Performing Troubleshooting and Diagnostic Tests
7-14
Group 3 Test
The Group 3 test is called the Echo Exchange Test.
It tests the adapter’s ability to transmit and receive data
while on the network.
To run the Group 3 test on the network, you need a
second computer set up as an echo server. The echo
server receives packets from the adapter being tested and
echoes them back to the adapter.
The second computer must contain a 3Com adapter.
The diagnostic program that comes with the adapter
supports the EtherLink III echo server diagnostic program.
Setting Up an Echo Server
If your echo server contains an EtherLink III adapter,
select the Echo Server menu item under the Test menu,
and select <Start> to make the computer an echo server.
If you are setting up an echo server using a 3Com adapter
other than an EtherLink III adapter, follow these steps.
1. Select a computer to use as an echo server.
2. Insert the EtherDisk diskette in a floppy drive.
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