The 2825 model is manufactured by SI Tech, and is an ECL to fiber optic transmitter/receiver. It has an operating distance that is dependent upon optical fiber core diameter and the cable's optical attenuation.
The unit can transmit up to 6500 ft with suitable graded index fiber optic cable or 10 km using single mode fiber. It has a triax connector with data rate up to 40 mbps, and has input power rating of 10 to 30 V DC with maximum 500 mA.
The unit is an optical transmitter with LED of 10 dB budget 62.5/125 fiber, and has wavelength of 1300 nm in ST connector. It is also an optical receiver with operating temperature of 0 to 50°C which has humidity of 0 to 90% in non condensing.