4
T
ROUBLESHOOTING
This chapter describes how to use the 3C395 NIC LEDs and
diagnostic tests as troubleshooting aids. It also provides tips
for troubleshooting.
LEDs
Before the LEDs can be used for troubleshooting, the NIC
must be connected to the network (see
Chapter 2
) and the
network driver must be installed (see
Chapter 3
).
Table 4-1
describes the 3C395 NIC LEDs.
Table 4-1
3C395 NIC LED Descriptions
LED
Color
Flashing
Steady
Off
ACT
Yellow:
Port traffic for
10 or 100 Mbps
Network traffic
present
Heavy network
traffic
No traffic
10 LNK
Green:
Link integrity
Not applicable
Good
10BASE-T
connection
between NIC
and hub
No connection
between NIC
and hub
100 LNK
Green:
Link integrity
Not applicable
Good
100BASE-TX
connection
between NIC
and hub
No connection
between NIC
and hub
TX
TX
ACT
10
100
L
N
K
ACT
10 LNK
100 LNK
