D-Link SECURICAM Network DCS-2120 User Manual page 69

Section  - Configuration
Insert
To insert a remote network camera to the camera list. Click the Insert
button, an "Insert New Channel" dialog will popup, as shown here.
Specify the IP address, port, and admin password of the network
camera, click the OK button to close the dialog. Then the system will
try to connect to the selected camera. If the connection succeeds,
the camera will be inserted to the camera selection list.
Once the camera is added, you will see the IP address of the camera and also the
port that is opened on the camera (port 80 in this example). The selected camera
has been added to the selection list.
D-Link DCS-10 User Manual