A
D
LED I
IAGNOSING
NDICATORS
B
C
EFORE
ONTACTING
T
ROUBLESHOOTING
Table 31: LED Indicators
Symptom
Action
POWER/ DIAG/FAIL LEDs
◆
are off
◆
LAN LED is off
◆
(when port connected)
◆
◆
◆
WLAN LED is off
◆
T
S
ECHNICAL
UPPORT
Check the following items before you contact local Technical Support.
If wireless clients cannot access the network, check the following:
1.
Be sure the access point and the wireless clients are configured with
■
the same Service Set ID (SSID).
If authentication or encryption are enabled, ensure that the wireless
■
clients are properly configured with the appropriate authentication
or encryption keys.
If authentication is being performed through a RADIUS server,
■
ensure that the clients are properly configured on the RADIUS
server.
If authentication is being performed through IEEE 802.1X, be sure
■
the wireless users have installed and properly configured 802.1X
client software.
– 241 –
The AC power adapter may be disconnected. Check
connections between the SMCE21011, the power adapter,
and the wall outlet.
The PoE cable may be disconnected. Check connections
between the SMCE21011 and the PoE power source.
Verify that the SMCE21011 and attached device are powered
on.
Be sure the cable is plugged into both the EAP8518A and
corresponding device.
Verify that the proper cable type is used and its length does
not exceed specified limits.
Check the cable connections for possible defects. Replace the
defective cable if necessary.
There is no detected signal from the 802.11a/n, or 802.11b/
g/n radio. Check connections and the management interface.