Troubleshooting - 3Com Server User Manual

4
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
network driver must be installed (see
Table 4-1
Table 4-1 3C395 NIC LED Descriptions
LED Color
ACT Yellow:
Port traffic for
10 or 100 Mbps
10 LNK Green:
Link integrity
100 LNK Green:
Link integrity
T
ROUBLESHOOTING
describes the 3C395 NIC LEDs.
T X
T X
A C T
L
1 0
N
K
1 0 0
Flashing
Network traffic
present
Not applicable
Not applicable
Chapter
Chapter
ACT
10 LNK
100 LNK
Steady
Heavy network
traffic
Good
10BASE-T
connection
between NIC
and hub
Good
100BASE-TX
connection
between NIC
and hub
2) and the
3).
Off
No traffic
No connection
between NIC
and hub
No connection
between NIC
and hub