LBB 1957 / 00 call station keyboard is an extension

 component of LBB 1956 / 00 plena voice alarm system. Seven additional area selection keys can be added. It has the same stable metal base as the call station. The design of the call station is novel. It not only supports desktop installation, but also can be embedded in the table. Basic functions each call station supports 6 area selection. After connecting any of the keyboards, you can add 7 zones or area groups (optional). Each LBB 1956 / 00 call station can add up to 8 keyboards. The LED on the keyboard indicates the active area. Controller and indicator light · 7 area selection keys · 7 area selection led indicator lights · 8 dip switches interconnected · 2 RJ45 sockets · 24 VDC input · keyboard connector certificate and approved safety in accordance with en 60065 standard immunity in accordance with en 55103-2 standard radiation in accordance with en 55103-1 regional certification European CE declaration of conformity accessories quantity component 1 LBB 1957 / 00 calling station keyboard technical specifications electrical power supply voltage range LBB 1956 / 00 provides 24 VDC current consumption < 15 mA mechanical base size 40 x 100 x 235 mm (1.57 x 3.97 x 9.25 in.) weight approximately 1 kg mounting bracket for use with LBB 1956 / 00 or other LBB 1957 / 00 colors carbon black and silver white

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