TTY fibre optic transceiver (media converter) with 1x 9pin Sub-D port alternatively 6-pole clamp terminal and 1x multimode fibre optic port for ST / BFOC connector, half duplex (HDX active or passive) / full duplex (FDX active, half-active or passive). ✔ housing stainless steel, powder coated dimensions WxDxH 60x110x120mm ✔ Mounting on 35mm DIN rail (TS 35) ✔ input voltage Vin 12..30V DC ✔ Extended operating temperature-range -40..+70°C