Digital Equipment DECrepeater 90FS, Руководство по установке и настройке

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DECrepeater 90FS Installation and Configuration 35
Configuring the Module (Cont.)
[10] Downline Upgrade (Cont.)
Table 1 DLU Process Description
Stage What Happens
1 The new firmware image from the TFTP load host is trans-
ported across the network, and placed into a temporary stor-
age buffer in the module.
Indications that this stage is in progress include:
•
Module status — functional, but not manageable.
•
Module cannot respond to management requests.
•
LED display — The Power LED remains on. The Module OK
LED turns off. The Redundancy Enabled LED lights.
•
HUB Manager display —
DECrepeater 90FS
unknown
•
Typical time to complete this stage — normally 1 minute.
However, due to variances in network configurations (load path,
bit rate, and traffic levels), this stage of the DLU process can take
up to 10 minutes to complete.
2 The module verifies that the firmware image is correct after
Stage 1 is complete.
Indications that this stage is in progress include:
•
Module status — functional, but not manageable.
•
Module cannot respond to management requests.
•
LED display — The Power LED remains on. The Module OK
LED lights. The Redundancy Enabled LED turns off.
•
HUB Manager display —
DECrepeater 90FS
unknown
•
Typical time to complete this stage — normally 5 seconds.
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