3Com WL-603 User Manual
Page 18
16
C
HAPTER
1: I
NTRODUCING
THE
R
OUTER
1 Power LED (Illuminated Logo)
White
The 3Com logo serves as power OK indicator. This LED will light if the
router is receiving power from the power adapter. If it is not lit check the
power adapter connections. Refer to
2 Alert LED
Amber
Fast flash during self test. If self test fails the LED will remain on.
Fast flash during software upgrade.
Fast flash for software reset to the factory defaults.
Fast flash for hardware reset to the factory defaults.
The LED is on for 2 seconds when the firewall detects a hacker attack.
3 ADSL Sync
Blue
LED on indicates the Internet connection is on. This LED flashes during
configuration at power up.
4 ADSL Data
Blue
Fast flash means transmitting/receiving data.
Slow flash means ADSL connection is down.
5 Wireless LAN (WLAN) Status LED
Blue
If the LED is on it indicates that wireless networking is enabled. If the LED
is flashing, the link is OK and data is being transmitted or received. If the
LED is off, the Wireless LAN has been disabled in the Router, or there is a
problem. Refer to
6 LAN Status LEDs (4 indicators)
Blue
If the LED is on, the link between the port and the next piece of network
equipment is OK. If the LED is flashing, the link is OK and data is being
transmitted or received. If the LED is off, nothing is connected, or the
connected device is switched off, or there is a problem with the
connection (refer to
). The port will
automatically adjust to the correct speed and duplex.