Microphone station Bosch LBB1956/00

This device is intended for calls to selected zones (one to six and all-call) in a Plena voice alarm systems. The device can be installed both on the surface of the table, and flush. Keypad LBB 1957/00 is an expansion device for adding seven additional keys.

Each call station supports six zone selection. The number of selectable zones or zone groups can be increased by connecting the keyboard extension call station (LBB 1957/00). You can connect up to eight additional keyboards, each of which has seven buttons to select the zones or zone groups. The call station has adjustable gain, speech filter, and limiter for improved intelligibility. The call station has a balanced line output and can be installed at a distance of 1000 meters from the controller, using extension cables CAT-5. Through shielded cable call station can also be used in an EMC level 5 environment (heavy industry).

DIP-switches at the bottom of the station LBB1956/00 are used to select different levels of microphone gain, station ID and the speech filter. Affordable rotary control allows you to set the attenuation level of the microphone. LEDs on the call station show which zones have been selected. Three additional LEDs indicate the active state of the microphone and the system. A flashing green light indicates standby mode (sounds a warning tone). The green LED signals the microphone activity. Amber LED indicates that the system has detected a fault (IEC 80649), and the red LED indicates that the system is in a state of emergency.

Specifications:

• Elegant call station with 6 keys for zone selection, group selection key areas and call button
• Indicators of "emergency", "challenge", "food", "failure"
• Directional condenser microphone on a flexible "neck"
• Adjustable parameters: gain, speech filter and limiter
• It supports up to 8 expanders with 7 programmable keys on each