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2011-02 | Installation and User Instructions | 5 | Call Stations
en | 245
table 21.8: X107 technical data
PTT input contact
Resistance detection (supervision enabled):
Cable short circuit
< 2.5 kohm
Contact closed
7.5 kohm to12 kohm
Contact open
17.5 kohm to 22 kohm
Cable broken
> 27 kohm
Resistance detection (supervision disabled):
Contact closed
< 12 kohm
Contact open
> 17.5 kohm
Current (PTT input):
0.5 mA
Voltage (PTT input):
3.3 V
Internal output supply current:
max. 10 mA (per pin)
max. 30 mA
(in total max. 3 LEDs are simultaneously on)
Output type:
open collector/drain
Output voltage:
max. 56 V (per pin)
Output sink current:
max. 100 mA per output switch pin
Bosch Security Systems | 2011-02
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