2N Helios Force - Other Electric Parameters

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Parameters Value Conditions
Dial tone detector sensitivity Min. −40 dB 350 to 500
Hz
Busy tone detection speed Variable 350 to 500
Hz
Continuous tone detection speed Variable 350 to 500
Hz
Ringing tone detection speed Variable 350 to 500
Hz
Overvoltage protection – common mode 1000 V 8/20 μs
Overvoltage protection – between A, B
conductors
1000 V 8/20 μs
Other Electric Parameters
Switch – max. voltage: 48 V AC, DC
Switch – min. voltage: 9 V AC, DC
Switch – max. current: 2 A AC, DC
Backlight – rated voltage: 12 V
Backlight – max. voltage: 14 V
Backlight – current consumption: Up to 5 mA
Buttons
Button design:
2N Helios Force
®
: 1 to 4 transparent, white backlit buttons with easily
replaceable name tags
2N Helios Safety
®
: One illuminated, stainless steel pushbutton
Audio
Microphone: 1 integrated microphone
Amplifier: Optional – additional 0,5 W amplifier