Dahua Technology DH-PFR4K-B240 User Manual page 48

Step 2 Configure port parameters. See Table 4-10.
The configuration of Max Connection takes effect immediately and others after the

radar is restarted.
0–1024, 1900, 3800, 5000, 5050, 9999, 37776, 37780–37880, 39999, 42323 are

occupied for specific uses.
It is not recommended to use the default value of other ports during port

configuration.
Parameter Description
The maximum number of users that can log in to the web interface
Max
simultaneously of the same radar. The value ranges from 1 to 20 and 10 is set by
Connection
default.
Transmission control protocol port, the default value is 37777, and it can be
TCP Port
modified as needed.
User datagram protocol port, the default value is 37778, and it can be modified as
UDP Port
needed.
Hypertext transfer protocol port, the default value is 80, and it can be modified as
HTTP Port
needed.
Real time streaming protocol port, leave it if the value is 554 by default. If you

play live view with QuickTime, VLC or Blackberry smart phone, the following
URL format is available.
When the URL format requiring RTSP, you need to specify channel number

and bit stream type in the URL, and also username and password if needed.
When playing live view with Blackberry smart phone, you need to turn off

the audio, and then set the codec mode to H.264B and resolution to CIF.
URL format example:
rtsp://username:password@ip:port/cam/realmonitor?channel=1&subtype=0
Among that:
Username: Your username, such as admin.

Password: Your password, such as admin.

RTSP Port
IP: Your device IP, such as 192.168.1.122.

Port: Leave it if the value is 554 by default.

Channel: Channel number, which starts from 1. For example, if you are using

channel 2, then the channel=2.
Subtype: Bit stream type; 0 means main stream (subtype=0) and 1 means sub

stream (subtype=1).
So, if you require the sub stream of channel 2 from a certain device, then the URL
should be:
rtsp://admin:admin@10.12.4.84:554/cam/realmonitor?channel=2&subtype=
1
If user name and password are not needed, then the URL can be:
rtsp://ip:port/cam/realmonitor?channel=1&subtype=0
Table 4-10 Port parameter description
42
User's Manual