NLLW – návod k obsluze a instalaci
5 Technical parameters
5.1 Elektrical parameters
Parameter Value Conditions
Min line current 18mA Line OFF HOOK
Min line voltage 18V Line ON HOOK
Line voltage when is LLW OFF
HOOK (VA diagram)
< 8V
< 12V
I = 20mA
I = 60 mA
Ground in ON HOOK status < 50uA U = 60V
Impedance line ending
130R +
820R paral. 220n
Line OFF HOOK
Frequency range 300Hz – 3400 Hz 20 - 60mA
Ringing impedance > 2Kohm 25 – 60 Hz
Sensitivity of ringing detection min. 10 – 25 V
Pulse dial 40 / 60 ms
Tone dial level -10 a -8 dBm 20 – 60 mA
Tone dial sensitivity 40 dB 20 – 60 mA
Tone detection sensitivity 30 dB 20 – 60 mA
Powering for relay control 12Vss ± 2V , 10-12Vst ± 2V
Max consumption for relay
powering
50mA 12Vss
Max. voltage of relay contact 48V when I < 1A
Max. current of relay contact 2A when U < 30 V
Operation temperature - 20 to + 50 st
