Running The Group 2 Tests - 3Com EtherLink 3C985B-SX User Manual

76 C
HAPTER

Running the Group 2 Tests

Run the Group 2 tests to check the integrity of the
on-board circuitry and the on-board transceiver and cable
connectors. To run the External Loopback Test, you must
use a loopback plug.
CAUTION: Do not run the External Loopback Test when
the 3C985B-SX server NIC is cabled to another device.
To run the Group 2 tests:
1 Insert the loopback plug into the 3C985B-SX
server NIC.
For instructions on constructing a loopback plug, see
Constructing Loopback Plugs
2 From the Select menu on the diagnostics program
main screen, select the 3C985B-SX server NIC to
be tested.
3 From the Test menu, select Test Setup.
The Test Setup screen appears.
4 Disable Group 1 tests by selecting Group 1 and
clicking Disable Group.
5 Verify that Group 3 tests are disabled.
If the Group 3 tests are not disabled, select Group 3, and
select Disable Group.
6 Select Group 2 and select Enable Group.
You can enable and disable an individual test by selecting
the test and pressing the spacebar.
7 Enter the number of times you want the tests to run,
or select Continuous.
8 Click OK.
The main screen reappears.
9 From the Test menu, select Run Tests.
The Test Results screen appears.
10 Click Start to run the Group 2 tests.
The test results are updated on the screen as the tests run.
11 When you are finished, remove the loopback plug
and reinsert the network cable.
5: D
IAGNOSTICS AND
T
ROUBLESHOOTING
in this chapter.