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DECrepeater 90TS 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
, Module OK , and Network* LEDs
remain on. The Port State LED #3 turns off. The Port State LED
#4 lights.
•
HUB Manager display —
DECrepeater 90TS
unknown
•
Typical time to complete this stage — normally 30 seconds.
(continued on next page)
*If the module is connected to the network through the ThinWire port, the
Network OK # A LED is lit. Otherwise, if the module is connected to the
network through the AUI port, the Network OK # B is lit.
