Canobeam FAQ Is performance affected by the weather? It is unavoidable that an optical beam can be affected by weather conditions. Rain, fog or snow reduces visibility, scattering and attenuating the amount of laser light that passes between the two units. This can result in transmission errors, that is why a back up line is recommended. However, if it is possible to see approximately half way to the opposite site under bad weather conditions, the DT-100 series can transmit correctly. What happens if a bird flies across the path of the laser? If a bird flies across the path of the laser, the amount of light that is received will be reduced, but will still be adequate enough for data transmission. However, if a bird flies near the source of the laser, obstructing it completely, the data will be momentarily interrupted. But if you are using TCP/IP, the problem will be resolved by a retransmission of the data. Is a relay setup possible? If you want to set up a network connection between two buildings that are separated by more than 2km or that does not have a clear line of sight, you can connect pairs of CANOBEAM units to relay the signal. With the DT-130 and DT-150, the relay process will not damage the data, because the waveform is normalized by the 3R function at each relay point. Are the lasers safe? The DT-100 series is rated as a class 1M laser. The laser light that is transmited by the DT-100 series is safe even if viewed with the naked eye at the point of transmission. Because the laser beam spreads out by the time it reaches the receiving side, it is even safer there than it is on the transmitting side. (It is not recommended to use magnifying optics such as binoculars at the point of output, as the effect on the eyes would be amplified). FDA Laser Notice No.50, IEC/EN60825-1/A2:2001 Class 1M Is laser communication through glass windows possible? Yes. The DT-100 series can be installed indoors for window to window or window to roof transmission as long as the two units are located with a direct line of sight. However, some glass windows scatter and attenuate the amount of laser light. Therefore, conducting a field test is recommended. What is the maximum transmission distance? Standard transmission distances for each model are shown in the specifications. However, maximum transmission distance is a function of weather conditions and acceptable link availability. TOP