36
DECrepeater 90FS Installation and Configuration
Configuring the Module (Cont.)
[10] Downline Upgrade (Cont.)
Table 1 (Cont.)
DLU Process Description
Stage
What Happens
3
The new firmware image is transferred from the module’s tem-
porary storage buffer to the Flash RAM, 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.
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 and the Module OK
LED
remain on. The Redundancy Enabled LED lights.
•
HUB Manager display —
DECrepeater 90FS
unknown
•
Typical time to complete this stage — normally 30 seconds.
4
The module resets, runs self-test, and then begins executing
the new firmware image.
Indications that this stage is in progress include:
•
Module status — not functional during reset and self-test.
•
Module cannot respond to management requests.
•
LED display — the Power
LED remains on. The Module OK
and the Redundancy Enabled LEDs turn off. All LEDs light
momentarily. Then, all, except the Power LED, turn off.
•
HUB Manager display —
DECrepeater 90FS
unknown
•
Typical time to complete this stage — normally 1 minute.
After the successful completion of self-test, the Module OK
turns on and the module becomes fully operational and manage-
able. Note also that the HUB Manager display indicates:
DECrepeater 90FS
up
LED
Summary of Contents for DECrepeater 90FS
Page 78: ......