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Protocols
Issue 4 May 2002 1-19 555-233-123
Frequency Response
Table 1-8 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 1-9 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.
NOTE:
The following numbers apply only to DCP or BRI station types. They do not
apply to IP stations.
Table 1-8. 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
Table 1-9. 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