COMPRO IP540 User Manual download pdf (Page 77)

9-11Symptoms, Causes and SolutionsSymptoms, Causes and Solutions

Chapter 9: Troubleshooting

Symptom Possible Cause/Solution

Part of image becomes

pixelated / Square

color blocks are seen

Network bandwidth is insucient.

Without sufficient bandwidth, video quality will deteriorate and image errors like

pixelation or frame-drop may occur. When you view your camera remotely from the

Internet, your camera needs sucient upload bandwidth to transmit video stream and

you need sufficient download bandwidth to download video stream at the remote

location.

To gain satisfactory video quality, ensure there is sucient upload bandwidth available

to your network camera by taking the following actions:

1. Contact your Internet Service Provider (ISP) to confirm the upload/download

speed limit of your service. If the bit rate of the video stream is set at 512Kbps

or higher but your Internet service only provides a max. of 512Kbps for upload

bandwidth, then try to lower the bit rate setting in [Setup] > [Video].

2. Run a network speed diagnostics on WebVUer to determine the bandwidth

level of the currently connected network. To do so, log in to your camera using

WebVUer and go to [Setup] > [Network] > [Network Bandwidth].When the speed

diagnostics is done, the WebVUer will advise you of the appropriate setting.

Consider the following action to ensure sucient download bandwidth at your remote

viewing location:

1. Contact your Internet Service Provider (ISP) to confirm the upload/download

speed limit of your service. If the bit rate of the video stream is set at 3Mbps

or higher but your Internet service only provides a max. of 2Mbps download

bandwidth, then try to lower the bit rate setting in [Setup] > [Video].

2. Upgrade to Gigabit network switch. Regular 10/100 Mbps network switch cannot

handle multiple megapixel channels, thus you may consider upgrading to

Gigabit network switch when building up your network infrastructure.

3. While you are viewing the network camera remotely, shutting down any other

applications that are also consuming the network bandwidth in the background.

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COMPRO IP540 User Manual Page 77