Siemens SIMATIC NET PROFIBUS Owner's Manual page 308

SIMATIC NET PROFIBUS Plastic Fiber Optic
Separating the SIMATIC NET PLASTIC FIBER OPTIC Duplex Cord
Insert a sharp knife 20 cm from the end
of the cable in the groove between the
two cords and split the cords up to the
end of the cable.
Caution: The buffer of the cords must not
be damaged.
Installation Instructions for BFOC Connectors
Caution:
Do not split the cords simply by hand,
since the fibers can easily be bent
beyond the minimum bending radius.
Page 6
Separated duplex cords