3com 3C319 Manuale Utente

9-4

HAPTER

9: T

ROUBLESHOOTING

NIC I

NSTALLATION

Ring Operations Test

This test assesses communication on the ring. The
3C319 NIC must be attached to the ring to run this test
successfully. The 3C319 NIC also must be set to the
correct ring speed. Note that this test always fails when
you are using a Dedicated Token Ring (DTR) hub.

Close NIC Test

This test verifies the 3C319 NIC’s ability to close the
3C319 NIC and terminate the Ring Operations Test. The
3C319 NIC must have been previously opened.

Group 2 Diagnostic

The Group 2 diagnostic test (NIC Wrap Test) causes all
user-transmitted data to be sent and received without
going to the network.

A lobe cable must be connected from the selected
3C319 NIC to a retiming concentrator or MAU for the
Group 2 test. A lobe cable is the section of cable that
attaches a ring station or network device to a MAU or
wiring hub.

Running the Diagnostic Tests

The Configuration and Diagnostic Program can be
started from the menus or the DOS command line. For
command line instructions, see the INSTRUCT.TXT file in
the \HELP subdirectory on TokenDisk diskette #1.

1 Insert TokenDisk diskette #1 in the floppy drive

and type:

a:\ [Enter]

2 To start the diagnostic program, type:

3trdiag [Enter]

The Configuration and Diagnostic Program main window
appears, as shown in Figure 9-2.

3 Use the arrow keys to select the Test pull-down

menu shown in

Figure 9-2