D-Link 10/100 Fast Ethernet Internet
Camera
Clear Image Convenient Network Attached Camera At Reasonable Price
The D-Link® 10/100 Fast Ethernet Internet Camera (DCS-910) connects to
a wired network to provide remote high-quality video recording. With its
compact and sleek design, the DCS-910 is a low-cost Internet camera
ideal for your home or small business. The DCS-910 connects quickly and
easily to your existing 10/100 Fast Ethernet network, allowing you to steam
high-quality MJPEG to your computer.
Personal Review: D-Link 10/100 Fast Ethernet Internet Camera
I bought DCS910 in Nov.2008 and DCS920 one month later. I am quite
satisfied with both of them and I did not meet any problem till now, or say I
could solve the problems that I have found.
The network attached camera supports up to 640x480 in resolution. It is
higher then lots of other network attached camera which has only
320x240. So the image quality is quite good. It has good vision in dim light.
you could see image or video on your web browser. It supports both MS
ActiveX and Sun Java for live video monitoring but it does NOT support
sound :(
You may need to install ActiveX control plug-in and Sun Java plug-in for
your browser to support live video.

The supplied DViewCam software also supports monitoring up to 32
cameras and you could record videos into computer hard disk. I have not
used video record feture till now because it requires turning on computer
and consumes too much router/switch band width. I think check from web
from time to time is good enough for my needs.
It support user account management, NTP time sync, DDNS name
service, FTP and email deliver of photos at the frequency you defined.
The device does not support SSL protocol, so your password could not be
encrypted for delivery. So you could not use https or ftps for secured
communication. But this is understandable because encryption cost too
much resources for the embeded system. You could not expect too much
from tiny embeded device. Anyway, normal web access and FTP upload
are good enough if you do not have too much security concern.
It is quite simple to access the device from within the internal/home
network because you PC and the camera are in the same network
segment. But if you want to access the device from external/Internet, there
are some other things to take care. You need to have some basic
networking concept for the setup.
I have seen one user complain the tech support and blame the device to
be not usable. I could understand the mensioned situation. It is not the
user's fault nor the product's fault. Tech support is not wrong on what they
said but they should explain clearly on the technical background and guide
the user for a smooth set up. User is not network expert so it will be a little
difficult for them to understand and follow the network rules.
Normally, ISP will only give one dynamic IP address to a user. The IP
address will change when you turn on the router or after a certain period of
time. So you need to keep track to your current IP address on the WAN
port of your router. This is usually done by register a DDNS service(free or
paid service). Most router support DDNS auto update service and this
camera also supports it but you need to set it up in your device. All the
devices in your home network will share this single IP address. Network
applications will monitor communication port for TCP/IP communication.
Different devices in your network have different unique IP address. The IP
address for a specific device is unique in the network. So if you want to
access your camera through the internet in a remote location, you need to
have DDNS service set; set up a internal static IP address to your camera;
setup your router port forward to your camera IP address. For example,
use http://dcs910.mydomainname.com:9011/ to access your camera, you
need to buy(or register a free child domain name from some website) your
domain name 'mydomainname.com'; register your domain name to a
DDNS server(paid or free service); setup your router to auto update DDNS
for your current IP address; set router to forward 9011 port request to the
80 port of the static internal IP address that you have assigned to your

camera(such as 192.168.0.3 depends on the settings on your router and
camera). You may need an experienced friend to help you for the setting.
Even if you have set everything correctly, it not necessarily means you
could watch live video in your office. You should be able to access static
current image from web browser in your office but live video is another
story. Normally office network is protected by firewall on gateway. Most
office firewall uses proxy and only open ports for web requests and some
predefined application ports and bann all other communications. The
ActiveX and Java live video of this device may need dedicated port
connection to open communication session but this will not be allowed by
default on the proxy. So unless you know your network administrator and
could ask them open the port for you, you will not able to access live video
in office. This is not the problem of the device, it is the rule of the network
security. But anyway, you could see still image of your home which is good
enough.
I have used my DCS910 and DCS920 for 3 months and I am quite
satisfied with the device. I would like to highly recommand this device to
you for its clear image, easy setup(if you understand networking in and
out), and resonable price.
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