SPEED indicator is lit LINK/ACT indicator is lit Ethernet interface state
Off Off The port is disabled or connection is not
established.
Off Solid on 10Mbps or 100Mbps connection is
established.
Solid on Solid on 1000Mbps connection is established.
X Flashes Data transfer is in progress.
The following table lists description of system indicator statuses and meanings.
Table 36 – Status of system indicators
Indicat
or
name
Indicator function LED
State
Device State
Status Current device
status LED.
Green Device is in normal operation state.
Orange Device is booting up the software.
Alarm Device alarm
presence and level
indicator
1
.
- -
Power Device power LED. Green Device power is OK. Main power supply, if installed, is operational.
Orange Main power supply failure, fault, or the primary network is missing.
Off Device internal power supply failure.
Fan Cooling fan status. Off All fans are operational.
Red One or more fans has failed. Possible cause of failure: at least one of the
fans has stopped or is working at lower rpm.
1
Not supported in the current firmware version
ESR-21/ESR-20 light indication
Gigabit Ethernet copper interface statuses are represented by two LEDs – green LINK/ACT LED and amber
SPEED LED.
Table 37 – Light indication of copper and SFP interface status
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