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 shooting9
User's Manual
new ALW-3016-UM 10/13/99 11:27 AM ›¶›– 9