NIP
Pollux GigE Series – 01M / 05M Camera
Page
47
of
56 Manual 1.0
Figure 61.
The Transport Layer Control Interface
4.11.2
Efficient Bandwidth and Setting
Packet Size and Packet Delay control the 1000M Ethernet’s actual bandwidth. The
theoretical calculation of 1000M network port’s image loading bandwidth is:
BandWidth=((PacketSize–(IP+UDP+GVSP Header))/(Pack MA
CRC+ Packet-Delay)) * 1000M/bps
Normally, IP/UDP/GVSP Header takes 36 bytes. MAC Header takes 14 bytes. CRC
takes 4 bytes. Taking setting Packet Size 1500 and Packet Delay 400 as an
example, the actual network bandwidth is
BandWidth=(1500-36)/(1500+14+4+400)*1000Mbps=759.36 Mbps