4-19
Interfaces of the Device
RD Yel-
low
On Remote Bus Inactive
TR Green On PCP Active
Off PCP Not Active
FO1 Yel-
low
On Incoming Optical Fiber Path Not OK
Off Incoming Optical Fiber Path OK
FO2 Yel-
low
On Outgoing Optical Fiber Path Not OK
Off Outgoing Optical Fiber Path OK
Table 4-21 Functions of the INTERBUS OPC LWL diagnostics LEDs
Designation Color State Function
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