Siemens FN2012-A1 Installation

Function indicator Possible troubleshooting steps
Fatal FAULT ● Perform a reset. If that does not work, there is a hardware fault.
● Replace the Ethernet switch. Check whether any other fault messages are being
displayed in the FS20 system.
Table 3: Troubleshooting
Function indicators for the RM LED (redundancy manager)
Within each MRP
1
ring, there has to be a master Ethernet switch. All the other
Ethernet switches must perform the role of clients.
Function indicator Meaning RM LED flashing pattern (every 2s)
Search Manager Ethernet switch is being
initialized
System is looking for MRP
manager
Topology has changed
because Ethernet ring
participants have been added
or removed
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Manager Ethernet switch has been
configured as the manager
and is performing the ring
manager role
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Claim Manager Ethernet switch is acting as
the manager but has not been
configured to perform this role
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Manager
Ringopen
There is a break in the
Ethernet ring at one or more
locations
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
ClaimManager
Ringopen
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Doublemanager Two Ethernet switches have
been configured as the
manager
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Client Ethernet switch has been
configured as a client
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Unidirectional Data
Link Fault
In one section of the MRP ring,
the connection is only running
in one direction due to
incorrect cabling or a hardware
fault
t
0 125 250 375 500 625 750 875 1000 1125 1250 15001375
[ms]
1625 1750 1875
Table 4: RM LED flashing pattern
1
MRP: Media redundancy protocol
Function indicator Possible troubleshooting steps
Claim Manager ● Adapt configuration. A ring manager has to be configured within each MRP ring.
Indicators
7
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Siemens FN2012-A1 Specifications

General

Brand	Siemens
Model	FN2012-A1
Category	Network Router
Language	English