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Appendix A: Flash Download procedure Page 131 of 174
M3900 Series Meridian Digital Telephones Description, Installation and Administration
Single-Set Flash Download
Flash DownLoad Unit (FDLU) - initiate flash download for this unit. For
this command to work, the set must be in an idle state. That is, there can be
no active call, no active application, and the set must be configured and in
working condition (responding to a query command). Also, the firmware
version on the set must not be current. That is, it must be different from the
one on the system disk.
.FDLUlscu
l = loop address
s = shelf address
c = card address
u = unit address
Flash DownLoad Idle (FDLI) - initiate flash download as soon as the set is
idle. For this command to work, the set must be in working condition. If the
set is idle, the downloading occurs immediately. If the set is on an active call,
downloading occurs immediately after the call is terminated. However, if
after the active call is terminated, there is an active application on the set,
downloading is aborted. Again, the downloading operation occurs only if the
version on the set is not current.
.FDLIlscu
Flash DownLoad Forced (FDLF) - initiate flash download immediately.
For this command to work, the set must be in working condition. If the set is
idle, the downloading occurs immediately. If the set is on an active call, the
call is force disconnected and then downloading occurs immediately after the
disconnect. It also force downloads the system disk version even if the set
firmware version is more current. However, if there is an application active
on the set, the downloading operation is aborted.
.FDLFlscu
System-wide Flash Download
To prepare and trigger the flash download for the whole system manually,
load Overlay 32 and issue the following commands: