Lucent Technologies MERLIN Plus Release 2 System Manual page 309

CONSIDERATIONS
6-18 Accessory Equipment
FIGURE 6-9 Loudspeaker Paging System connected to a CO Line on a Line
Module.
MERLIN Plus
Considerations for the Page Jack connection:
The loudness of the loudspeaker paging system is controlled by the loudspeaker
paging system only.
To cent.ml the loudness of the background music throughout the building, or to
turn off the background music, the system administrator can dial a code at the
administrator/attendant console for the preferred volume. Background music
volume can also be controlled at the music source. The following are the jack
pin-out specifications for the loudspeaker paging system. Pin numbers from left
to right ( 1 through 8) are:
4,5 for voice
3,6 for contact closure
1,2,7,8 are unused
control unit
Loudspeaker
paging system