ESR series service routers.ESR-Series. User manual
Indicator name Indicator function LED State Device State
Status Current device status LED. Green Device is in normal operation state.
Flashes green Device is booting up the software.
Alarm Alarm LED. - -
HA HA operation mode LED (not
supported in the current version)
- -
ESR-15 light indication
Gigabit Ethernet copper interfaces statuses are represented by amber SPEED LED.
Table 49 – Light indication of copper interface status
SPEED indicator is lit Ethernet interface state
Off Port is disabled or connection is not established
Solid amber on 1000 Mbps connection is established
Solid green on 10 Mbps or 100 Mbps connection is established
Flashes Data transfer is in progress
The following table lists description of system indicator statuses and meanings.
Table 50 – Status of system indicators
Indicator name Indicator function LED State Device State
Power Device power LED. Green Device power is normal operation state.
Main power supply, if installed, is
operational. The main software is
uploaded.
Red The main software is not loaded.
Off Device internal power supply failure.
USB1, USB2
Indicators of operation of
external USB devices.
Green USB device is connected.
Flashes green Read/write operation execution.
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