There are several advantages of free space optics (FSO) compared to fiber optic and RF systems. List and describe them.
What will be an ideal response?
Lower installation costs-FSO installations cost significantly less than installing new fiber optic cables or even leasing lines from a local carrier. One recent project compared the costs of installing fiber optic cables to FSO in three buildings. The cost to install the fiber optic cables was almost $400,000 whereas the cost of FSO was less than $60,000.
Faster installation-FSO can be installed in days or weeks compared to months and sometimes years for fiber optic cables. In some instances FSO systems have been installed over a weekend in major office buildings with no disruption of service to the users.
Scaling transmission speed-The transmission speed can be scaled to meet the user's needs, anywhere from 10 Mbps to 1.26 Gbps. If high speeds are not required, the user does not have to pay a premium for unused capacity but can design the FSO system to match needs.
Good security-Security is a key advantage in an FSO system. IR transmissions cannot be intercepted and easily decoded as with some RF transmissions.
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