Mircom TAS-2000 Series Installation And Operation Manual page 10

SHARED BUILDING ACCESS:
A two building, three 2001 Lobby Unit NSL configuration. Each 2001 Lobby Unit (only one is shown, but there could
actually be more, such as for multi-entrances) uses one Audio Line. Each 2008M NSL Unit (and any 2008/16 NSL
Expanders) connects to three Audio Lines (each has capability for 5 Audio Lines); one Audio Line from the Lobby
Unit(s) in Building #1, one Audio Line from the Lobby Unit(s) in Building #2, and one Audio Line from The Parking
Garage Lobby Unit(s). This setup allow the Lobby Unit(s) to call either building, although while any one NSL Unit is
handling a call, other Lobby Units cannot access that building.
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