
AppendixA: Flash Download procedure Page 117 of 174
M3900Series Meridian Digital Telephones Description,Installation and Administration
25.10
Re-issue
Yes Release 1;
Release 2
1.Call Nortel Ne tworks technical
support to find out how to receive
an upgrade.
• On Option 51C CP2
systems,a DRAM upgrade
from16 to 32 Megis
required.
• An upgrade from MAT6.5
isrequired.
2.Determine M3900 PSWV to
install(see Table 18 on page 136).
Note: SelectPSWV #5 (Release 1
firmwarefor X11 Release 24; second
PCMCIAcard is needed) only if the
customeris just running the Release 24
M3900features.
3.Download software from the web
withthe appropriate PSWV
languagefile.
4.Follow the PSDL Installation
Procedure(see “PSDL Installation
Procedure”on page 142) to install
softwarewith the selected M3900
PSWVfile.
5.Install the manufactured patch.
6.Download firmware to the
telephones,following the Flash
Downloadprocedure.
Table 1 5
FlashDownload procedure matrix for small systems (Part 4 of 5)
Present
software
Upgradeto
software
Keycode
required
M3900
telephones Upgradesteps