Installing The Optical Fibres - ABB REB 551-C3*2.5 Installation And Commissioning Manual

Breaker protection and control terminal
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Installing the optical fibres

Chapter 5
Installing the terminal
4
Installing the optical fibres
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 connectors to black or grey
(transmit) back-side connectors.
Caution!
The fibre optical cables are very sensitive to handling. Do not bend too sharply. The minimum
curvature radius is 15 cm for the plastic fibre cables and 25 cm for the glass fibre cables. If cable
straps are used to fix the cables, apply with loose fit.
Always hold the connector, never the cable, when connecting or disconnecting optical fibres. Do
not twist, pull or bend the fibre. Invisible damage may increase fibre attenuation thus making
communication impossible.
Note!
Please, strictly follow the instructions from the manufacturer for each type of optical ca-
bles/connectors.
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