-2121. Click I Agree...
  • Page 26 Click Next Click Install. Click Close.
  • Page 27 Before using ffdshow, you must configure its properties. From your computer, please click on Start Programs ffdshow Configuration. At the ffdshow properties window, scroll to the bottom and click Miscellaneous. Be sure that Autodetect is checked and that Error resilience and Error concealment are set to “none”. Click OK and close the window.
  • Page 28: Adjusting The Camera Focus

    Note: You can adjust other settings such as brightness, contrast, orientation in the SETUP > Image Setup section of the web interface. Warning: Direct exposure to sunlight may cause permanent damage to the CMOS sensor. Therefore, do not expose the DCS-2121’s lens to direct sunlight. The camera is designed for indoor usage. Focus Ring...
  • Page 29: Setting Up A Wireless Connection With Wps

    Setting up a Wireless Connection with WPS If your wireless access point or router supports push-button Wireless Protected Setup (WPS), you can quickly WPS button configure your wireless network and camera without using the camera’s web interface. After plugging the power adapter to your camera and the front status LED lights up, hold down the WPS button on the back of the camera for 3 seconds.
  • Page 30: Using The Configuration Menu

    Click the “Link” button will open up the main configuration page. If you would like to open the configuration page from a Web Browser, enter the IP address that you assigned to your DCS-2121. In this example, the IP address of the camera is
  • Page 31: Live Video

    LIVE VIDEO This section allows you to set up your IP camera's live video by using the buttons below. LIVE VIDEO > Camera Video Profile: You can change between your different viewing profiles, which you can set up in SETUP > Audio and Video.
  • Page 32: Setup

    SETUP This section allows you to further set up or change the configuration of your IP camera. SETUP > Wizard The setup wizards guide you through initial setup of your IP camera. You can use the Internet Connection Setup Wizard for initial network setup, and you can use the Motion Detection Setup Wizard to set up motion detection and snapshots.
  • Page 33: Setup > Network Setup

    For additional help on configuring your camera to work with your router, please refer to Installing the DCS-2121 Behind a Router later in the User Manual. For installing multiple cameras, ONE port per camera must be opened on your router, the Web server (HTTP) port.
  • Page 34: Setup > Wireless

    SETUP > Wireless To set up your IP camera's wireless network interface settings, enable Wireless Settings in this window first. Then continue the further configuration next. Site survey: Clicking this button will scan for available wireless networks. After scanning, you can use the dropdown box to select an available wireless network, and related information(SSID, Wireless Mode, Channel, Authentication, Encryption) will be automatically filled in for you.
  • Page 35: Setup > Dynamic Dns

    IP address and that address is used only for the duration of that specific connection. With the DCS-2121, you can set up your DDNS service and the DCS-2121 will automatically update your DDNS server every time it receives a different IP address. Depending on the service, this update may take a few hours.
  • Page 36: Setup > Image Setup

    This will flip the image horizontally in such a way that your left side will be on the left side of the screen and vice versa. Note: Mirror and Flip can be used if you choose to mount the DCS-2121 upside down on the ceiling.
  • Page 37: Setup > Audio And Video

    SETUP > Audio and Video This Audio and Video option allows you to set up your IP camera’s video quality, resolution, and frame rate. Video Sensor Sensor Output: You can set the camera's sensor output to VGA quality (640x480), XGA quality (1024x768), or SXGA quality (1280x1024).
  • Page 38 Night Mode Night mode allows the camera to use a longer shutter speed when the camera is in a low-light environment. If the camera is in an area where there is sufficient lighting, Night Mode will not affect the video stream. Enable Night Mode: Check this box to enable Night Mode.
  • Page 39: Setup > Motion Detection

    SETUP > Motion Detection This option allows you to set up Motion Detection on your IP camera. In order to use motion detection you must first check the Enable Video Motion checkbox. You can then click on the video window and draw motion detection zones by clicking and dragging your mouse. Red areas indicate areas that will be monitored for motion.
  • Page 40: Setup > Time And Date

    SETUP > Time and Date This option allows you to configure, update, and maintain the correct time on the internal system clock. From this section you can set the time zone that you are in and set the NTP (Network Time Protocol) Server.
  • Page 41: Setup > Recording

