Technical parameters
5.1
66
5.1 Technical parameters
Electric Parameters
Parameter
Value
Conditions
Minimal off-hook line current
15 mA
Off-hook
Minimal on-hook line voltage
22 V
Off-hook
DC voltage drop (off-hook)
< 8 V
< 16 V
I = 25 mA
I = 50 mA
Off-hook resistance
>1MΩ
U = 25..100 V
Off-hook AC impedance
220 Ω + 820
Ω paral. 115
nF
20 to 60 mA
Return loss
> 14 dB
20 to 60 mA
Bandwidth
300 to 3500
Hz
20 to 60 mA
Ringing impedance
> 2 kΩ
C = 0.47 μF
25 to 50 Hz
Ringing detector sensitivity
10 to 20 V
25 to 50 Hz
Pulse dialing
40 / 60 ms
DTMF dialing level
-9.0 +2.0/-2.5
dB a
-11.0 dB
+2.5/-2.0 dB
20 to 60 mA
Overvoltage protection – between A,
B
1000 V
8 / 20 μs
Notes:
1) Whichever ringing form is accepted.
Switch Parameters
Minimum voltage
9 V
AC or DC
Maximum voltage
24 V
AC or DC
Maximum current
1 A
AC or DC
Resistance – breaking
min. 400 kΩ
Resistance – closing
cca 0,5 Ω
Fuse
resettable
Содержание SingleTalk
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Страница 66: ...65 5 5 Technical parameters This section describes the technical parameters of the product ...
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