Meridian M3902 Description And Installation page 119

Table 16
Flash Download procedure matrix for large systems (Part 1 of 3)
Upgrade
Present
to
software
software
24.25 25.08
Re-issue
25.15
Re-issue
M3900 Series Meridian Digital Telephones Description, Installation and Administration
Appendix A: Flash Download procedure
Keycode M3900
required telephones
Yes Release 1
Release 2
Yes Release 1;
Release 2
Upgrade steps
1. Call Nortel Networks technical support
to find out how to receive an upgrade.
• On Option 51C CP2 systems, a
DRAM upgrade from 16 to 32
Meg is required.
• An upgrade from MAT 6.5 is
required.
2. Follow the PSDL Installation
Procedure (see "PSDL Installation
Procedure" on page 142).
4. Install the manufactured patches.
5. Download the firmware to the
telephones, following the Flash
Download procedure.
Note: This is not a standard process. There
should not be M3900 Release 2 telephones on
a Release 24.2x system.
1. Follow large system 24.2x to 25.08
Re-issue procedure for Release 1
telephones (above). The 25.08 Re-issue
contains M3900 Release 1 firmware.
Following the flash download process
downgrades the M3900 Release 2
telephones to Release 1 firmware.
Follow the standard Software order
process.
Page 119 of 174