    SETUP > Recording This option allows you to configure recording settings and scheduling. You can record video to a Secure Digital card inserted into the SD card slot, or you can have video saved to a Samba network drive. Enable recording: Check this checkbox to enable the recording feature. After enabling recording, you will need to select a location to record to (SD Card or Samba network drive), and you will need to select a scheduling method.
  • Page 42 Recording Options Resolution: This will let you set which video profile you wish to use to record video. Please note that if the bitrate(bps) of the video profile is higher than your Samba network drive's throughput, the recording’s framerate(FPS) may be reduced. Record until: You can use this setting to adjust how much free space must remain when recording.
  • Page 43: Setup > Snapshot

    SETUP > Snapshot Here, you can set the camera to take snapshots when motion is detected and/or when a signal is sent to the DI input. Snapshots can be sent to an e-mail address and/or to an FTP server. Enable Snapshot: Check this box to enable the snapshot feature. Trigger Event: Motion detection: This will set the camera to take a snapshot whenever motion is detected.
  • Page 44 FTP Server: When checked, the camera will send the snapshots it takes to the e-mail address specified in the text fields. If you do not know what information to enter, contact the administrator of the FTP server for details. User Name: Enter the User Name of your FTP account. Password: Enter the Password of your FTP account.
  • Page 45: Setup > Digital Output

    SETUP > Digital Output This screen allows you to enable the Digital Out (D/O) port, and allows you to select what events will trigger the Digital Out signal. Enable D/O: Check this box to enable the D/O port. Motion Detection: When checked, the D/O port will send a signal whenever motion is detected by the camera.
  • Page 46: Maintenance

    MAINTENANCE MAINTENANCE > Device Management Here you can change the Admin password, add and manage Users, and adjust some camera settings. Admin Password Setting: This section lets you change the admin password used to log in to the camera and adjust settings. After installing the camera for the first time, it is highly recommended that you change the admin password for security purposes.
  • Page 47: Maintenance > Backup And Restore

    MAINTENANCE > Backup and Restore This screen allows you to save and restore the camera’s current configuration. You can also reset all settings to factory default, and reboot the device. Save To Local Hard Drive: Click on the Save Configuration button to save the current configuration to a hard drive.
  • Page 48: Maintenance > Firmware Upgrade

    MAINTENANCE > Firmware Upgrade Here, you can see your current firmware version and you can also upgrade your firmware with a new version. Firmware upgrades are made available at To upgrade your firmware, go to and download the latest firmware to your computer’s hard drive.
  • Page 49: Status

    STATUS The Status section provides the detail information about your IP camera. STATUS> Device Info This screen shows you various information about your camera and its current settings.
  • Page 50: Status> Log

    STATUS> Log The log shows you a list of events that have happened recently. You can download the log by clicking the Download button, or you can empty the log by clicking the Clear button.
  • Page 51: Help

    HELP The Help screen provides you with support information about the DCS-2121 for your reference.
  • Page 52: Installing The Dcs-2121 Behind A Router

    Installing the DCS-2121 Behind a Router If you connect your cameras to an Internet router, follow these steps to allow remote access to your cameras, so you can access your cameras from any Internet-connected PC: 1) Identify your camera on the network 2) Assign a local IP address and port for your camera 3) Determine your router’s WAN IP Address (Enable Remote Viewing)
  • Page 53: Assign A Local Ip Address And Port For Your Camera

    You may use the default camera IP Address of If you wish to use a different IP Address, be sure that the camera settings correspond to your network settings. The Default Gateway will be the IP Address of your router’s Local IP Address (e.g., if you are using a D-Link router)
  • Page 54: Open The Http Port

    3) Open the HTTP Port The HTTP Port option is used when multiple cameras are being installed behind a single public IP address and will be accessed remotely OR for using a port other than the default port for image viewing. For each additional camera that is installed, you must assign the appropriate Web server port for each camera to enable remote viewing.
  • Page 55 Router Setup The following steps generally apply to any router that you have on your network. The D-Link DIR-300 is used as an example to clarify the configuration process. Your WAN IP Address information will be listed on following window.
  • Page 56: Open Virtual Server Ports To Enable Remote Image Viewing

    4) Open Virtual Server Ports to Enable Remote Image Viewing The Virtual Server Ports of your router must be opened for remote access to your camera. This is also referred to as port forwarding. Please proceed as follows:  Select Enabled to enable virtual server settings. ...
  • Page 57: Viewing Your Camera Over The Internet

