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Parameter
Ring
Impedance
Tbrl-impedance
FXS Line Attenuation (Input)
FXS Line Attenuation (Output)
Europe
Parameter
Dial Tone
Busy Tone
Ringing Tone
Special Information Tone
Ring
Impedance
Tbrl-Impedance
FXS Line Attenuation (Input)
FXS Line Attenuation (Output)
Value
70 VRMS, 25 Hz
= 220 Ω + 820 Ω // 115 nF
Z
R
= 220 Ω + 820 Ω // 115 nF
Z
N
The following parameters apply if you have selected Europe as lo-
cation.
Value
425 Hz
425 Hz
425 Hz
950 Hz
1400 Hz
1800 Hz
AC: 4565 VRMS, 25 Hz
DC: 15 Vdc
= 270 Ω + 750 Ω // 150 nF
Z
R
=270 Ω + 750 Ω // 150 nF
Z
N
Appendix B – Country Specific Parameters
On – Off Sequence (s) Elect. Levels
1.0 – 4.0
On – Off Sequence (s) Elect. Levels
CONTINUOUS
0.5 – 0.5
1.0 – 4.0
0.33
0.33
0.33 – 1.0
1.0 – 4.0
-0 dBr
-6.5 dBr
-14 dBm
-14 dBm
-14 dBm
-20 dBm
0 dBr
-7 dBr
106
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