CMX625 查看數據表（PDF） - CML Microsystems Plc
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CMX625 Datasheet PDF : 34 Pages
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ISDN TA POTS Interface
ITU-T ‘R1’ Signalling Tones
(Hz)
700+900
700+1100
900+1100
700+1300
900+1300
1100+1300
700+1500
900+1500
1100+1500
1300+1500
700+1700
900+1700
1100+1700
1300+1700
1500+1700
Field 2
(Hex)
$12
$13
$23
$14
$24
$34
$15
$25
$35
$45
$16
$26
$36
$46
$56
ITU-T ‘R2’ Signalling Tones
Forward mode
(Hz)
Off
1380+1500
1380+1620
1500+1620
1380+1740
1500+1740
1620+1740
1380+1860
1500+1860
1620+1860
1740+1860
1380+1980
1500+1980
1620+1980
1740+1980
1860+1980
Field 3
(Hex)
$00
$89
$8A
$9A
$8B
$9B
$AB
$8C
$9C
$AC
$BC
$8D
$9D
$AD
$BD
$CD
CMX625
Backward mode
(Hz)
Off
1140+1020
1140+900
1020+900
1140+780
1020+780
900+780
1140+660
1020+660
900+660
780+660
1140+540
1020+540
900+540
780+540
660+540
Field 3
(Hex)
$00
$65
$64
$54
$63
$53
$43
$62
$52
$42
$32
$61
$51
$41
$31
$21
2001 Consumer Microcircuits Limited
26
D/625/2
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