Nortel Networks M3110 - Manual (Page 405)

Appendix C: Meridian Modular Telephones add-on modules installation Page 405 of 504
Telephones and Consoles Description, Installation, and Operation
Procedure 73
Installing and removing the M2616/M2216ACD
Display on NTZK sets
1 Remove the handset and place the telephone upside down on top of a
level, solid work surface covered with soft material or paper to prevent
damage to movable keys and the telephone face.
2 Disconnect all cords from the telephone.
3 Remove the two screws from the footstand assembly and unsnap the
footstand assembly by pressing inward at the back of the footstand where
it meets the base and pulling upward.
4 If the telephone is equipped with an MPDA or MCA, unplug the data cable
from the base telephone jack. Remove the five screws securing the base
to the telephone. Remove the base and set it aside.
5 If the telephone is not equipped with a display, go to step 9. If the
telephone is equipped with a display, go to step 6.
Removing the display board
6 The display board is located at the left center of the telephone. Disconnect
the display ribbon cable from the display board. Remove the small
mounting screw from the board. Grasp the board firmly on each end and
pull upward to remove it. To replace it, go to step 9.
Removing the display
7 The power supply board is located on the left side of the telephone.
Remove the two small screws from the power supply board (near the top)
and set them aside. Grasp the board firmly on each side. Carefully work
the board loose until released.
8 Remove the two or three screws from the display Module. Remove the
display from the telephone. To install the display, go to step 11.
CAUTION WITH ESDS DEVICES
Before handling internal components of telephones,
discharge static electricity from hands and tools by
touching any grounded metal surface or conductor.