Instruction Manual

AVT GigE Cameras Installation Manual V1.0.1

Using multiple cameras

Single Ethernet port

Multiple cameras are connected to a switch. The switch is connected to a single

Ethernet port. This is the simplest multiple camera installation. The cameras

can be managed using Auto IP, no additional configuration on the switch is nec-

essary.

This architecture combines bandwidth coming from each camera onto a single

cable connected to the host. To prevent packet collision, resulting in dropped

packets, the user is required the reduce StreamBytesPerSecond feature on each

camera, such that the sum doesn’t exceed 125,000,000 Bps.

Example:

Camera 1: GE1900, full resolution, Mono8 pixel format, at 15 fps

Bandwidth usage = 1920 x 1080 x 1 x 15 = 31,104,000 Bps

Set StreamBytesPerSecond = 31,104,000 Bps.

Camera 2: GE1650C, full resolution, Bayer GB8 / Bayer 8 pixel format, at 5 fps

Bandwidth usage = 1600 x 1200 x 1 x 5 = 9,600,000 Bps

Set StreamBytesPerSecond = 9,600,000 Bps.

Camera 3: GC2450, full resolution, Mono8 pixel format, at 5 fps

Bandwidth usage = 2448 x 2050 x 1 x 5 = 25,092,000 Bps

Set StreamBytesPerSecond = 25,092,000 Bps.

Total bandwidth consumed = 31,104,000 + 9,600,000 + 25,092,000 =

65,796,000 Bps

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For more information on StreamBytesPerSecond and camera

pixel format, see:

PvAPI users: AVT GigE Camera and Driver Attributes document

VIMBA users: AVT GigE Camera and Driver Features document

Figure 26: Multi-camera network configuration using a switch and single Ethernet port