3Com 3CRWER300-73-US User Guide - Page 17

Power LED Illuminated Logo, Alert LED, Cable/DSL, Wireless LAN WLAN Status LED

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Page 17 highlights

Physical Features 15 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 Chapter 6 Troubleshooting. 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 Cable/DSL Blue LED on indicates the physical connection is on. Fast flash means WAN port traffic activity. 4 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 Chapter 6 Troubleshooting. 5 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 Chapter 6 Troubleshooting). The port will automatically adjust to the correct speed and duplex.

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Physical Features
15
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
Chapter 6 Troubleshooting
.
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 Cable/DSL
Blue
LED on indicates the physical connection is on.
Fast flash means WAN port traffic activity.
4
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
Chapter 6 Troubleshooting
.
5
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
Chapter 6 Troubleshooting
). The port will
automatically adjust to the correct speed and duplex.