Status and Maintenance
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6.1.3
The SF LED
This LED is used to indicate a system failure or error.
Colour
Status
Indicates
Red
On (solid)
One or more of the following errors:
- FO-transceiver not okay,
- Configuration error,
- Station name has not been assigned,
- IP number has not been assigned,
- No connection to I/O controller,
- Power margin below 2 dB.
Off
Status okay.
If the SF LED is on, check the following:
•
That fibre cables are properly attached,
•
That the station name is properly specified,
•
That the proper IP Address is set (if not set by the I/O Controller),
•
That the hardware configuration is correct.
6.1.4
The BF LED
This LED is used to indicate a bus failure.
Colour
Status
Indicates
Red
On (solid)
No connection to network (links down on port 1 and port 2).
Red
Blinking at 0.5 Hz
No connection to I/O controller.
Off
Connection to I/O controller (usually the PLC) is established.
If the BF LED is on, check at least one port is properly connected. If the BF LED is blinking, check the
following:
•
That the station name is properly specified,
•
That the proper IP Address is set (if not set by the I/O controller),
•
That the hardware configuration is correct.
