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Indicator Description

PWR power indicator (Green) Meaning
On Normal system power supply
Off Abnormal system power supply
SYS system status light (Green) Meaning
Off The system is normal
On Failed to allocate module address
Flash (5Hz) Module parameter configuration failed
Flashing (1Hz) Module data interaction failed
Slow flash (0.33Hz) Module not recognized
SF System fault indicator (red) Meaning
On System fault, topology error
Flash illegal MAC address
Off Normal operation
BF bus fault indicator (red) Meaning
On RJ45 not connected
Flashing Device offline
Off Normal operation
BUS backplane bus indicator (Yellow) Meaning
Flash after power-on Scan IO terminal (flashing times = number of modules)
Slow flashing during operation Normal operation (flashing frequency is related to the number of modules)
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Last modified: 2025-06-30