Nortel Meridian 1 Option 11C Upgrade Manual page 170

Page 170 of 224
553-3021-250 Standard 7.00
Upgrade Option 11C/11C Mini software to a new release
Procedure 18
Upgrade software and change the Software Daughterboard to an
NTDK81 or NTTK13
1 Check the existing program store.
a Log in to the switch and access overlay program 135 (LD 135).
b Type the following at the prompt:
stat mem
The output indicates the amount of program store available on the
system.
• If the output indicates that the program store size is 24 Mb, the
system has an NTDK21. You must upgrade the system's
daughterboard before continuing.
• If the output indicates that the program store size is 32 Mb, the
system has an NTDK81. You can continue with Procedure 19
on page 174.
• If the output indicates that the program store size is 32 Mb and
the C: drive flash is 16 Mb, the system has an NTTK13.
Continue with Procedure 19 on page 174.
• If the output indicates that the program store size is 40 Mb, the
system has an NTTK13.
2 Perform a data dump (EDD).
a Load overlay program 43 (LD 43 or 143).
b Enter command EDD.
3 Disable all DCHs using LD 60.
4 Disable all AML links using LD 48.
5 Check the release number on the faceplate of the NTDK20 SSC.
If the release number is 11 or higher, or if you have upgraded the boot
ROM release to 09 or higher, go to Step 9.
6 Insert the Software Delivery card for the required release of
software in slot A in the PCMCIA socket located in the NTDK20
SSC faceplate. See Table 25 on page 172 for the required release of
software.
See Figure 61 on page 171 for the correct position.
Note: Carefully press on the PCMCIA card until it seats tightly.
April 2000