5
GigaX3112 Series Layer 3 Managed Switch
2.2 Front panel
The front panel includes LED indicators and system console. LED indicators
show the system, RPS, fan, and port status.
Figure 2. Front panel (GigaX 3112)
Table 1. Front panel labels and LEDs
No. Label Color Status Description
1 SYSTEM Green ON
Unit is powered on
Flashing
Self-test, INIT, or downloading
Amber ON
Abnormal temperature or voltage
OFF
No power
2 RPS Green ON
The PSU is working properly and the switch
has a good redundant power supply
Amber ON
The PSU is abnormal and the switch is
powered by RPS
OFF
No power at all (system LED is also off), RPS
does not work properly or not installed (system
LED is on)
3 FAN Green ON
Both fans are working properly
Amber ON
Both or either one of the fans stopped
4 10/100/
1000 port
status
Green ON
Link (RJ-45 or SFP) is present; port is enabled
Flashing
Data is being transmitted/received
OFF
No Ethernet link
Amber ON
Link is present, but port is disabled either
manually or by spanning tree
Flashing
Port is in one of the STP blocking, listening
and learning state
5 10/100/
1000 port
speed
Green ON
1000Mbps
Amber ON
100Mbps
OFF ON
10Mbps
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