Nortel Meridian SL-1 Supplementary Manual page 107

8-12 Upgrading from SL-1 XN (QCA55 cabinet) to Option 71
Shelf upgrades to Meridian 1 553-3001-253
• Disconnect and remove the remaining cables from the connectors
on each end of the QSP40 MEM shelf.
• Remove screws securing the QSP40 MEM shelf to the cabinet
frame and remove shelf from cabinet.
• Remove and store circuit packs and store QSP40 MEM shelf.
34 Enable the QPC173 Power Monitor by operating the faceplate switch
to ENB.
35 Attach QPF36 Terminating Plugs to remaining connectors on QPC417
Junctor board.
36 For systems with hard disks (Winchester):
a) load overlay program 43.
b) disable and remove both QPC584 MSI packs.
c) set switches 1,4 and 5 to ON on both MSI packs.
d) reinsert the packs in their assigned slots.
e) enable the QPC584 circuit packs.
f) enter command RES to restore the hard disk.
g) load overlay program 17 and change ADAN to HDK 0.
37 Use the command BKO in overlay 43 to backup the spare floppy
disks.
38 Perform system acceptance tests.
39 Load overlay program 2 and set time and date (see 553-2301-511).