Technical Parameters - Axis 2n SingleTalk User Manual

5. Technical parameters

Electric Parameters
Parameter
Minimal off-hook line current
Minimal on-hook line voltage
DC voltage drop (off-hook)
Off-hook resistance
Off-hook AC impedance
Return loss
Bandwidth
Ringing impedance
Ringing detector sensitivity
Pulse dialing
DTMF dialing level
Overvoltage protection – between A,
B
2N TELEKOMUNIKACE a.s., www.2n.cz
Value
15 mA
22 V
< 8 V< 16 V
>1MΩ
220 Ω + 820 Ω paral. 115 nF
> 14 dB
300 to 3500 Hz
> 2 kΩC = 0.47 μF
10 to 20 V
40 / 60 ms
-9.0 +2.0/-2.5 dB a -11.0 dB +2.5/-2.0 dB
1000 V
Conditions
Off-hook
Off-hook
I = 25 mA
I = 50 mA
U = 25..100 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
8 / 20 μs
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