Nortel Meridian 1 Replacement Manual page 132

Page 132 of 362
553-3001-520 Standard 16.00 April 2000
Replacing equipment
4 Set the NORM/MAINT switch on the Call Processor (CP) card to
MAINT on the active Core.
5 Set the ENB/DIS switch on all CNI cards on the inactive Core to DIS.
6 Perform the following three steps on the inactive Core in an
uninterrupted sequence:
a Press and hold down the MAN RST button on the CP card on the
inactive Core.
b While holding down the MAN RST button, set the NORM/MAINT
switch on the same CP card to MAINT.
c Release the MAN RST button.
The system is now in split mode where each Core is functioning
independently and the automatic switchover has been disabled.
7 To remove the faulty IOP card and replace the data cartridge from the
faulty IOP to the replacement IOP:
a Set the ENB/DIS switch on the faulty IOP to DIS.
b Remove the IOP from its card slot in the inactive Core.
c Remove the screw that secures the QMM42 Data Cartridge. Gently
unplug the cartridge from the connectors on the component side of
the IOP card.
d Plug the above QMM42 Data Cartridge into the replacement IOP
card and install the screw that secures it to the IOP card.
8 To install the replacement IOP card into the IOP card slot:
a Set the ENB/DIS switch on the replacement IOP to DIS.
b Install the IOP card into its vacant card slot and lock the locking
devices by pushing them gently towards the faceplate.
c Set the ENB/DIS switch to ENB and observe the card LED during
self-test. The LED should flash three times and stay lit until the card
is enabled.
9 Press the MAN RST button on the CP card on the inactive Core and wait
until system sysloads and initializes.