User’s Manual of ICA-2200
86
routers list.
Some IP cameras are
working but others are
failed
• Maybe too many IP cameras have been installed on the
LAN, and then NAT router is out of resource to support more
cameras. You could turn off and on NAT router to clear out of
date information inside router.
Access this device
Cannot access the login
page and other web
pages of the Network
Camera from Internet
Explorer
• Maybe the IP Address of the Network Camera is already
being used by another device or computer. To confirm this
possible problem, disconnect the Network Camera from the
network first, and then run the PING utility to check it out.
• May be due to the network cable. Try correcting your
network cable and configuration. Test the network interface by
connecting a local computer to the Network Camera via a
crossover cable.
• Make sure the Internet connection and setting is ok.
• Make sure enter the IP address of Internet Explorer is
correct. If the Network Camera has a dynamic address, it may
have changed since you last checked it.
• Network congestion may prevent the web page appearing
quickly. Wait for a while.
The IP address and Subnet Mask of the PC and Network
Camera must be in the same class of the private IP address
on the LAN.
• Make sure the http port used by the Network Camera,
default=80, is forward to the Network Camera’s private IP
address.
• The port number assigned in your Network Camera might
not be available via Internet. Check your ISP for available
port.
• The proxy server may prevent you from connecting directly
to the Network Camera, set up not to use the proxy server.
• Confirm that Default Gateway address is correct.
• The router needs Port Forwarding feature. Refer to your
router's manual for details.
• Packet Filtering of the router may prohibit access from an
