The Bosch LBB 1957/00 keypad is an extension to the LBB 1956/00 Plena Voice Alarm Call Station that adds seven additional zone-select keys.
The LBB1957/00 has the same stable metal base as the call station. In addition to tabletop use, the special design allows it to be neatly flush-mounted in desktops.
- Seven zone selection keys (6 programmable keys and all call)
- LED indications for zone selection
- Up to eight keypads can be connected together
- EN 60849 compliant
- Emergency, call, power and fault indicators
- Use in conjunction with the LBB1956/00 call station