10 en | Planning Notes Automatic Detectors LSN improved
2019.11 | 4.0 | F.01U.025.877 Operation Guide Bosch Sicherheitssysteme GmbH
Notice!
Planning should take the anticipated total current and line resistance into account to ensure
each detector has an operating voltage of at least 15VDC.
As soon as an LSN classic device is in a loop or stub, only loop or stub structures can be
used. In this case, T-tapping is no longer possible.
1: Loop 2: 1 or 2 stubs 3: T-tap
4: 1 or 2 stubs and T-taps
mixed
5: Loop and stubs mixed with
T-taps
Tab.2.1: Possible structures in LSN
When configuring the detectors, it is essential to ensure that no mesh structures are created.
Mesh structures within a
stub structure
Mesh structures within a
loop structure
Tab.2.2: Unusable network structures
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