Expansion of the microphone station Bosch LBB1957/00

Keyboard LBB1957/00 is a device expansion call station Plena Voice Alarm LBB1956/00 and is used to add seven additional zone selection buttons. The keyboard has the same metal base as the call station. The device can be installed both on the surface of the table, and flush.

Functions

Each call station supports six zone selection. When connecting one of these devices adds seven zones or zone groups, which may be selected. For one transfer station LBB 1956/00 of ads, you can connect up to eight keyboards. LEDs on the LBB1957/00 keyboard indicate the active zones.

Controls and indicators

• Seven zone selection buttons
• Seven LED indicators for zone selection
• Eight DIP-switches

Interconnections

• Two RJ45 connectors
• DC input source 24
• keyboard connector

Specifications:

• Seven zone selection buttons
• LED indications for zone selection
• To call station can connect up to eight keyboards