The FOI-4110 fiber optic isolator uses 820nm optics as a low cost solution for 10BASE-T to 10BASE-FL and 100BASE-TX to 100BASE-SX Ethernet communications. The 820nm optics also provide backward compatibility with legacy devices that have a 10BASE-FL interface. For applications that require a 100BASE-FX interface or applications that require a fiber optic cable run greater than 300m, the FOI-4110W is available with 1300nm optics.

The units will have an automatic MDI/MDIX switch over capability that allow users to use either a straight or crossover cable for all LAN configurations. This eases the installation process for simple plug and play. A typical link consists of two FOI-4110, one at each end of the network, with a duplex fiber optic cablebetween them.

The units can be used in areas of high electrical noise or in and out of RF shielded enclosures. The fiber optic cable is not susceptible to interference caused by impulse noise, crosstalk, or EMI. FiberPlex recommends “R” units for high security applications because they have added filtering and shielding for RFI suppression.