Hub Maintenance Tasks; Testing The Hub Only; Clearing A Password For The Ascii Console - HP ProCurve 10Base-T 12 Installation Manual

Troubleshooting

Hub Maintenance Tasks

There are several hub maintenance tasks you can perform. They include:
Each of these tasks is described in the following sections.

Testing the Hub Only

If you believe that the hub is not operating correctly, you can test it to
determine normal operation in two ways:
This procedure will cause the hub to complete its power-on self-test. If any
error conditions exist in the hub, the LEDs should display the condition.

Clearing a Password for the ASCII Console

On the HP J3301A and HP J3303A, you can use the Clear button to clear a
forgotten console password that was previously configured on the hub. The
password is configured from the ASCII console. Note that the HP J3300A and
HP J3302A hubs do not have a Clear button because they do not have password
setting capability because they are unmanageable hubs.
Figure 2-1. Clearing a Password
To clear the password for the HP J3301A and the HP J3303A, follow these steps:
1.
2.
2-6
testing the hub only
clearing a password from the ASCII console
running connectivity tests
pressing the Reset Button.
remove and reinsert the power cord for that hub.
Verify the hub has powered-up, passed power-on self test, and that the
Power LED is lit.
Press the Clear button for 10 seconds.
Clear Button