Allied Telesis AT-VP504E FXS, Administration Manual, Page: 89 / 112

Appendix B - Continent Specific Parameters Administration Manual (H.323 Version)
AT-VP504E FXO 81
Great Britain
Parameters
The following parameters apply if you have selected Great Britain as
location.
Table 35: Germany 2 Parameters
Parameter Value On – Off Sequence (s) Elect. Levels
Dial Tone 425 Hz 0.2 – 0.3, 0.2 – 0.3, 0.2 – 0.8 -13 dBm
Busy Tone 425 Hz 0.17 – 0.43 -13 dBm
Ringing Tone 425 Hz 1.0 – 4.0, 1.0 – 4.0, 1.0 – 4.0 -13 dBm
Ring 75 VRMS, 25 Hz 1 – 4
Impedance Z
R
= 220
Ω
+ 820
Ω
// 115 nF
Tbrl-Impedance Z
N
= 220
Ω
+ 820
Ω
// 115 nF
FXO Line Attenuation (Input) -7 dBr
FXO Line Attenuation (Output) 0 dBr
Table 36: Great Britain Parameters
Parameter Value On – Off Sequence (s) Elect. Levels
Dial Tone 350+440 Hz CONTINUOUS -19 dBm
Busy Tone 400 Hz 0.375 – 0.375 -19 dBm
Ringing Tone 400+450 Hz 0.4 – 0.2, 0.4 – 2.0, 0.35 –
0.22 followed by 0.4 – 0.2,
0.4 – 2.0 -19 dBm
Special Information Tone 950 Hz
1400 Hz
1800 Hz 0.33
0.33
0.33 – 1.0 -19 dBm
Ring 62 VRMS, 25 Hz 1.0 – 4.0
Impedance Z
R
= 300
Ω
+ 1000
Ω
// 220 nF
Tbrl-impedance Z
N
= 370
Ω
+ 620
Ω
// 310 nF
FXO Line Attenuation (Input) -9 dBr
FXO Line Attenuation (Output) +3 dBr