Switch
Green
Lit
Off
Internal Switch is active
One for the whole hub
(ED-1508SX only)
Internal Switch is inactive
(2) LED
LED
Color
Status
Description
Number of LED
PWR
(Power)
LNK/ACT
(Link/Activity)
100M
(100Mbps)
COL
(Segment
Collision)
Green
Green
Green
Yellow
Lit
Off
Lit
Off
Lit
Off
Flash
Lit
Off
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
Table 4-1 LED description
7
