ABB S800 I/O User Manual page 45

FCI
Simplex optical cable (TK812Vxxx)
15m (49 ft.)Max. (plastic fiber)
Fiber Optic Simplex Configuration
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The TB820 can be used in both a simplex optical configuration as well as in a
duplex optical configuration. In a simplex optical configuration, the optical
ModuleBus nodes are connected in a ring. In a duplex optical configuration,
the optical ModuleBus nodes are connected in a row.
3BSE 020 923R101
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FCI
Duplex optical cable (TK811Vxxx)
15m (49 ft.) Max. (plastic fiber
TB807 ModuleBus Terminator
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ModuleBus Optical Port TB810
ModuleBus Modem TB820
Fiber Optic Duplex Configuration
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