3com 206380-A Manuel D’Utilisation

Page de 80
206380-A
4-1
 
Chapter 4
Troubleshooting
This chapter provides several methods for troubleshooting problems related to the 
BayStack 22 PC Card Adapter.
Diagnostic LEDs
Three LEDs on the media coupler of the BayStack 22 network card provide 
diagnostic information. The 10 and 100 Mb/s Link LEDs indicate successful 
network connections to Ethernet and Fast Ethernet devices, respectively. The Link 
LEDs remain steady if the connection is stable. You should check the RJ-45 
connection if the LED is not steady. The Activity LED indicates active network 
traffic.
 describes the Link and Activity LED indications.
Table 4-1.
LED Indications
Label
Color
Activity
Description
10M
Green
On
A 10 Mb/s connection has been established.
Off
Power is not supplied to the network card, or a 10 Mb/s 
connection is not established.
100M
Green
On
A 100 Mb/s connection has been established.
Off
Power is not supplied to a network card, or a 100 Mb/s 
connection is not established.
ACT
Green
On
Heavy network traffic is passing through the port.
Green
Blinking
Network traffic is passing through the connected port. 
The rate of blinking is proportional to the amount of 
network traffic.