Nortel Meridian M3900 Reference Manual page 104

104 Features, firmware, and software management
Note: The M3901 does not support firmware upgrades.
The M3900 Release 3 telephone sets that are supported on the
Meridian SL-100 require the minimum firmware releases that Table 28
shows.
Table 28
M3900 Release 3 minimum firmware releases
Component
M3902
M3903
M3904
M3904 with Full Duplex Handsfree
M3905
Key-based Expansion Module
Display-based Expansion Module
The firmware version of the M3902, M3903, M3904, and M3905
telephones can be found through the Options List and Display
Diagnostics option on the M3900 telephone (see Procedure 39).
Procedure 39
Verify firmware versions of M3900 telephones
1
2
3
4
555-4001-136 Standard 05.06 May 2002
Press the Options key on the M3902, M3903, M3904, or M3905 telephone
set.
Scroll to the "Display Diagnostics" option, using the up or down navigation
keys.
Press the Select softkey.
Scroll to the screen that shows firmware version using the up or down
navigation keys.
The bottom line of the screen should display Flash: X.X to LX.X. The first
number after flash indicates the current firmware version of the telephone.
This procedure is now complete
Minimum firmware/Release numbers
Firmware version 8.0
Firmware version 8.0
Firmware version 8.2
Firmware version 8.X
Firmware version 8.1
Release 02
Release 06