Intel MD566X manual $TTnn

56K V.92 Data, Fax, and Voice Chipset

Table 9-1. Manufacturing-Only Command Descriptions (Continued)

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}
$TTnn	00	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

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