IDSI Bosch

Elements of the LSN network

LSN couplers

GENERAL FEATURES

- monitored via LSN line,- Powered from LSN bus- Additional powering for external

equipment- 2 direction FET isolation- surface mounted design

LSN couplers

NAK 100 LSN Branch coupler- to connect a derivation branch to LSN elements- max. 32 detectors or 10 LSN push button on branch (VdS regulation)- device deck contact

INSTALLING OF COUPLERS

LSN couplers

NBK 100 LSN fire coupler- to contact 2 wire conventional detectors to

LSN line, EOLR- Up to 32 detectors or manual call point- built in buzzer

INSTALLING OF COUPLERS

INSTALLING OF COUPLERS

LSN couplers

NSB 100 LSN Control coupler

Consist of a control and monitoring module- 3 variants of connection:

a) Amplification (without acknowledgement)via relay

b) Controlling sounder, strobe (EOLR ordepolarisation)

c) Controlling sprinkler system (with acknowledgement)

LSN couplers

NSB 100 LSN for connecting- Sounder, strobe (monitored)- 4 wire detectors with contact output,- Smoke flaps,- door magnet of fire compartment doors- Special detectors (line smoke detector, flame

detector),- Extinguishing system (control and monitoring)

INSTALLING OF COUPLERS

INSTALLING OF COUPLERS

INSTALLING OF COUPLERS

LSN couplers

NTK 100 LSN panel coupler- up to 8 open collector outputs, - connection LED or relay- up to 100 mA/output- 2 input points (one for tamper and a free

programmable)

INSTALLING OF COUPLERS

LSN couplers

NKK 100 LSN input module- up to 8 surveillance NO or NC contacts- built in buzzer

Elements of the LSN network