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ET8122P Series
Unmanaged Industrial 8-port 10/100Base-TX + 2-Port 10/100/1000T/FX SFP Combo Ethernet
Switch with PoE/PSE
The Port Status LEDs, Wall Mounting Kit
LED Indicators
The diagnostic LEDs located on the front panel of the industrial switch provide real-time information of system and optional status. The following
table provides the description of the LED status and their meanings for the switch.
LED
State
Steady
PWR1
PWR2
Off
Steady
FAULT
Off
Steady
P1~P8
LNK/ACT
Flashing
(Green)
Steady
P1~P8
Flashing
Duplex
Off
(Yellow)
Steady
P1~P8
FWD
Off
Upper
LED
P9, P10
(RJ-45)
Lower
LED
Steady
P9, P10
Flashing
Link/Active
Off
3
Indication
Power on.
Power off.
Power input 1 or 2 is inactive
Power 1 & Power 2 are both active or
no power inputs
Connected to network
Networking is active
Ethernet port full duplex
Collision of packet occurs
Ethernet port half duplex or not
connected to network
A
powered
utilizing Power over Ethernet on the
port
No device is connected or power
forwarding
Steady
Connected to network
Flashing
Networking is active
Off
Not connected to network
The port is operating at speed of
Steady
1000M
The port is disconnected or not
Off
operating at speed of 1000M
SFP port is linking
Data is transmitting or receiving
Not connected to network
device
is
connected
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