Grundig GD-RN-CT8832N User Manual page 229

− Poor network between the NVR and the IP Camera, and there exists <Packet Loss> during the
transmission.
− Poor network between the NVR and the PC, and there exists <Packet Loss> during the transmission.
− The performances of hardware are not good enough, including <CPU>, <Memory>, etc..
1. Verify that the network between the NVR and the IP Camera is connected.
1) When image is stuck, connect the <RS-232 Ports> on the PC and the rear panel of the NVR with
the <RS-232> cable.
2) Open the <Super Terminal> and execute the command of "ping 192.168.0.0 –l 1472 –f" (the <IP
Address> may change according to the real condition), and check if there exists <Packet Loss>.
Note:
Simultaneously press <Ctrl> and <C> to exit the <Ping Command>.
2. Verify that the network between the NVR and the PC is connected.
1) Open the <cmd> window in the <Start> menu, or you can press the "windows+R" shortcut key
to open it.
2) Use the <Ping Command> to send a large packet to the NVR, execute the command of "ping
192.168.0.0 –l 1472 –f" (the <IP Address> may change according to the real condition), and
check if there exists <Packet Loss>.
Note:
Simultaneously press <Ctrl> and <C> to exit the <Ping Command>.
3. Verify that the hardware of the PC is good enough.
Simultaneously press <Ctrl>, <Alt> and <Delete> to enter the windows <Task Management>
interface, as shown in the following Picture.
1)
Select the <Performance> tab and check the status of the <CPU> and of the <Memory>.
2)
If the resource is not enough, please end some unnecessary processes.
Windows task management interface
229 ENGLISH