Bosch LBB 1925 - Outputs; Relays; Environmental Conditions; General

Bosch Security Systems | 2003-09 | 3922 988 99483en
Plena System Pre-amplifier | Installation and Operating Manual | en | 24
Emergency/telephone input (Screw, balanced)
Sensitivity 100 mV to 1V adjustable
Impedance >10 kOhm
VOX threshold 50 mV
S/N >65 dB
9.1.4 Outputs
Master output (3-pin XLR, balanced)
Nominal level 1V
Impedance <100 Ohm
BGM output (3-pin XLR, balanced)
Nominal level 1 V
Impedance <100 Ohm
Tape output (Cinch, 2x mono)
Nominal level 350 mV
Impedance 3.3 kOhm
Headphone output (6.3-mm jack stereo, signal mono)
Nominal level 3 V
Impedance <100 Ohm
Control
RS232 (9-pin D-sub)
Baud rate 19K2
Trigger inputs (Screw)
Activation contact closure
9.1.5 Relays
Priority relay contacts 100 V, 2 A
Zone output relay contacts 100 V, 2 A
DC supply output voltage 24 V, 250 mA max
9.1.6 Environmental conditions
Operating temperature range -10 to +55°C
Storage temperature range -40 to +70°C
Relative humidity <95%
9.1.7 General
EMC emission acc. to EN 55103-1
EMC immunity acc. to EN 55103-2
Dimensions 100 x 430 x 270 mm (19” wide, 2U high)
Weight approx. 5 kg
19” mounting brackets included
Technical data