Accton Technology SUPERSMART ETHERHUB-16SE - Manual (Page 13)

SuperSmart User’s Guide
2-2 Hardware Description
PWR/CPU
Color: Green
Label: PWR/CPU
Function: Power indicator
LED Activity Condition Indication
STEADY LIGHT ON Unit is receiving power; CPU is running.
BLINKING LIGHT ON Unit is receiving power; CPU is running.
NO LIGHT OFF Power is disconnected; no power received.
Isolated
Color: Green
Label: Isolated
Function: Indicates the hub is isolated from Ethernet segment
of the FlexBus 1500 backplane.
LED Activity Condition Indication
STEADY LIGHT ON Hub is isolated from all segments.
NO LIGHT OFF Hub is attached to one of the 3 segments of
the FlexBus 1500.
Utilization
Label (%) Color Function
1% 5% 15% Green Indicates percentage utilization of LAN
30% Amber (yellow) bandwidth.
65+% Red
The Utilization LEDs indicate the percentage of network
bandwidth used by valid data. The hub updates this display
every 0.5 seconds.
There are 5 LEDs representing the percentage of network
utilization. The corresponding LEDs light to show that the
percentage utilization of LAN bandwidth has reached this level.
When active, these LEDs look like a stereo’s equalizer display.