48
Accessories and Adapters
Audio Adapter
Electrical Data of Ports
Port
Connection Values
Microphone,
microphone of second handset,
headset microphone
Electret microphone
Typical sensitivity: 10 mV/Pa
Power feed: I < 300 µA at 1.5 V
Ear cap,
loudspeaker of second handset,
headset, headset loudspeaker
Typical impedance: 150 ± 30 ohms
Typical sensitivity: 94 dB/1 mW (0 dB = 20 µPa)
Active speaker
Max. output voltage: 1 V
rms
at input impedance > 10 kOhms
Recording device audio input
Typical input sensitivity: 0.24 mV
(microphone level)
Recording device start/stop
(relay contact 1)
Max. switching voltage:
50 VDC/29 V AC
Max. switching current: 1 ADC/0.7 A AC
Door display
(relay contact 2)
Max. switching voltage: 50 VDC/29 V
A
C
Max. switching current: 1 ADC/0.7 A AC
Содержание 930 DSL
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