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M3900 Flash Download Page 265 of 504
Telephones and Consoles Description, Installation, and Operation
card that contains the telephones being downloaded is disabled, then the
download to the telephones on that loop, shelf, or card fails.
According to the existing PSWV logic, when PSWV is in progress, an
attempt to load an overlay is denied and result in an OVL0306 message.
Nortel strongly recommends that you not force load an overlay (load with a
Suspend option) unless there is an emergency while PSWV is in progress. In
this instance, existing PSWV logic aborts downloading for the current PSWV
block (of cards or telephones of a given type being downloaded) and restarts
the download for that block and remaining ones after the overlay is exited. If
this happens to M3900 flash download, the block of telephones are
out-of-service for a lengthy period of time and this prolongs the completion
of the system-wide flash download.
If system warm-start (Initialization) or cold-start (Sysload) occurs while flash
download is in progress, the download process is aborted abruptly. Any
telephones which are in the middle of download fail to complete firmware
download and are left inoperable. You must re-enter the single-telephone or
system-wide flash download command later to restart and complete the
download. For system-wide downloads, any previously scheduled telephones
are no longer queued for download.
While a manual individual download operation is still in progress, do not
abort LD 32 (except in an emergency) by using the **** command. If the
overlay is aborted before completing the download, the telephone is left
inoperable until a flash download command for the telephone is re-entered
and completed at a later time.
During system wide download, you can use all overlays by issuing the
ld x susp command. However, this ungracefully stops the download to the
current group of telephones that are being downloaded and leaves them
without firmware until the overlay is exited. The download to these
telephones is then started again.
While a system-wide flash download operation is in progress:
• Service change (CHG, MOV, or OUT) to a unit that is currently being
downloaded is blocked in LD 11. An SCH1958 message is printed.