Bosch Appliances LBB 1965 manual Technical data, Electrical, Messages, Inputs, Outputs

Plena Message Manager Installation and Operating Manual Technical data

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5Technical data

5.1 Electrical
Mains voltage	230/115 Vac, ±10%, 50/60Hz
Max mains power consumption	50 VA
Max mains inrush current	3 A @ 230 Vac / 6A @ 115 Vac
Battery voltage	24 Vdc, +20%/-10%
Max battery current	1 A

5.2 Messages

Data format	wav-file, 16 bit PCM, mono
Supported sample rates (fs)	24 kHz, 22.050 kHz, 16 kHz, 12 kHz, 11.025 kHz, 8 kHz
Frequency response @ fs = 24 kHz	100	Hz - 11 kHz (+1/-3 dB
@ fs = 22.050 kHz	100	Hz - 10 kHz (+1/-3 dB)
@ fs = 16 kHz	100	Hz - 7.3 kHz (+1/-3 dB)
@ fs = 12 kHz	100	Hz - 5.5 kHz (+1/-3 dB)
@ fs = 11.025 kHz	100	Hz - 5 kHz (+1/-3 dB)
@ fs = 8 kHz	100	Hz - 3.6 kHz (+1/-3 dB)
Distortion	< 0.1% @ 1 kHz
S/N (flat at max volume)	> 80 dB
Memory capacity	8.38 MByte EEPROM
Recording/playback time	500 s @ fs = 8 kHz - 167 s @ fs = 24 kHz
Max number of messages	12
Supervision EEPROM	continuous checksum control
Supervision DAC	1 Hz pilot tone
Data retention time	> 10 years

5.3 Inputs

Loopthrough audio input 1 (3-pin XLR, balanced)

Sensitivity	1 V
Impedance	20 kOhm
CMRR	> 25 dB (50 Hz - 20 kHz)
Loopthrough audio input 2 (Cinch, unbalanced)
Sensitivity	1 V
Impedance	20 kOhm

5.4 Outputs

Supervision pilot tone	20 kHz, ±10%, level adjustable
Line output 1 (3-pin XLR, balanced)
Nominal level	1 V, adjustable
Impedance	< 100 Ohm
Line output 2 (Cinch, unbalanced)
Nominal level	1 V, adjustable
Impedance	< 100 Ohm

Bosch Security Systems 2003-09 9922 141 50502en