Nortel Meridian SL-100 Reference Manual page 34

2-10 Installation procedures
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555-4001-114 Standard 10.02 November 1999
Skip to the MCA installation instructions.
or
If you have the NT2K telephone (date code of April 24, 1998 or later) or NTZK
telephone:
Remove the two screws from the footstand and separate it from the
telephone base. To remove the footstand from the base, press in the back
edge of the footstand as you lift it from the telephone base.
The footstand is not reused. Continue with step 4.
If you have an MPDA installed in the telephone, unplug the data line jack from
the telephone base.
Remove the back covering of the telephone base (four screws).
Remove the power supply board (if installed). If the telephone is equipped with
a power supply board and/or cable, you must remove them before installing the
MCA.
Remove the two screws from the top of the power supply board.
To disconnect the power supply board from the NTZK telephone, grasp the
board firmly on each side and slowly rock it while applying upward
pressure, until it is released from the 2x7 pin connector.
or
To disconnect the power supply board from the NT2K or NT9K telephone
set, lift the board out of the set and disconnect the ribbon cable from the
2x7 pin connector.
Remove the external alerter board (if installed). If the telephone is equipped
with the external alerter board, you must remove it before installing the MCA.
The external alerter board is located inside the telephone base right of center.
Remove the screws from the external alerter interface board.
Grasp the board firmly on each end and pull upward to remove it from the
2x3 pin connector.
Remove the knockout sections in the rear wall of the footstand for the MCA
DB-25 connector and for the power transformer DIN connector. To remove the
knockout sections, use a flat tip screwdriver to push out the plastic pins holding
the knockout in place.
Install the jumper board. If a power supply board was not installed on the NT2K
or NTZK, remove the 2 jumper plugs on the 2x7 pin connector.
Locate the appropriate jumper board to install in the telephone base.
For NTZK sets, install the jumper board with the brown connector (J1) onto the
2x7 pin connector with the screw post facing toward the bottom of the set and
away from the power supply screw post.
or