    Viewing Your Camera Over the Internet After all settings have been entered correctly, a user inside or outside your network will have access to the camera through a standard Web browser. To access your camera, simply type in the IP Address of the router given to you by your ISP, a colon, and the HTTP port number that you gave your camera. http://<ip address>:<port>...
  • Page 58: Frequently Asked Questions

    7 Can the Internet Camera be used as a webcam for my computer? No, the Internet Camera only functions through an Ethernet or wireless network. Other cameras such as the D-Link DSB-C110 and DSB-C310 can be used as a PC Camera (webcam).
  • Page 59: Internet Camera Installation

    10 Why can’t I access the Internet Camera from a web browser? A possible cause might be that the IP Address for the Internet Camera is already being used by another device. To correct the possible problem, you need to first disconnect the Internet Camera from the network.
  • Page 60 18 Why are no images available through the Web browser? ActiveX might be disabled on your web browser. If you are viewing the images from Internet Explorer, make sure ActiveX has been enabled in the Internet Options menu. You may also need to change the security settings on your browser to allow the ActiveX plug-in to be installed. If you are using Internet Explorer version 5 or lower, then you will need to upgrade your Web browser software in order to view the streaming video transmitted by the Internet Camera.
  • Page 61: How To Ping Your Ip Address

    How to Ping Your IP Address The PING (Packet Internet Groper) command can determine whether a specific IP Address is accessible by sending a packet to the specific address and waiting for a reply. It is a very useful tool to confirm if the IP Address conflicts with the Internet Camera over the network. Follow the step-by-step procedure below to utilize the PING command.
  • Page 62 If you fail to connect to your camera you will see the following: Check to see if you have entered your camera’s IP Address correctly or reassign your camera’s IP Address.
  • Page 63: Time Zone Table

    Time Zone Table (GMT -12:00) International Dateline West (GMT -11:00) Midway Island, Samoa (GMT -10:00) Hawaii Island (GMT -09:00) Alaska (GMT -08:00) Pacific Time (US & Canada); Tijuana (GMT -07:00) Mountain Time (US & Canada) (GMT -06:00) Central Time (US & Canada) (GMT -05:00) Eastern Time (US &...
  • Page 64: Di/Do Input Specifications

    DI/DO Input specifications DO Digital Output:  Normal: open circuit  Trigger: short circuit After powering on or rebooting the DCS-2121, the camera will be in Normal mode by default. DI Digital Input:  Normal: no current  Trigger: 12V current As the Digital Input signal is controlled by an external device, we recommend that you set your device to feed no current normally, and feed a 12V current only to trigger a DI event on the DCS-2121.
  • Page 65: Technical Specifications

    Technical Specifications Video Codec MPEG-4 / MJPEG Audio Codec GSM-AMR: 8kbps, ADPCM: 8Kbps Sensor 1/4" color 1.3MP CMOS sensor SDRAM 64 Mbytes Flash Memory 8 Mbytes SD-Card Slot Supports SD Cards up to 16GB Lens 5.01mm, F2.8 • 10/100BASE T port •...
  • Page 66 Audio Out Reset Button Reset to factory default Dimension (WxDxH) 71.9mm x 110.0mm x 37mm (without bracket and stand) Weight DCS-2121: 281.4g (without bracket and stand) Max Power Consumption • 6W • Input: 100-240VAC, 50/60Hz • Output: 5VDC, 2.5A Networking Protocol •...
  • Page 67 Video Algorithm Supported • MPEG-4/MJPEG simultaneous dual-format compression • JPEG for still image Features • Adjustable image size and quality • Time stamp and text overlay • Configurable motion detection zones Resolution 1.3M: 1280 x 1024 at up to 10fps 1024 x 768 / 512 x 384 / 256 x 192 at up to 10fps 300K: 640 x 480 / 320 x 240 / 160 x 120 at up to 30fps...
  • Page 68 OS Support Device Windows 2000 / Windows XP / Windows Vista / 3GPP Mobile Phone Utility Windows 2000 / Windows XP / Windows Vista Physical Environment Power • 5V 2.5A switching power adapter • External AC-to-DC Switching Power Adapter • Type: USA / UK / EUR / AUS / CN Operation Temperature 0 to 40 °C (32 to 104°F) Storage Temperature...

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