Muratec MFX-1600 Field Engineering Manual page 189

5. Remove the ground wire mounting screw on the Second phone line module. Then remove the ground
wire.
Note: Keep the ground wire to re-attach it in step 13.
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.
8. Use four screws included with the module to attach the bottom chassis to the rear cover.
NCU PCB
Modular PCB
6-9