Nortel Meridian 1 Manual page 546

36 Set the option switches on the QPC471 Clock Controller card (must be
vintage H or later) as shown in Table 8-12. Set the front panel ENB/DIS
switch to ENB. Place the clock controller card in slot 9.
Table 8-12
QPC471 Clock Controller Card switch settings
Switch
SW1
SW2
SW4
37 Remove the network cards from the CE/PE card cage and reinstall them
in the new Core/Network card cage. Install the cards in slot numbers
indicated in Table 8-13. Notice that although the slot numbers have
changed, the relative positions of the cards in the modules have not.
Table 8-13
Slot number translation for network cards
NT8D11 CE/PE Slot Number
1
2
3
4
5
6
7
8
Upgrade system installation Upgrading to Meridian 1 system options
Meridian 1 option 21 upgrades
1 2
On On
Off Off
Off On
NT5D21 Core/Net Slot Number
8-103
3 4
On On
Off Off
Off Off
0
1
2
3
4
5
6
7