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5-1
Chapter 5
Troubleshooting
This chapter provides several methods for troubleshooting problems related to the
BayStack 21 PCI 10/100 Adapter w/WOL.
Diagnostic LEDs
Three LEDs on the front of the BayStack 21 network card provide diagnostic
information. The 10 Mb/s 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 5-1
describes the Link and Activity LED indications.
Table 5-1. LED Indications
Label Color Activity Description
10 LNK 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.
100 LNK Green On A 100 Mb/s connection has been established.
Off Power is not supplied to the network card, or a 100 Mb/s
connection is not established.
ACT Green On Heavy network traffic is passing through the port.
Blinking Intermittent or light network traffic is passing through the port.
The rate of blinking is proportional to the amount of network
traffic.