The hub management menus and Boot menu require a serial interface through the
Symptom | Cause/Solution | |||
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– | During firmware upgrade, the | The hub device agent code and hub controller firmware are | ||
| following message appears | not compatible. Incompatibility can occur when: | ||
| every 1 minute and 45 seconds: | – | The device agent code was installed in the incorrect | |
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| order. | ||
| – | Firmware transfer was interrupted during the update | ||
| 03.06 is now loaded | |||
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| procedure. | ||
| into RAM |
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| – | Only one firmware file was updated. | ||
– | After firmware upgrade, ‘Hub | |||
The hub controller firmware must be updated before | ||||
| Controller Version”and “Status | |||
| updating the hub device code. Both files must be updated. | |||
| of Hub Controller | |||
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| blank on Main menu. | Reinstall the prior version of the firmware as described in | ||
– | All port LEDs are off. | the following section. Then follow the update procedures | ||
provided in Updating the Hub Firmware on page 48. | ||||
– | The hub is inoperable. | |||
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The terminal screen does not | The serial port is not connected. Verify that the serial | |||
display a prompt. | cable is connected to the correct ports. | |||
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| The cable is not a | ||
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| cable connected to the | ||
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| The terminal or terminal emulator is not configured | ||
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| correctly. Verify that the terminal or terminal emulator is | ||
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| configured as described on page 46. | ||
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“pROBE+>”appears instead of | The hub firmware is experiencing temporary difficulty. | |||
the Main menu. | Reset the hub, and verify that the Main menu appears. | |||
Troubleshooting
If Firmware Upgrade Appears to Fail | 79 |