Symptoms
Possible Reason
Suggestion
All LEDs are off.
The hub is not receiving
1. Check if the power adapter
DC power.
plug is securely fastened into the
AC outlet.
2. Contact you vender if still
unworkable.
Fan Err. LED is
The fan is dead or work
1. Check your fan, maybe you
blinking or down
abnormal
should have a new fan.
2. Contact the vender
LNK LED of a
1.The UTP cable is not
1. Check the cable connection
connected port
securely connected
is off.
2.The port is bad
2. Try to connect another port
3.If the other party is a PC,
3. Check if the network interface
the Network Interface
card (NIC) were installed
Card (NIC) could be not
properly.
working
4.If the other party is
4. Make sure ALW-3016 normal
a hub or LAN switch,
port is connected to the other
the connected ports signal
hub's (or switch's) uplink port,
could be cross-over
and ALW-3016 uplink port is
connected the other's normal port.
5.The UTP cable is broken,
5. Try another normal cable.
or it is cross-overed cable.
100 LED is not lit
The auto-negotiation
1. Check if you force the connection
when connected
function is failed between
equipment in specific mode.
to a 100 NIC or
ALW-3016 and the other
If, yes, then free it to auto-negotiation
100Hub (but LNK
part
2. Un-plug the UTP cable from
LED is lit.)
ALW-3016 and plug-in again.
3. Check if the NIC is setted to
auto-negotiation mode.
4. Check if the other hub is set
to auto-negotiation mode
5. If the above steps does not
work, it is an interoperability
problem, contact your vender.
4. Trouble shooting
9
User's Manual
new ALW-3016-UM 10/13/99 11:27 AM ›¶›– 9
