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6. Remove two NCU PCB mounting screws and release two tabs as shown. Then remove the NCU PCB
from the bottom chassis of the second phone line module.
7. Release four tabs on the Modem PCB. Then remove the Modem PCB.
NCU PCB
Modular PCB
8. Attach the bottom chassis of the AL-200 to the IF-300’s bottom chassis.
10. Re-attach the NCU PCB and the Modem PCB to the bottom chassis.
11. Use the screws to re-attach the four angle plates to the bottom chassis.
12. Plug the connection cable of the OP-150 into the OUT connector on the AL-200’s PCB. And connect
the connection cable from the IF-300 to the IN connector.
