Acer ALH-316ds/324ds 用户手册

Symptoms

Possible Reason

Suggestion

All LEDs are off.

The hub is not receiving 

1.Check if the AC power cord 

power.

plug is both securely fastened at 
the AC outlet and the hubs.
2.Contact you vender if still 
unworkable.

Fan Err. LED is

The fan is dead or works  1.Check your fan, maybe you 

blinking or down

abnormal

should have a new fan.
2.Contact the vender

Link LED of a

1.The UTP cable is 

1.Check the cable connection

connected port

not securely connected

is off.

2.The port is bad

2 Try to connect another port

3.If the other party is a 

3.Check if the network interface

PC, the network interface  card (NIC) were installed
card(NIC) could be not 

properly.

working
4.If the other party is a

4.Make sure ALH-316ds/324ds 

hub or LAN switch, the 

normal port is connected to the

connected ports signal 

other hub’s (or switch’s) uplink

could be cross-over

port is connected the other’s
normal port.

5.The UTP cable is

5.Try another normal cable.

broken, or it is cross-
overed cable.

100 LED is not lit 

The auto-negotiation 

1. Check if you force the

when connected to a 

function is failed between connection equipment in

100 NIC or 100 Hub 

ALH-316ds/324ds and the  specific mode. If, yes, then free

(but Link LED is lit.)

other part

it to auto-negotiation

2. Un-plug the UTP cable from
ALH-316ds/324ds and plug-in
again.
3.Check if the NIC is set 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.

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update ALH-316_324UM.qxd  11/10/99 8:42 AM  ›¶›– 1 4