4XEM w30 Manuel D’Utilisation
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lower the security level or contact your IT or networking supervisor.
There are two settings for the client side. One is “Media Option” for users to
determine if audio should be muted. The other is “Protocol Option” which allows
choices on connection protocol between client and server. There are three protocols
choices to optimize your usage - UDP, TCP and HTTP.
The UDP protocol allows for more real-time audio and video streams. However, some
packets may be lost due to network burst traffic and images may be obscured.
The TCP protocol allows for less packet loss and produces a more accurate video
display. The downside with this protocol is that the real-time effect is worse than that
with the UDP protocol.
The HTTP protocol must be selected if the network is protected by a firewall and it only
allows HTTP Port (80) to be opened. In this mode, audio will not be sent and only video
is operational. If no special need is required, UDP protocol is recommended. Generally
speaking, the client’s choice will be in the order of UDP → TCP → HTTP. After the
Network Camera is connected successfully, “Protocol Option” will indicate the selected
protocol. The selected protocol will be recorded in the user's PC and will be used for the
next connection. If the network environment is changed, or the user wants to let the
web browser to detect again, manually select the UDP protocol, save, and return HOME
There are two settings for the client side. One is “Media Option” for users to
determine if audio should be muted. The other is “Protocol Option” which allows
choices on connection protocol between client and server. There are three protocols
choices to optimize your usage - UDP, TCP and HTTP.
The UDP protocol allows for more real-time audio and video streams. However, some
packets may be lost due to network burst traffic and images may be obscured.
The TCP protocol allows for less packet loss and produces a more accurate video
display. The downside with this protocol is that the real-time effect is worse than that
with the UDP protocol.
The HTTP protocol must be selected if the network is protected by a firewall and it only
allows HTTP Port (80) to be opened. In this mode, audio will not be sent and only video
is operational. If no special need is required, UDP protocol is recommended. Generally
speaking, the client’s choice will be in the order of UDP → TCP → HTTP. After the
Network Camera is connected successfully, “Protocol Option” will indicate the selected
protocol. The selected protocol will be recorded in the user's PC and will be used for the
next connection. If the network environment is changed, or the user wants to let the
web browser to detect again, manually select the UDP protocol, save, and return HOME