ABB REL 551 2.3 Series - Installing the Optical Fibres

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Installing the optical fibres &KDSWHU
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Connectors are generally color coded; connect blue or dark grey cable connectors to
blue or dark grey (receive) back-side connectors. Connect black or grey cable connec-
tors to black or grey (transmit) back-side connectors.
Fibre optical cables are sensitive to handling. Do not bend too sharply. The minimum
curvature radius is 15 cm for plastic fibres and 25 cm for glass fibres. If cable straps are
used, apply with loose fit.
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