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Parameter
Impedance
Tbrl-Impedance
FXS Line Attenuation (Input)
FXS Line Attenuation (Output)
Great Britain
Parameter
Dial Tone
Busy Tone
Ringing Tone
Special Information Tone
Ring
Impedance
Tbrl-impedance
FXS Line Attenuation (Input)
FXS Line Attenuation (Output)
Italy
Parameter
Dial Tone
Busy Tone
Ringing Tone
Special Information Tone
Value
= 220 Ω + 820 Ω // 115 nF
Z
R
= 220 Ω + 820 Ω // 115 nF
Z
N
The following parameters apply if you have selected Great Britain
as location.
Value
350+440 Hz
400 Hz
400+450 Hz
950 Hz
1400 Hz
1800 Hz
62 VRMS, 25 Hz
= 300 Ω + 1000 Ω // 220 nF
Z
R
= 370 Ω + 620 Ω // 310 nF
Z
N
The following parameters apply if you have selected Italy as loca-
tion.
Value
425+350 Hz
425 Hz
425 Hz
950 Hz
1400 Hz
1800 Hz
Appendix B – Country Specific Parameters
On – Off Sequence (s) Elect. Levels
On – Off Sequence (s) Elect. Levels
CONTINUOUS
0.375 – 0.375
0.4 – 0.2 - 0.4 – 2.0 -
0.35 – 0.22 followed by
0.4 – 0.2 - 0.4 – 2.0
0.33
0.33
0.33 – 1.0
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
0 dBr
-7 dBr
-19 dBm
-19 dBm
-19 dBm
-19 dBm
+3 dBr
-9 dBrr
-10 dBm
-13 dBm
-13 dBm
-20 dBm
103
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