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SONAbeam® Availability
Models Overview
Models
SONAbeam® 155-E
SONAbeam® 155-M
SONAbeam® 1250-E
SONAbeam® 1250-Z
SONAbeam® 1250-M
SONAbeam® 2500-E
SONAbeam® 2500-Z
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Infra-Red Illuminators
Overview
IR12
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Unrivaled Link Availability: From the Arctic to the Sahara
SONAbeam's higher-powered, redundant laser transmitters provide the best link availability in the business.

Link availability refers to amount time a link is useable in specific weather encountered in various climates. Availability is typically quoted in nines. For example, 99.9%, or three-nines (3-9's) availability, means, on average, the link is expected to not be available 0.1% of the time, or an average of 43 minutes per month. Four-nines (4-9's) availability translates into only four minutes per month of down time and five-nines averages just 30 seconds of downtime per month.

The distance over which a successful transmission can take place depends upon the design of the system, the weather in a given microclimate, the distance between the transceivers and the desired availability. The assessment of these variables leads to a "Link Budget" for each deployment. The Link Budget refers to the amount of output power necessary for "clear air" transmission plus the amount of extra power necessary to overcome inclement weather such as rain, snow, or scintillation as well as severe weather such as fog. The outcome of the Link Budget analysis will be unique to each deployment and dependent on the microclimate for that area.

With more weather-penetrating power than competing products, SONAbeam is capable of providing fiber-like availability of up to 99.999%. Its high-powered laser transmitters are able to penetrate heavy rain, snow and fog more effectively and consistently than any other available FSO technology.

In areas subject to extreme weather conditions, longer-range SONAbeam systems, deployed across a shorter distance, provide carrier-grade availability figures. Locations having frequent and heavy fog will have shorter allowable links for a given availability, whereas, relatively fog-free sites might be able to accommodate link lengths of several kilometers, using identical optical wireless equipment.

fSONA's global network of service partners will conduct a thorough assessment of your installation climate and recommend an appropriate SONAbeam solution that delivers the availability your network requires.