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Siemens Industry, Inc.
Specifications
The following engineering specifications are common to all Fiber Optic Interfacing products. It is important to
remember that the distance limit between fiber optic interfaces as listed below is for 62.5/125 μm fiber. Other fiber
sizes will alter the specified distances. All interfaces require two fibers (a separate transmit and receive fiber)
between interfaces.
Recommended fiber size 62.5/125 μm Multi-mode Graded Index
Distance 2km using 65.5/125 fiber NA=.275
Operating Wavelength 820 nm
Type of Transmitter LED
Type of Receiver PIN diode
Output Power Min -13.5 dbm (into 62.5/125 with a NA = 0.275) @ 25°C
Receiver Sensitivity -10.5 to -25 dbm @ 25°C
Link Budget 11.5 dbm
Data Rate 300 bps to 230K bps
Electrical Interface APOGEE ALN, FLN (RS-485)