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BOSCH BOSCH lbb1992/00 voice alarm system router
Product Numbers:LBB1992/00
Price:0
Product introduction:BOSCH BOSCH lbb1992/00 voice alarm system router
The LBB 1992/00 voice alarm router is an extension device that can add 6 zones and 12 input contacts to the Plena voice alarm system. It can use the built-in amplifier on the controller of the LBB 1990/00 Plena voice alarm system and provide input and output for the single-channel or two-channel amplifiers of multiple amplifiers. It can use two amplifiers to provide both call and background music dual channel operations to up to six different regions. In addition, a single channel operation can be performed when only one amplifier is used. Multiple routers can also share an amplifier, including an internal amplifier on the controller device. Users can also use any number of amplifiers, up to no more than the number of routers used. This controller supports A/B wiring. The basic function LBB 1992/00 is equipped with a set of relays for switching the power amplifier's output forward zoning to connect to different speaker marshalling. To switch between each region can be in the following passage: ? call channel (calling station selection, all the calls or emergency phone activation), background music channel selection (front panel), closed in addition, also for each area provides a single relay contact volume coverage, to replace local speaker volume control. This ensures that the priority message is broadcast at the specified volume. For example, priority messages can be broadcast even when the local volume control is set to low volume to play background music. Support 3-wire and 4-wire coverage. The call or triggered input activates these contacts for the appropriate area, as well as other voltage-free contacts (effective calls) for control. The 24 VDC output with overload protection provides power to drive external relays without external power supply. The user can choose the main output channel or one of the input channels for monitoring through the headset connector and LED indicator. Controller and indicator front ? meter (LED indicator light, Instructions - power 20, to 6, 0 dB and open), 8 system failure LED lamp, LED lamp line fault, 12 speakers six emergency call regional option buttons, 12 emergency call status of LED lights, six regional background music selector button, six background music area state LED lights on the back, two DIP switch, device ID selector knob, supply voltage, power switch, power socket interconnection on the back, 12 Road speaker output