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15
KX-HT82480/82470/82460 Series
4.2.1.9.
Surge Protection
4.2.1.10. CID Detection
CID signal is connected to DSP via AC coupling condensers (C942/C943) and detected by DSP.
Function
Specification
FSK Detection
Compliance Standards
ITU-T V.23 (1200bps)
Bell202 (1200bps)
Bell202 (1200bps)
Alart Signal Detection (2130/2750Hz Dual Tone)
DTMF Detection
(697/770/852/941Hz)/(1209/1336/1477/1633Hz)
Stutter Tone Detection 315 - 640Hz (for USA only)
C901A
FG
AL900A
SFG
SFG
R901
D912A
2
1
D911A
2
1
D901A
12
D900A
12
S1
1
2
S2
1
2
*CF900A
+
-
+
-
-
+
-
SIGN6843
REVDET[0]
SIGN7069
DP[0]
BELL[0]
*RL900A
1
2
3
4
C913
*D904A
2
1
R930A
C926A
IC909A
3
2
1
R944A
D910A
+3.3V_DE56_2
C930A
C942A
C935A
C901A
R961B
+3.3V_DE56_2
C908
VH1
R962B
R967A
C912
DG
+3.3V_DE56_2
C950A
DG
C958B
DG
+3.3V_DE56_2
IC909A
5
6
7
DG
R943A
DG
C943B
R909
PC900A
1
23
4
VH1
DG
C904A
C924A
C950B
DG
IC909A
4
VEE
8
VCC
C943A
R911
1
2
3
45
6
7
8
R936A
+3.3V_DE56_1
DG
C921A
C933A
2
1
DG
+15V
DG
DG
+3.3V_
DE56_1
DG
R962A
DG
DG
VH2
C942B
DG
DG
DG
PC903A
1
2
3
4
R920A
DG
C908A
C958A
+3.3V_DE56_2
*R901A
R961A
C952B
+3.3V_DE56_2
R946A
C952A
Q900A
79
S
CL/UCFG1
80
S
DA/UCFG2
81
T
XD/UCFG3
82
3/RXD/CLKE
83
1/SYNCWIN
84
GND5
85
DCIN3/PDN
86
D
CIN1/IBAT
87
VREF
88
MIP
89
MIN
90
C
IN2/MPWR
91
LIN1
92
GNDA
93
HSMIN
94
HSMIP
95
VCCA
96
LIN0
97
LOUT0
76
CAN_OUT3
77
C
A0/BANK0
78
W
M1/BANK2
98
H
SSPOUTP
99
VCCPA
100
SPOUTN
C906A
*C905A
*C907A
D908A
3
1
2
4
TP 13.824MHz
DG
PC902A
1
3
4
6
*C912A
T900A
3
1
6
4
5
*D902A
*D906A
R976B
R977A
R976A
R977B
R981A
VH1
R980A
DG
C960A
*ZNR900A
*C937A
*R908A
*R932A
*C916A
*R938A
*C918A
*R954A
*C928A
*R906A
*R904A
*R948A
C910
*R922A
*R916A
*R934A
*R940A
PC901A
1
2
3
4
C946A
C947A
C946B
C947B
R970A
R971A
R970B
R971B
*C910A
*Q904A
*R900A
R902A
R914A
R918A
R924A
R926A
R928A
R966A
R966B
R967B
R974A
R974B
R975A
R975B
R908
R910
R913
R914
R915
R916
R950A
R956A
Place on solder side
CID Detection
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