4 TROUBLESHOOTING
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
Table
| TX |
| TX |
L | ACT |
N | 10 |
K | 100 |
ACT
10LNK
100LNK
LED | Color | Flashing | Steady | Off |
|
|
|
|
|
ACT | Yellow: | Network traffic | Heavy network | No traffic |
| Port traffic for | present | traffic |
|
| 10 or 100 Mbps |
|
|
|
10 LNK | Green: | Not applicable | Good | No connection |
| Link integrity |
|
| between NIC |
|
|
| connection | and hub |
|
|
| between NIC |
|
|
|
| and hub |
|
100 LNK | Green: | Not applicable | Good | No connection |
| Link integrity |
| between NIC | |
|
|
| connection | and hub |
|
|
| between NIC |
|
|
|
| and hub |
|
|
|
|
|
|
