AT&T MERLIN LEGEND Release 3.1 Installation Manual page 125

Installing Direct Station Selectors
b Connect one end of the D6AP cord to the 2-conductor (small) modular jack
on the 400B or 400B2 adapter, and plug the other end of the D6AP cord
into the modular jack of the 406943837 or 406743419 power supply.
!
CAUTION:
Do not plug the D6AP cord into the 8-conductor (large) modular jack of
the 400B or 400B2 adapter. Doing so can cause electrical damage to
the control unit and to the telephone.
c Insert the plug end of the 400B or 400B2 adapter into the wall jack.
d Plug the power supply into a 117-V AC outlet.
9 Label the DSS designation cards.
a Pull the tab at the top of the large plastic cover and rotate the cover
towards you.
b Remove the cover and the large designation card.
c Write or type the button assignments on the card. (For DSS1, use the side
that is labeled 00–49 ; for DSS2, use the side labeled 50–99 .)
The button assignments on the designation card should be by dial plan
extension number, not by logical ID port number.
d Replace the card and the plastic cover; make sure the coated side of the
cover is facing up.
e Repeat this step to remove the small plastic cover and to label the small
designation card.
NOTE:
If the MLX telephone attached to the DSS is unplugged from the control unit
and then plugged in again, the display on the telephone may disappear.
Press the Home button to bring back the display.
Installing Telephones and Adjuncts
3–47