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The simplest NSL configuration
with one 2001 Lobby Unit, a
2008M NSL Unit (and any
2008/16 NSL Expanders) and
optional 2008E Elevator
Restriction Unit.
A two 2001 Lobby Unit NSL
configuration with one 2008M
NSL Unit (and any 2008/16
NSL Expanders), and an
optional 2008E Elevator
Restriction Unit.
NSL CONFIGURATIONS
NSL (No Subscriber Line) operation does not use Bell Phone Lines; rather the 2008M NSL Units (and 2008/16 NSL
Expanders) in electrical/telephone rooms intercept all Resident Bell Phone Lines coming into a building and
communicate directly to them.