3Com EtherLink 3C985B-SX User Manual page 80

3 Launch the DOS diagnostics program on both PCs.
4 On the echo server (responder):
a From the Select menu item on the main screen,
select the NIC to be tested.
b From the Test menu, select Test Setup.
c Select Group 1, and select Disable Group.
d Select Group 2, and select Disable Group.
e If it is not already disabled, disable the
Transmit/Receive Test by selecting Group 3,
selecting Transmit/Receive Test, and pressing
the spacebar.
f Enable the Echo Test by selecting Group 3,
selecting Echo Test, and pressing the spacebar.
g Click OK.
The main screen reappears.
h From the Test menu, select Echo Server.
The Echo Server screen appears.
5 On the sending server:
a From the Select menu item on the main screen,
select the NIC to be tested.
b From the Test menu, select Test Setup.
c Select Group 1, and click Disable Group.
d Select Group 2, and click Disable Group.
e If it is not already disabled, disable the
Transmit/Receive Test by selecting Group 3,
selecting Transmit/Receive Test, and pressing
the spacebar.
f Enable the Echo Test by selecting Group 3, selecting
Echo Test, and pressing the spacebar.
g Enter the number of times you want the test to run,
or click Continuous.
Using the 3Com DOS Diagnostics Program 79