Nortel Meridian 1 Manual page 585

9-6 Meridian 1 option 51 upgrades
Table 9-2
Database conversion requirements, option 51 upgrade to X11 release 21
X11 release
ROM card
required
From To
For converting a release 15 or 16 customer database
(Use conversion procedure beginning on page 9-7)
15, 16 18 NTND08
18 19 NTND08
19 21 NTND08
For converting a release 17 customer database
(Use conversion procedure beginning on page 9-13)
17 19 NTND08
19 21 NTND08
For converting a release 18 customer database
(Use conversion procedure beginning on page 9-19)
18 19 NTND08
19 21 NTND08
Note: Use the latest software release (e.g., 15.xx) acquired from your Northern Telecom representative. If a
specific issue is indicated (e.g., 15.53 and 15.57), it must be used.
For converting a release 19 or 20 customer database
(Use conversion procedure beginning on page 9-23)
19, 20 21 NTND08
553-3001-250 Standard 14.00 August 1996
Software required (see note)
Release 18.xx option 51 software disk and data cartridge
Release 19.xx option 51 software disk and data cartridge
Release 21.xx option 51 software disk and data cartridge
Release 19.xx option 51 software disk and data cartridge
Release 21.xx option 51 software disk and data cartridge
Release 19.xx option 51 software disk and data cartridge
Release 21.xx option 51 software disk and data cartridge
Release 21.xx option 51 software disk and data cartridge