STCS4012 Series Layer 3 Switch Installation Guide
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Blinking
Data is being transmitted or
received.
Link (Green)
On
Normal connection.
Off
No connection.
2.1.3 STCS4012TF Front Panel
There are 12 pairs of Link/ACT led indicators, 12 Ethernet 10/100/1000 ports and 4 SFP
combo ports, a Console port in sequence,
1 AUX port, 1 system led indicator, 1 Power led indicator, 1 pair of AUX Link/ACT led indicators in the front panel.
The table below describes the indicators on the front panel of STCS4012TF Ethernet Switch
Table 2-3 Front panel indicators
Indicator
Sign
State
Meaning
Power indicator
PWR
On
The switch is powered on.
Off
The switch is powered off.
System status indicator
STATUS
Off
The switch is powered off
Blinking
System work nomal
AUX interface indicator
Active (Green)
Off
No data is being transmitted or
received.
Blinking
Data is being transmitted or
received.
Link (Green)
On
Normal connection.
Off
No connection
interface indicator
Active
(Green/Orange)
Off
No data is being transmitted or
received.
Blinking
Data is being transmitted or
received.
Link (Green)
On
Normal connection.
Off
No connection.
