ComNet, universal 1-channel data transceiver for RS-232/422/485 transmission over singlemode fiber optic cable, uses 2 fibers, data up to 250 kbps, compact design, power supply not included

"stand-alone, cannot be used in a 19 inch rack, data communication universal 2-wire or 4-wire, compact model, 1310 nm, 8 - 15 VDC (power supply not included), max. transmission distance 69 Km".