D-Link DCS-3410 Manuel d'utilisateur télécharger pdf (Page 53)

53D-Link DCS-3410 User Manual

Section 5 - Troubleshooting

9. Can the DCS-3410 be installed and work if a ﬁrewall exists on the network?

If a ﬁrewall exists on the network, port 80 is open for ordinary data communication. The DCS-3410 uses port 5002 for streaming

audio and port 5003 for streaming video. These ports (or the ports you specify from the Advanced Tab in the Conﬁguration

screen if you change the default ports) need to be opened on the ﬁrewall.

10. Why am I unable to access the DCS-3410 from a Web browser?

If a router or ﬁrewall is used on the network, the correct ports for the DCS-3410 may not be conﬁgured on the router or ﬁrewall.

To correct the problem, you need to determine if the DCS-3410 is behind a router or ﬁrewall and if the router or ﬁrewall is

properly conﬁgured for the ports the DCS-3410 is using. Other possible problems might be due to the network cable. Try

replacing your network cable. Test the network interface of the product by connecting a local computer to the unit, utilizing a

Ethernet crossover cable. If the problem is not solved the Network Camera might be faulty.

11. Why does the Network Camera work locally but not externally?

This might be caused by network ﬁrewall protection. The ﬁrewall may need to have some settings changed in order for the

Network Camera to be accessible outside your local LAN. Check with the Network Administrator for your network.

Make sure that the Network Camera isn’t conﬂicting with any Web server you may have running on your network.

The default router setting might be a possible reason. Check that the conﬁguration of the router settings allow the Network

Camera to be accessed outside your local LAN.

12. I connected the Network Camera directly to a computer with a cross-over cable Ethernet cable and received the following

Windows error upon running the Installation Wizard:

This Windows error will occur if the Network Camera is connected to a computer that is not properly conﬁgured with a valid IP

address. Turn off DHCP from the Network Settings in Windows and conﬁgure the computer with a valid IP address, or connect

the camera to a router with DHCP enabled. This error can also occur if the Installation Wizard icon is clicked on more than once

from the setup wizard.

13. Noisy images occur. How can I solve the problem?

The video images might be noisy if the Network Camera is used in a very low light environment. To solve this issue you need

more lighting.

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D-Link DCS-3410 Manuel d'utilisateur Page 53