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1MRS 750109-MUM
7.
7.1.
7.1.1.
7.1.2.
7.1.3.
7.2.
ABB Automation
Router Option Card for Lon® Star Coupler
RER 111
Maintenance and service
Self-diagnostics
Fibre-optic receiver LED
The receiver LED flashes when a message is being received from the fibre-optic
channel.
If the LED is continuously lit, the channel is heavily loaded or there is a
malfunctioning device sending continuous light.
TP/XF LED
The TP/XF LED flashes when a message is being sent or received by the twisted pair
transceiver.
Service LEDs
The are two service LEDs, one for each router side.
If the service LED is off, the Neuron Chip of the corresponding router side is in the
configured state.
If the service LED is flashing, the Neuron Chip of the corresponding router side is
in the unconfigured state.
If the service LED is continuously on, then the network interface has detected a
hardware failure.
Service and spare parts
If a fault occurs in the router option card, the faulty option card should be replaced
with a new one. For ordering information please see chapter 8.
SROUT
19
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