The table lists the analog-to-analog frequency response for station-to-station or station-to-CO trunk, relative to loss at 1 kHz for the United States.
Table 1: Analog-to-analog frequency response
Frequency (Hz) |
Maximum loss (dB) |
Minimum loss (dB) |
60 |
– |
20 |
200 |
5 |
0 |
300 to 3000 |
1 |
-0.5 |
3200 |
1.5 |
-0.5 |
3400 |
3 |
0 |
The table lists the analog-to-digital frequency response of the system for station or CO-trunk-to-digital interface (DS0), relative to loss at 1 kHz for the United States.
Table 2: Analog-to-digital frequency response
Frequency (Hz) |
Maximum loss (dB) |
Minimum loss (dB) |
60 |
– |
20 |
200 |
3 |
0 |
300 to 3000 |
0.5 |
-0.25 |
3200 |
0.75 |
-0.25 |
3400 |
1.5 |
0 |
