Technical Parameters - Axis 2N Analog Force Installation Manual

4. Technical Parameters

Telephone Parameters
Parameters
Minimum required off-hook line current
Minimum required on-hook line voltage
DC voltage drop (off-hook)
Lead current while hang-up
Off-hook AC impedance
Return loss
Bandwidth
Ringing impedance
Ringing detector sensitivity
Time of response to ringing
Pulse dialling
DTMF level
DTMF detector sensitivity
2N TELEKOMUNIKACE a.s., www.2n.cz
Value
15 mA
20 V
< 8 V < 16 V
< 25 μA
220 Ω + 820 Ω 115 nF parallel
> 10 dB
300 to 3500 Hz
> 2 kΩC = 1 μF
10 to 20 V
Variable
40/60 ms
−6 and −8 dB± 2 dB
Min. −40 dB
Conditions
Off-hook
Hang-up
I = 25 mA
I = 50 mA
U = 60 V
20 to 60 mA
20 to 60 mA
20 to 60 mA
25 to 50 Hz
25 to 50 Hz
20 to 60 mA
20 to 60 mA
20 to 60 mA
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