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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.
Table 4-1
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.