Function indicator Possible troubleshooting steps
Ringopen ● Check the MRP ring. There is a break in the ring at one or more of the panels.
● Check whether cable is defective.
● Ring port LEDs which are switched off show open ports
– Defective/unplugged cable.
Doublemanager ● Adapt configuration. Only one Ethernet switch is allowed to be configured as the ring
manager.
Unidirectional Data
Link Fault
● Check the cabling of all optical fiber sections
● Replace each Ethernet switch in turn until you identify the defective device.
Table 5: Troubleshooting
Indicators
7
26 | 32 A6V10407862_e_en_--
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