PCI Modem Card User's Manual
72
DTMF SIGNAL LEVEL (dBm)
Hi. G = -8
±
2 dBm
Lo. G = -10
±
2 dBm
M/B RATIO
39
±
3/61
±
4 10 PPS
RETURN LOSS
300Hz ~ 3400Hz
>
10 dB
Carrier Frequency
!
V.34
1800Hz 0.01%
!
V.32bis
1800Hz 0.01%
!
V.32
1800Hz 0.01%
!
V.17
1800Hz 0.01%
!
V.29
1700Hz 0.01%
!
V.27ter
1800Hz 0.01%
!
V.22bis, original mode
1200Hz 0.01%
!
V.22bis, answer mode
2400Hz 0.01%
!
V.22, original mode
1200Hz 0.01%
!
V.22, answer mode
2400Hz 0.01%
!
V.21 channel #1, mark
980Hz 0.01%
!
V.21 channel #1, space
1180Hz 0.01%
!
V.21 channel #2, mark
1650Hz 0.01%
!
V.21 channel #2, space
1850Hz 0.01%
!
Bell 212A, original mode
1200Hz 0.01%
!
Bell 212A, answer mode
2400Hz 0.01%
!
Bell 103, original mark
1270Hz 0.01%
!
Bell 103, original space
1070Hz 0.01%
!
Bell 103, answer mark
2225Hz 0.01%
!
Bell 103, answer space
2025Hz 0.01%