ZyXEL Communications network camera Both the IPCamClientActiveX.cab and USActiveX.cab control

Symptom	Possible Cause/Solution
Scanning and connecting to	Too many wireless APs nearby.
wireless AP takes a long time	The amount of time taken to scan wireless APs depends on the number of
	wireless APs around the camera. If there are too many wireless APs (30 or
	more), it may take as long as 3 minutes to complete the scanning process. A
	possible workaround is to turn down the video setting a notch temporarily, and
	then turn it up again after you have completed configuring your wireless
	connection.
	For example, you can first set your video setting as QVGA, MPEG-4, 5fps,
	512Kbps; Then go to network page for wireless connection setup and set the
	video setting back to its original state. This could reduce scanning time
Successful login to the camera,	The ActiveX component is not installed.
but no image is displayed	If you are viewing the camera video on Internet Explorer, make sure you have
	installed and enabled the camera's ActiveX components. Open Internet
	Explorer and go to [Tools] > [Manage Add-ons] and check that you’ve got
	both the “IPCamClientActiveX.cab” and “USActiveX.cab” control
	components registered and enabled. Refer to the "Trouble with the ActiveX
	Client" section of this manual for further help.
	The VLC plugin is not installed for non-IE browsers.
	If you’re viewing the camera from Firefox, Safari, or Chrome, make sure your
	VLC plugin is properly installed. (Visit www.videolan.org/vlc/ to download
	the codec.)
	The entered hostname/WAN IP address is incorrect.
	Make sure you entered the correct hostname (if you use DDNS) or the WAN
	IP address of your camera in the location field of the web browser.
	The LAN network is not connected to Internet.
	Both the device you’re using and the camera need to have a connection to the
	Internet. Check if you can browse the Internet on your LAN network. If not,
	contact your network administrator for assistance.
Successful access on local	The camera's WAN IP address has changed but yet to be updated into DNS
	cache.
network, but trouble accessing	If you use DDNS service, the information of your camera's IP address and the
from the Internet.	domain name the IP address is linked to are stored in the DNS cache. The
	cache is used to retrieve the IP information by the DNS server which translates
	entered hostname into the camera's IP address. Though the information is
	updated every few minutes (determined by the value of TTL, Time to Live),
	occasionally the DNS information changes (e.g. your camera acquires a new
	IP address) but the old information is still stored in the cache, resulting in
	connection failure.
	When this happens, try waiting a few minutes for the new IP information to be
	updated to the DNS server and then retry connection, or try to decrease the
	TTL value. If it still doesn't work, refer to other possible causes and solutions.
	The router's configuration does not allow incoming traffic to the camera.
	To access your camera from the internet, you’ll need to enable port forwarding
	on your router and allow incoming traffic on the HTTP and RTSP port your
	camera is using (your router may require a reboot after port forwarding is set).
	Refer to the "Remote Viewing via Internet Explorer" section in the user
	manual for detailed information. If you don't know how to enable port
	forwarding on the router, consult the manufacturer of your router for
	instruction.