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Alfa ADH16SB User Manual

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Switch
(Internal Switch)
Green
Lit
Off
The internal switch is active
One for the whole Hub
The internal switch is inactive
(2) LED
Table 4-1  LED description
8
LED
Color
Status
Description
Number of LED
PWR
(Power)
LNK/ACT
(Link/Activity)
100Mbps
COL
(Segment
Collision)
UTIL.
(Segment
Utilization)
Green
Green
Green
Yellow
Green
Lit
Off
Lit
Off
Lit
Off
Flash
Lit
Off
Lit
Power is supplied
One for the whole Hub
No power
A valid link is established
One for each port
Data packets received
No link is established
This port run at 100Mbps
One for each port
Not connected or run at 10M
Collision detected in this segment
One for 10Mbps 
segment and one for 
100Mbps segment
No Collision
Indicate network utilization
One set for 10Mbps 
segment and one set for 
100Mbps segment