AT&T MERLIN LEGEND Installation & Maintenance Manual page 172

Installation
c. Repeat steps a and b for the other side of the door panel
by sticking the pen into the small hole near the PORT 2
label.
d. Lift off the door and set it aside.
4. Remove the protective cover from the PORT 2 slot (see
Figure 36).
a. Hold the cover (the marked area) for the PORT 2 slot in
one hand and the rest of the rear panel in the other.
b. Gently move the cover back and forth until the cover
separates from the rear panel.
c. Discard the cover.
Install the multipurpose enhancement board (see Figure 37).
5.
a. Holding the enhancement board with the EIA-232D
connector pointed toward the back of the 7500B and with
the component side down, position the board over the
open area of the 7500B.
b. Attach the pigtail connector to the pin between the power
connector and the screw for the EIA-232D connector.
c. Position the board so that its cutouts correspond to the
notches in the plastic housing.
d.
Gently push on the board until it is firmly in place and the
edges of the board rest on the notches in the housing.
6. Close the door panel by hooking the hinges under the front
housing and then snapping the rear tabs into place.
7. Peel off the label indicating the EIA-232D interface from the
enhancement board package and stick it to the rear panel
under the PORT 2 connector.
Plug the D8W cord into the jack labeled LINE.
8.
9. Plug the power supply cord for the 7500B into the connector
labeled POWER.
3-64 Data Adapters