LT Security IP85PW - Manual (Page 56)

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【WEB
WEB WEB WEB Port Port Port Port】 Default is 80. It is a very important port to recognize the IP device.
This 80 web port is dropped acquiescently, for example, if the IP address of your IP
device in LAN is 192.168.1.199:80, the default IP address will be 192.168.1.199. If
the web port is changed into other, it can’t be dropped. For example, if the port is
changed into 81, t he LAN IP address will be 192.168.1.199:81 。
In the same way, the WAN IP address will follow this rule, too.
NOTE: If you don't map this port, you won’t access the IP device via Internet
Explorer in WAN.
【Data Data Data Data Transfer Transfer Transfer Transfer Port Port Port Port】Default is 3000.
NOTE: If you don't map this port, you can’t access the IP device via Internet
Explorer in WAN: You won’t be able to open the webpage of the IP device via
using the IP address.
【Data
Data Data Data Control Control Control Control Port Port Port Port】 Default is 3001. It is a hidden port in the background
system. It has a certain conversion relation with the Data Transfer Port: Date
control port = date transfer port + 1.
If you change the date transfer port into 4000, the system will automatically
change date control port is 4001.
NOTE: If you don't map this port, you won’t get the image of the IP device when
accessing via WAN: You can access the IP device via Internet Explorer, but you
won’t be able to get the image.
【Remote
Remote Remote Remote Transfer Transfer Transfer Transfer Port Port Port Port】Default is 3002. It is a hidden port in the background
system. It has a certain conversion relation with the Data Transfer Port: Remote
Transfer Port = Date Transfer Port + 2.
If you change the date transfer port into 4000, the system will automatically
change remote transfer port is 4002.
NOTE: If you don't map this port, you won’t get the recording in the SD card of the
IP device when accessing via WAN.