Dahua DH-XVR54 L-I2 Series User Manual page 369

For the product supports analog standard definition camera/HD camera, you need to go to the

Main Menu > CAMERA > CHANNEL TYPE to select corresponding channel type and then restart
the DVR.
29. I cannot connect to the IP channel.
There are following possibilities:
Check the camera is online or not.

Check IP channel setup is right or not (such as IP address, username, password, connection

protocol, and port number).
The camera has set the allowlist (Only the specified devices can connect to the camera).

30. After I connected to the IP channel, the one-window output is OK, but there is no multiple-window
output.
There are following possibilities:
Check the sub stream of the camera has been enabled or not.

Check the sub stream type of the camera is H.264 or not.

Check the device supports camera sub stream resolution or not (such as 960H, D1, and HD1).

31. After I connected to the IP channel, the multiple-window output is OK, but there is no one-window
output.
There are following possibilities:
Check there is video from the IP channel or not. Go to the Main Menu > INFO > BPS to view bit

stream real-time information.
Check the main stream of the camera has been enabled or not.

Check the main stream type of the camera is H.264 or not.

Check the device supports camera main stream resolution or not (such as 960H, D1, and HD1).

Check camera network transmission has reached the threshold or not. Check the online user of

the camera.
32. After I connected to the IP channel, there is no video output in the one-window or the multiple-
window mode. But I can see there is bit stream.
There are following possibilities:
Check the main stream/sub stream type of the camera is H.264 or not.

Check the device supports camera main stream/sub stream resolution or not (such as 1080P, 720P,

960H, D1, and HD1).
Check the camera setup. Make sure It supports the products of other manufacturers.

33. DDNS registration failed or cannot access the device domain name.
There are following possibilities:
Check the device is connected to the WAN. Check the device has got the IP address if the PPPoE

can dial. If there is a router, check the router to make sure the device IP is online.
Check the corresponding protocol of the DDNS is enabled. Check the DDNS function is OK or not.

Check DNS setup is right or not. Default Google DNS server is 8.8.8.8, 8.8.5.5. You can use different

DNS provided by your ISP.
34. I cannot use the P2P function on my cell phone or the web.
There are following possibilities:
Check the device P2P function is enabled or not. (Main menu->Setting->Network->P2P)

Check the device is in the WAN or not.

Check cell phone P2P login mode is right or not.

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User's Manual