66-TYPE HARDWARE
Installing Loudspeaker Paging With Background Music
Requirements
Figures 4-86 and 4-87 show the additional connections required when loudspeaker paging is
installed with background music. Refer to the installation procedures for installing
loudspeaker paging (278A adapter and 89A control unit) and music-on-hold.
Installation Using 278A Adapter
1. Connect music source to M1 and M2 terminals on 278A adapter (see Figure 4-86).
2.
Adjust music source level.
Installation Using 89A Control Unit
1.
Connect music source to CMS1 and CMS2 terminals on 89A Control Unit (see
Figure 4-87).
2.
Adjust music source level.
Figure 4-86. Loudspeaker Paging With Background Music Connections—278A
Adapter
4-134
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