3Com Nic Diagnostics Program - 3Com XL PCI User Manual

4-2 C
HAPTER
Figure 4-1 LEDs
Table 4-1 LED Descriptions
LED Description
10 LNK Green:
Link integrity
100 LNK Green:
Link integrity
ACT Yellow:
Port traffic for
either speed

3Com NIC Diagnostics Program

Use the 3Com NIC Diagnostics program for Windows 95
and Windows NT to test the 3C905B-TX NIC and change
configuration. To change the NIC's configuration, see
Chapter 5. If you are running NetWare Client 32 with the
NetWare ODI driver, use the DOS diagnostic program
described in the INSTRUCT.TXT file in the HELP directory on
EtherDisk Diskette #1.
The 3Com NIC Diagnostics program is installed with the
driver. Driver installation is described in Chapter 3. You must
install the driver before you run the program.
4: T
ROUBLESHOOTING
T X
RJ-45 port
D A T A
ACT LED
A C T
10 LNK LED
1 0
L
N
1 0 0
100 LNK LED
K
Flashing
Reversed
polarity
Reversed
polarity
Network traffic
present
Steady
Good 10BASE-T
connection between
NIC and hub
Good 100BASE-TX
connection between
NIC and hub
Heavy network
traffic
Off
No connection
between NIC
and hub
No connection
between NIC
and hub
No traffic