MX663P Ver la hoja de datos (PDF) - MX-COM Inc
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MX663P Datasheet PDF : 17 Pages
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Call Progress Decoder
8
4.3.7 Decode Output Truth Table
MX663 Preliminary Information
D3 D2 D1 D0 Conditions
0
0
0
0 No Signal
0
0
0
1 Call Progress Dual Tones:
Will detect 350+440, 400+450, 440+480 Hz tones
0
0
1
0 Non Call Progress Signal, e.g. Voice Activity
0
0
1
1 Call Progress Dual Tone including 620Hz Detection:
Will detect 480+620 Hz tones
0
1
0
0 Special Information Tone:
Will detect 950, 1400 and 1800 Hz tones
0
1
0
1 Call Progress Single Tone:
Will detect 400, 425, 440 and 450 Hz tones
0
1
1
0 Will detect a single tone lying outside the Call Progress
Band and within the Non Call Progress signal range
0
1
1
1 Call Progress Single Tone including 620Hz Detection:
Will detect 600 and 620 Hz tones
1
0
0
0 Fax/modem High Tone:
Will detect 2100 and 2200 Hz tones
1
0
0
1 Reserved for future use
1
0
1
0 Reserved for future use
1
0
1
1 Reserved for future use
1
1
0
0 Fax/modem Low Tone:
Will detect 1200 and 1300 Hz tones
1
1
0
1 Reserved for future use
1
1
1
0 Reserved for future use
1
1
1
1 Reserved for future use
Table 3: Decode Truth Table
© 1999 MX-COM Inc.
www.mxcom.com Tele: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480165.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
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