Preliminary Steps; Le (Qca23 Ce Cabinet) To Meridian 1 Option - Nortel Meridian SL-1 Supplementary Manual

Preliminary Steps

1 Obtain printouts of all the characteristics (TN, loop, telephones and all
other assignments and features) of the existing system. Retain these
printouts for an after conversion check.
2 Using overlay program 43, perform a data dump to the existing tape or
disk.
3 Remove the covers or doors from the front of the CE cabinet and any
peripheral equipment cabinets in the system.
4 Designate (but do not disconnect) all the cables connected to the
circuit packs in the CE cabinet.
5 Set the ENB/DIS switch on all the QPC84 circuit packs to DIS.
SL-1 LE (QCA23 CE cabinet) to Meridian 1 Option 21
Be sure the preliminary steps have been carried out before starting this
procedure.
1 Load overlay program 35 and STAT CPU to check which CPU is
active. If necessary switch CPU's (SCPU) to ensure that system is
operating in CPU 1.
•
2 Disable faceplate switch on the QPC84 power monitor circuit pack in
the QCA23 CE cabinet.
3 Set circuit breaker CPU 0 located on the QBL10 power distribution
box in the QCA23 cabinet to OFF.
•
•
Set the MAINT/NORM switch on the QPC42 circuit pack on
QSD12 CPU/Memory shelf 1 to MAINT (shelf position 3
Figure 2-1).
Disconnect and remove cables connected to faceplate connectors
on circuit packs located in the QSD12 CPU/Memory shelf 0
located in shelf position 5 (Figure 2-1).
Disconnect the power connector (P5), the power monitor
connector and the inter shelf cables from the end of the QSD12
CPU/Memory shelf 0.
Upgrading LE, A, M, MS to Option 21 2-3
Shelf upgrades to Meridian 1 553-3001-253