Fiber optic modems allow computers or other devices to send and receive data in a fiber optic network. They convert electronic signals from a computer into optical signals, which can then be transmitted over optical fibers, and change them back to electronic form when they reach the target port. Optical fibers allow much higher speeds than the copper wires used in DSL and cable connections. A single optical fiber can transmit at terabyte speeds, or up to 100 times faster than a copper cable. However, fiber optic modems are much more expensive and most home users find DSL and cable speeds more usable.
Kinds of Fiber Optic Modems include the following:
Serial port fiber optic modems
These fiber optic modems connect to the computer through the serial port or other connection port.
They usually contain a hardware chip that processes data signals independently from the computer's processor, allowing other applications to run while connected to the network.
Security: Choose a fiber optic modem with a firewall function to block the reception of harmful data. If the modem comes with a software, make sure it has access to security updates from the manufacturer to detect new viruses.
Data processing: Choose a hardware-based fiber optic modem that performs all the processing functions on a separate chip. Software-based modems have limited compatibility and use up the computer's system resources, slowing down other applications during the connection.
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