Specifications

Appendix A - Country Specific Parameters Administration Manual (SIP/MGCP Version)
AT-VP504E FXS 123
North America The following parameters apply if you have selected North America as
location.
Table 65: North America 1 Parameters
Parameter Value On – Off Sequence (s)
Elect. Levels
(Level / Frequency)
Dial Tone 350+440 Hz CONTINUOUS -17 dBm
Busy Tone 440+620 Hz 0.5 – 0.5 -21 dBm
Ringing Tone 440+480 Hz 2.0 – 4.0 -16 dBm
Intercept Tone 440 Hz
620 Hz
0.25 – 0.25
0.25 – 0.25
-14 dBm
Ring 70 VRMS, 20 Hz 2.0 – 4.0
Impedance Z
R
= 600 Ω
Tbrl-Impedance Z
N
= 600 Ω
FXS Line Attenuation (Input) +3 dBr
FXS Line Attenuation (Output) -3 dBr
Table 66: North America 2 Parameters
Parameter Value On – Off Sequence (s)
Elect. Levels
(Level / Frequency)
Dial Tone 350+440 Hz CONTINUOUS -17 dBm
Busy Tone 440+620 Hz 0.5 – 0.5 -21 dBm
Ringing Tone 440+480 Hz 2.0 – 4.0 -16 dBm
Intercept Tone 440 Hz
620 Hz
0.25 – 0.25
0.25 – 0.25
-14 dBm
Ring 70 VRMS, 20 Hz 2.0 – 4.0
Impedance Z
R
= 600 Ω
Tbrl-Impedance Z
N
= 350 Ω + 1000 Ω // 210 nF
FXS Line Attenuation (Input) 0 dBr
FXS Line Attenuation (Output) 0 dBr