Point-to-point  Advantech Multi - mode Fiber Optic to RS-232 / 422 / 485 Converter ADAM-4541-AE 1.Advantech Multi-mode Fiber Optic to RS-232/422/485 Converter
2.Advantech Easily mounted on a DIN-rail, panel or piggyback

Main Features:

Easily mounted on a DIN-rail, panel or piggyback Transmission speeds of up to 115.2 kbps Optical fibers enable transmission of 2.5 km (measured with 62.5/125 mm) Half/Full-duplex, bidirectional transmission mode Avoids lightning strikes and EMI/RFI interference Prevents damage from electrostatic discharge Stable and error-free data transmission Automatic internal RS-485 bus supervision No external flow control signals required for RS-485 Transient suppression and over-current protection on RS-422/485 data lines Reserved space for termination resistors LED for power and data flow indication Power requirement: +10 to + 30 VDC