Intel MD566X - Manual (Page 115)

56K V.92 Data, Fax, and Voice Chipset
Programmer’s Guide Intel Confidential 115
$TTnn 00
Tone Test Command: This command outputs the corresponding tones for testing
DTMF, ALB and FAX.
Tone Test:
n = 00 DTMF digit 0 {941, 1336}
n = 01 DTMF digit 1 {697, 1209}
n = 02 DTMF digit 2 {697, 1336}
n = 03 DTMF digit 3 {697, 1477}
n = 04 DTMF digit 4 {770, 1209}
n = 05 DTMF digit 5 {770, 1336}
n = 06 DTMF digit 6 {770, 1477}
n = 07 DTMF digit 7 {852, 1209}
n = 08 DTMF digit 8 {852, 1336}
n = 09 DTMF digit 9 {852, 1477}
n = 0A DTMF digit * {941, 1209}
n = 0B DTMF digit # {941, 1477}
n = 0C DTMF digit A {697, 1633}
n = 0D DTMF digit B {770, 1633}
n = 0E DTMF digit C {852, 1633}
n = 0F DTMF digit D {941, 1633}
n = 10 V.21 chn 1 mark (orig), 980 Hz
n = 11 V.21 chn 2 mark, 1650 Hz
n = 12 V.23 backward chnl mark, 390 Hz
n = 13 V.23 forward chnl mark, 1300 Hz
n = 19 V.21 channel 1 space, 1180 Hz
n = 1A V.21 channel 2 space, 1850 Hz
n = 1B V.23 backward channel space, 450 Hz
n = 1C V.23 forward channel space, 2100 Hz
n = 30 silence
n = 31 V.25 Answer Tone, 2100 Hz
n = 32 Guard Tone (Data/Fax answer mode), 1800 Hz
n = 33 V.25 Calling Tone, 1300 Hz
n = 34 FAX Calling Tone, 1100 Hz
n = 35 Data Answer Tone (Bell mode), 2225 Hz
n = 36 Guard Tone (Data/FAX answer mode), 550 Hz
Table 9-1. Manufacturing-Only Command Descriptions (Continued)