2N Helios Force Installation Manual page 65

Parameters
Dial tone detector sensitivity
Busy tone detection speed
Continuous tone detection speed
Ringing tone detection speed
Overvoltage protection – common mode
Overvoltage protection – between A, B
conductors
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
replaceable name tags
®
2N Helios Safety
Audio
Microphone: 1 integrated microphone
Amplifier: Optional – additional 0,5 W amplifier
2N TELEKOMUNIKACE a.s., www.2n.cz
Value
Min. −40 dB
Variable
Variable
Variable
1000 V
1000 V
: 1 to 4 transparent, white backlit buttons with easily
: One illuminated, stainless steel pushbutton
Conditions
350 to 500
Hz
350 to 500
Hz
350 to 500
Hz
350 to 500
Hz
8/20 μs
8/20 μs
65/72