Sony SNC-CS50N User Manual Page 24

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Operating the Camera
Switching TCP/UDP Transmission Mode
24
Switching TCP/UDP
Transmission Mode
You can select TCP or UDP as the communication port
for the video/audio data.
This function can be used when Mode (video codec
mode) (page 33) is set to MPEG4 and the ActiveX
viewer is used.
Notes
The function may not operate correctly when you use
personal firewall software or antivirus software on
your computer. In that case, disable the software or
select the TCP mode.
If you are using Windows XP Service Pack 2, disable
“Windows Firewall” (see page 9).
1
Open the main viewer.
2
Click TCP/UDP Transmission.
The Select TCP/UDP dialog appears.
3
Click one of the buttons TCP, UDP (Unicast) or
UDP (Multicast).
TCP: This is normally selected.
When TCP is selected as the communication port,
HTTP communication is adopted for video/audio
communications.
HTTP is the protocol used for reading the usual
Web page.
In an environment capable of reading Web pages,
you can watch or listen to the video/audio by
selecting the TCP port.
UDP (Unicast): When UDP (Unicast) is selected
as the communication port, RTP (Real-time
Transport Protocol) is adopted for video/audio
communications. Since RTP is the protocol for
running video/audio data, the video/audio playback
is smoother than when TCP (HTTP) is selected. If
a firewall is installed between the camera and the
computer, or depending on the network
environment, the video/audio may not play back
properly when UDP (Unicast) is selected. In that
case, select TCP.
UDP (Multicast): This protocol is selectable when
Multicast streaming (page 35) is On. When UDP
(Multicast) is selected as the transmission port,
RTP (Real-time Transport Protocol) and UDP
multicast techniques are adopted for video/audio
transmission. By selecting it, the network
transmission load of the camera can be reduced. If
a router that does not correspond to the multicast or
a firewall is installed between the camera and the
computer, the video/audio may not play back
properly. In that case, select TCP or UDP
(Unicast).
4
Click OK to close the dialog.
If you do not change the transmission setting, click
Cancel.
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