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3 Product Appearance
3.2 Indicator LED Description
The AN5121-8GR has various indicator LEDs on it. Except for the
four round indicator LEDs (ACT, PD, PON, and LOS), the link status
and duplex status indicator LEDs are located beside each LAN port.
The description on each indicator LED is shown in Table 3.2.
Table 3.2
Silkscreen
Name
Meaning
ACT
Working
status
indicator
LED
PD
LOS
PON
14
Description on Indicator LEDs of the AN5121-8GR
Port
receiving
power
supply feed
indicator
LED
Optical
signal status
indicator
LED
PON status
indicator
LED
Color
Status
Indicator LED Description
Blinking
The logical link has been set
up.
OFF
The logical link has not been
set up.
ON
The AN5121-8GR is
receiving the power supply
feed.
OFF
The AN5121-8GR is not
receiving the power supply
feed.
ON
The Rx optical power of the
PON port is too low.
OFF
The Rx optical power of the
PON port is normal.
ON
The AN5121-8GR is
registered.
OFF
The AN5121-8GR is not
registered.
Green
Green
Red
Green