HP 445 Troubleshooting a Terminal or Modem Connection, To test an Fddi port, Reset Speed Sensing

Troubleshooting

Diagnostic Tests

To test an FDDI port:

1.Detach the network connection and attach a loopback connector to either FDDI port. (Refer to ‘‘Loopback Connectors’’ on page A-20.)

2.Press the Reset button to reset the router.

3.If the Net Fail LEDs for the tested port light, the port is faulty. Replace the router.

To test the router’s console port:

The console port test is included in the next section.

Troubleshooting a Terminal or Modem

Connection

If the automatic speed sensing does not connect your console and give you the router’s copyright and Main menu screens, as described under “Connect a console” (page 1-10), then try the following procedures in se- quence:

Reset Speed Sensing:

1.Detach the console cable from the router.

2.Reattach the console cable to the router.

3.Look for the line of text on your console that indicates waiting for speed sensing; then press [Return] to display the copyright screen or the Main menu screen. If neither of these screens appears, press [Return] again. If pressing [Return] four or five times does not display either the copyright or Main menu screen, go on to ‘‘Adjust Baud Rate’’ on page 3-13

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