- Seven zone selection keys
- LED indications for zone selection
- Up to eight keypads can be connected together
- EN 54‑16 and EN 60849 compliant

The keypad is an extension to the LBB 1956/00 Plena Voice Alarm Call Station that adds seven additional zoneselect keys. It 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.