Ethernet Isolators / Converters / Modems
FiberPlex FOI-1GBT Ethernet-to-Fiber Converter | 1000BASE-T Isolator/Modem enclosed in mission critical packaging

FOI-1GBT Optical Isolator & Gigabit Ethernet-to-Fiber Converter is packed in rugged military-style metal enclosures and supports 1000 Mbps Ethernet over Fiber.

The FOI-1GBT is a rock-solid plug-and-play Ethernet-to-fiber converter & isolator that provides media conversion and extension of Ethernet over fiber. The Ethernet-to-fiber converter provides complete electrical isolation for 1000BASE-T Gigabit Ethernet communications. The unit 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. Privacy of communications is also enhanced because the fiber optic cable does not radiate any emissions. In addition, fiber optic cable offers much longer transmission distances than copper wiring.

Traditional 1000BASE-T Cat5e cabling is limited to a maximum distance of 100m, but multimode optics on the Ethernet-to-fiber converter can extend the distance to 550m, while singlemode optics can further extend the distance to 5km.

The copper interface is fully automatic. If TP+ and TP- are reversed, the unit will automatically swap the polarity internally. Similarly, if the transmit and receive pairs are reversed, the unit will automatically swap both pairs internally.

FOI version units can be mounted in several redundant powering chassis; rack and wall mount options including TEMPEST and NEMA alternatives.

A typical link consists of two FOI-1GBTs, one at each end of the network, with a duplex fiber optic cable in between.

FOI-1GBT applications

  • Extends 1000BASE-T Ethernet up to 1,804 feet (550 m) over multimode cable, 3.1 miles (5.0 km) over singlemode
  • Compliant with IEEE 802.3ab
  • Supports Data Rate of 1000 Mbps
  • Optically compatible with Ethernet optical standards (Multimode: 1000BASE-T to 1000BASE-SX; Singlemode: 1000BASE-T to 1000BASE-LX)
  • Automatic polarity correction and MDI/MDIX switch over capability.
# Model # Description Availability
1 FOI-1GBT-S-ST 1000 Base-T fiber isolator, Singlemode., Power Options Sold Separately General Availability

2 FOI-1GBT-ST 1000 Base-T fiber isolator, Multimode., Power Options Sold Separately General Availability


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