3Com Fast EtherLink XL PCI 10/100BASE-TX manual Running the Echo Test, On both PCs

4-6CHAPTER 4: TROUBLESHOOTING

Running the Echo Test

The echo test tests the 3C905B-TX NIC’s ability to transmit and receive data while on the network.

You need two PCs with 3Com NICs installed to run an echo test: one PC to send data and one PC to receive data.

CAUTION: Running the echo test while connected to an active network can cause intermittent failures. To avoid this, connect to an inactive network on which only the PC being tested is operating.

To run the echo test, follow these steps:

1Make sure that the 3C905B-TX NIC is installed in the sending PC and connected to the network (Chapter 2) and that the network driver is installed (Chapter 3).

2Install a 3C905B-TX NIC in another PC (the echo server), connect it to the network, and install the network driver.

The echo server PC is the responding PC.

3On both PCs:

a Click the Windows Start menu. b Select Programs.

c Select 3Com NIC Utilities.

d Select 3Com NIC Diagnostics.

e Click the Diagnostics tab to display the Diagnostics screen, shown in Figure 4-3.

4Click Respond on the Diagnostics screen (Figure 4-3) of the responding PC.

The Echo Test Responder screen appears on the responding PC.

5Click Start on the Echo Test Responder screen.

6On the Diagnostics screen (Figure 4-3) of the sending PC, click Send.

7On the Diagnostics screen (Figure 4-3) of the sending PC, click Start.

The statistics for the test appear in the Statistic section of the window.