Verify System Operation
Check each connection by viewing the port status
indicators shown in the following table. The switch
EF800-SI monitors various statuses for every port.
If there is any abnormal condition, please follow
the trouble-shooting advice detailed in the next
section.
Troubleshooting by the Diagnostic
LED Indicators
LED State
Indication
Power On
Off
EF800-SI is powered.
EF800-SI is not powered.
LNK/ACT On
Off
Flashing
Port has established a valid network connection.
Port has not established a valid network connection
Traffic is traversing the port.
100Mbps On
Off
Port runs at 100Mbps.
Port runs at 10Mbps.
FDX/COL On
Off
Port operates in full-duplex mode or collision in
half-duplex mode.
Port operates in half-duplex mode without collision.
The operation of EF800-SI can be easily monitored
through panel LED indicators to assist the network
man ager in ident if ying problems . This sec t ion
d e s c r i b e s s o m e c o m m o n p r o b l e m s y o u m a y
encounter and together with possible solutions,
as shown in following.
Symptom: Power LED does not light up after alternating current
being
Afforded.
Cause:
Defective power outlet or power cord.
Solution:
Check the power outlet by plugging in another device that
functions properly. Or check the power cord with another
device.
Symptom:
The LED’s, except the power one, don’t light down after
Power on.
Cause: RESET
functions
improperly.
Solution: Power
on
again.
