Running the Group 3 Tests
The Group 3 tests verify the ability of the NIC to send and
receive data on the network. Group 3 consists of two tests:
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Running the Transmit/Receive Test
The Transmit/Receive Test checks the ability of the NIC
to exchange packets with another computer. To run
the Transmit/Receive Test, two PCs with 3C985B-SX
server NICs installed are required: one PC to transmit data
and one PC to receive data.
CAUTION: Running the Transmit/Receive Test while
connected to an active network can cause intermittent
failures. To avoid this, connect to an inactive network
on which only the PCs being tested are operating.
To run the Transmit/Receive Test:
1 Make sure that a 3C985B-SX server NIC is installed in
the transmitting PC and connected to the network.
2 Install a 3C985B-SX server NIC in another PC (the
receiving PC) and connect it to the network.
3 Launch the DOS diagnostics program on both PCs.
4 On the receiving PC:
a From the Select menu item on the main screen, select
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 Enable the Transmit/Receive test by selecting Group 3,
f Click OK.
g From the Test menu, select Receiver.
Using the 3Com DOS Diagnostics Program
Transmit/Receive Test
Echo Server Test
the NIC to be tested.
selecting Transmit/Receive Test, and pressing the spacebar.
The main screen reappears.
The Transmit/Receive Receiver screen appears.
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