90 en | Device Specifications and Overview Easy SeriesF01U087835 | 02 | 2008.10 System Reference Guide Bosch Security Systems, Inc.10.15 wLSN Indoor SirenThe wLSN Indoor Siren provides auxiliary power input terminals are also provided tosupplement battery power when siren use is high.A cover-and-wall tamper switch transmits a tamper signal when the cover is removed from itsbase, or when the unit is pulled away from the wall.An LED provides status for RFSS and Discovery Modes.Specifications868 MHz ISW-BSR1-WX915 MHz ISW-BSR1-WYWire Gauge 0.14 mm to 1.5 mmPower Four AA batteries, 1.5 V alkalineExternal Power Source(optional)12 VDC nominal, 6 VDC to 14 VDCDC+ and DC - TerminalBlocksExternal power source, 12 VDC nominal, 6 VDC to 14 VDCSounder 85 dB at 3 mEN50131-1 Security Grade 2, Environmental Class IIi NOTICE!The external power option is intended to be used as a supplemental (secondary) source ofpower only. Do not operate the Indoor Siren without the batteries.
