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Baldwin Boxall 1 Zone Paging Telephone Interface BT5

Baldwin Boxall 1 Zone Intelligent Paging Microphone BDM401

Baldwin Boxall 1 Zone Intelligent Paging Microphone BDM401

Baldwin Boxall 1 Zone Intelligent Paging Microphone BDM401BDM400 microphones for public address and voice alarm systems. The BDM400 range of intelligent paging microphones is designed to provide a wide variety of features to suit any installation. There are six microphones available in the range one-zone to 32-zone.Key FeaturesAvailable in six versions - from one-zone up to 32-zone.Communicate with the main control system via an RS485 link.A standard RJ45 CAT5 network cable is used to carry both audio and serial data.Microphones can be linked together via wall sockets - product code BMS8 and connected to a single input at the control rack.The BDM401 can also be operated as a parallel microphone. This option is selected internally by jumpers. Factory setting is for serial operation.Ergonomic design with all buttons and indicators mounted behind a stylish overlay that allows zone button labels to be inserted and protected.The dynamic cardoid microphone capsule can be set for either monitored or unmonitored use during configuration.Zone status indicators show if a zone is currently selected or in use.All call paging except BDM401.Speak now indicator to show the user when a pre-announcement chime has finished.Simple bar graph display shows the user the current speech volume ensuring a clear announcement is made.Data and DC indicators to show the unit is functioning correctly.Zonal fault indicators are included to show when a fault is evident on the system.Fault accept button.Option to fit flip-top switches to enable DVA digital voice announcement messages to be broadcast.

GBP 596.03
1

Baldwin Boxall Fire Panel Interface BVRDFPI

Baldwin Boxall Control Interface for Universal Zonal Access Switching BVRDCI

Baldwin Boxall Vigil 3 Audio Output Module BV3AOM8

Baldwin Boxall Impedance Monitor BVLAM

Baldwin Boxall Impedance Monitor BVLAM

Baldwin Boxall Impedance Monitor BVLAMThe BVLAM provides 8 zone 100V line relay switching loudspeaker zone selection from 1 amplifier.It incorporates impedance monitoring on all 8 loudspeaker lines when the zone is not selected. If the load increases impedance decreases the appropriate fault LED illuminates steady and if the load decreases impedance increases the fault LED will flash.The impedance changes for a fault to be detected is selected to either 20 or 40 using the mode DIL switch 8. If the impedance falls to approximately 50 of its original value the line is considered to be short circuit and will not be selected to the amplifier.All 8 zone select inputs will access when it is between 2 to 6.5V. An open circuit access input above 15V will be indicated by the appropriate fault LED flashing and a short circuit access input below 2V by the fault LED illuminating steady.Under all fault conditions the OK LED will extinguish and the common fault relay volt-free contacts to change state.Key FeaturesRack-mountable unit 1U high. Two units can be mounted across one rack shelf.Provides eight loudspeaker zone selection from one amplifier.On receipt of a signal from an input ie zone selecting microphone the BVLAM triggers the amplifier to output to the selected zone.An internal relay enables zone switching.The BVLAM provides constant impedance monitoring on each of the eight loudspeaker circuits when not selected.LEDs are used to indicate a drop or increase in impedance - set at either 20 or 40 by DIL switches.Note due to detection accuracy BVLAM is only suitable for BS5839-8 voice alarm systems with less than five speakers per circuit.Access faults on any of the zones from the microphone are indicated by LEDs on the BVLAM.Additional LED indicators are provided to show system healthy and supply healthy.The Baldwin Boxall Impedance Monitor BVLAM provides a combination of zones relay switches from one amplifier. It changes if a fault is detected.

GBP 880.90
1