DEC PORTswitch 900FP, Руководство по установке и настройке

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Description of Menu Options
3–30 Configuring the Module
[6] Downline Upgrade (Cont.)
Table 3-2: DLU Process Description (Cont.)
Stage What Happens
3 The new firmware image is transferred from the
module's temporary storage buffer to the NVRAM,
overwriting the old firmware image.
CAUTION
If power is interrupted during Stage 3 of the DLU process,
the firmware image can become corrupted. Do not turn off
power to the unit or perform any action that can cause the
unit to lose power during Stage 3 of the DLU process.
This stage normally takes less than 1 minute to complete.
The following states indicate that this stage is in progress:
•
Module status – functional, but not manageable.
•
Module cannot respond to management requests.
•
LED display – the Power LED and the Module OK
LED remain on. The #3 Port State LED turns off. The #4
Port State LED lights.
•
HUB Manager display –
PORTswitch 900FP
unknown
After the transfer is complete, the #5 port state LED lights for
up to 22 seconds while the module awaits a reset.
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