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station to which the hub is connected is
powered off, or if there is a problem with
the link, the LED will remain off. And the
indicator blinking green when the data
will be received to all other connected
ports.
BNC: This indicator blinking green when the
data is transmitted.
Rear Panel Indicators
Twisted-pair Jacks
Use these jacks connect stations to the hub. These are MDI-X
(Medium Dependent Interface, Cross-Wired) jacks, which
means you can use ordinary stright-through twisted-pair cables
to connect user mechines and servers to the hub through them.
If you need to connect another device with an MDI-X jack,
such as another hub or an Ethernet switch, you should use a
crossver cable, or make the connection using the Uplink jack.
Uplink Jack
The Uplink jack is an MDI-II jack, which means you can
connect the hub (or a hub stack) to a device with an MDI-X
port using an ordinary straight-through cable, making a
crossover cable unnecessary.
Port1 and the Uplink port is really the same port, except thar
their pinouts are different. Do not use both Port-1 (1X) and
the Uplink port at the same time.