The IFS D1300 is a data transceiver providing point-to point transmission of half-duplex (2-wire) EIA RS-485 tri-state data signals over two optical fibers

The IFS D1315 series data transceivers provide point-to point transmission of full-duplex (4-wire) EIA RS-485 tri-state data signals over two optical fibers

The IFS D2315 series data transceivers provide drop and repeat transmission of full-duplex (4-wire) EIA RS-485 data signals over two optical fibers

The IFS DR3010 is a contact mapping receiver and provides transmission of up to eight independent contact closures over one optical fiber.

The IFS DT3010 is a contact mapping transmitter and provides transmission of up to eight independent contact closures over one optical fiber.

D7120-R3 Ethernet transceiver designed to transmit and receive 10 or 100 Mbps data over 2 multimode fibers.

The D7120WDMA-R3 Ethernet transceiver is designed to transmit and receive 10 or 100 Mbps data over 1 multimode fiber.  This module is the rack mount version.

The D7130WDMA-R3 Ethernet transceiver is designed to transmit and receive 10 or 100 Mbps data over 1 single mode fiber.  This module is the rack mount version.

The IFS D7420-R3 ethernet transceiver unit provides drop-and-repeat transmission of 10 or 100 Mbps ethernet data signals over two multimode optical fibers.  This module is the rack mount version.

The IFS D7420WDMA-RSH ethernet transceiver units provide drop-and-repeat transmission of 10 or 100 Mbps ethernet data signals over one multimode optical fiber.  This module is the rack mount version.

The IFS TR3020WDM Touch-Tone Telephone Digital Interface provides extended transmission to be used with analog systems over one multimode optical fiber using the latest in digital transmission technology.