Black Box ICD115A - Industrial Serial to Fibe Multimode St

Meets stringent IEC and IEEE specs.
Encased in an IP30-rated enclosure the converter's been put through some of the most exacting tests in the industry. The high-grade converter meets the requirements of two standards that make it suitable for electrical substation installations-IEC 61850-3 and IEEE 1613-specifications that are more stringent than NEMA TS1/TS2 requirements for transportation applications.

Plus as a fiber-based conversion and extension device it's inherently immune to electromagnetic and radio-frequency interference (EMI/RFI) as it uses the optical cable to extend RS-232 RS-422 and RS-485 serial data as far as 2 kilometers (1.2 m.).