Dual-Speed Stackable Hubs User’s Guide
Understanding Indicators
14
Hub State Indicators
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Power Indicator
This indicator lights green when the hub is receiving power;
otherwise, it is off.
♦
Switch Activity
This indicator green when the switch circuit active and the in-
dicator blinking green when transfers signals between 10-Mbps
and 100-Mbps network segments.
♦
10M Activity, 100M Activity
These indicators indicate data packet on the respective 10Mbps
Ethernet or 100Mbps Fast Ethernet segments will blink green.
♦
10M Collision, 100M Collision
These indicators indicate data collisions on the respective
10Mbps Ethernet or 100Mbps Fast Ethernet segments of the
hub. (If several hubs are stacked or linked together, all of
them should detect and indicate the same collision, since colli-
sions span the entire network segment.) Whenever a collision
is detected, the respective COL indicator will briefly blink am-
ber.
100BASE-FX Module Indicators
The FX Link/Rx, indicate a good link to a module installed.