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FAX TX Signal
FAX RX Signal
nSHW_FH
3.3V
5V
0
8kHz
0
IC26
2
3
MASK
1
3.3V
nLOS
0
nINT_ISDN
R101
NC
nINT_DSP
R72
NC
3.3V
0
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
J14
NC
(10)
(11)
+3.3V
R131
10K
(12)
IC2
ASIC
(13)
(14)
TP587
C46 2.2u
C47 1u
J45
TP723
C28 0.1u
(15)
NC
C40 0.1u
C41 0.1u
C42 0.1u
C43 0.1u
C44 0.1u
C45 0.1u
C88 0.1u
C89 0.1u
C90 0.1u
J26
C91 0.1u
TP702
NC
C92 0.1u
+3.3V
C93 0.1u
L92
3
1
C94 0.1u
0
FIL10
2
C95 0.1u
C96 0.1u
(16)
DG
(17)
(18)
(19)
CLKOUT
5V
nHW_FH
3.3V
0
0
8kHz
4.096MHz
TP682
TP683
NC
RA37
NC
CLKOUT
3.3V
0
C59
4.096MHz
330p
CLKOUT
3.3V
+3.3V
DG
R95
R142
0
47
R88 10K
47
R91 10K
R92 1K
R143 1K
2.048MHz
R93 1K
R97 1K
R132 1K
FIL12
FIL9
DG
DG
5V
0
3.3V
0
EC_CLK 105
TP607
EC_STOP 103
TP608
R110
47
EC_TRDY 102
R111
TP609
47
EC_PERR 101
TP610
R112
47
EC_FRAME 100
TP611
EC_FRAME
EC_PAR 99
TP612
EC_BE[0] 97
R113
TP613
47
EC_BE[1] 96
TP614
EC_IDSEL 95
TP615
EC_NRST 94
TP616
EC_AD[0] 92
TP617
L63
220
TP654
EC_AD[1] 91
L64
220
TP618
TP655
EC_AD[2] 90
TP619
L65
220
TP656
EC_AD[3] 89
L66
220
TP620
TP657
EC_AD[4] 86
TP621
L67
220
TP658
EC_AD[5] 85
L68
220
TP622
TP659
EC_AD[6] 84
TP623
L69
220
TP660
EC_AD[7] 83
L70
220
TP624
TP661
EC_AD[8] 81
220
TP625
L71
TP662
EC_AD[9] 80
TP626
L72
220
TP663
EC_AD[10] 79
L73
220
TP627
TP664
EC_AD[11] 78
TP628
L74
220
TP665
EC_AD[12] 75
L75
220
TP629
TP666
EC_AD[13] 74
TP630
L76
220
TP667
EC_AD[14] 73
L77
220
TP631
TP668
EC_AD[15] 72
TP632
L78
220
TP670
CT_D[0] 68
L55
TP633
220
TP671
CT_D[1] 67
L56
220
TP634
TP672
CT_D[2] 66
L57
220
TP635
TP673
CT_D[3] 65
TP636
L58
220
TP674
CT_D[4] 62
L59
220
TP637
TP675
CT_D[5] 61
TP638
L60
220
TP676
CT_D[6] 60
L61
220
TP639
TP677
CT_D[7] 59
TP640
L62
220
TP678
EC_INT 71
R105
47
TP641
EC_DET 70
TP642
R106
47
CT_NETREF 57
TP643
TP644
CT_C8_A 56
L81
220
CT_FRAME_A 55
RINGER 54
TP645
R107
10K
MODE[0] 118
TP646
MODE[1] 117
TP647
MODE[2] 116
TP648
MODE[3] 115
TP649
MODE[4] 114
TP650
MODE[5] 113
TP651
R102 1K
VREFMINUS 182
VREFPLUS 181
DG
R103 1K
TP717
+3.3V
R139 10K
TDO 109
TMS 111
TRST 110
TDI 108
TCK 107
TEST1 200
R138
TEST0 169
1K
DG
R140
J38
J37
J39
1K
NC
NC
NC
TP718
TP719
TP720
+3.3V
+3.3V
TP684
R121
RA38
NC
RA39
NC
RA36
NC
EC_CLK
EC_STOP
EC_TRDY
EC_PERR
EC_PAR
EC_BE[0]
EC_BE[1]
EC_IDSEL
EC_nRST
R153
47
EC_AD[0]
R154
47
EC_AD[1]
R155
47
EC_AD[2]
R156
47
EC_AD[3]
R157
47
EC_AD[4]
R158
47
EC_AD[5]
R159
47
EC_AD[6]
R160
47
EC_AD[7]
R161
47
EC_AD[8]
R162
47
EC_AD[9]
R163
47
EC_AD[10]
R164
47
EC_AD[11]
R165
47
EC_AD[12]
R166
47
EC_AD[13]
R167
47
EC_AD[14]
R168
47
EC_AD[15]
R169
47
CT_D[0]
R170
47
CT_D[1]
R171
47
CT_D[2]
R172
47
CT_D[3]
R173
47
CT_D[4]
R174
47
CT_D[5]
R175
47
CT_D[6]
R176
47
CT_D[7]
EC_INT
EC_DET
CT_NETREF
R116
47
CT_C8
CT_FRAME
+3.3V
R117
10K
R151
NC
R118
10K
R119
10K
R120
NC
R152
NC
DG
TP714
TP715
TP716
R141
1K
DG
+3.3V
14
C27
IC26
0.1u
7
IC26
12
11
TP392
13
DG
+15V +15V
+40V
Q13
D
PROTECT
G
IP1
S
R122
10K
125V/5A
DG
P.G
R123 22
EC_CLK
EC_STOP
EC_TRDY
EC_PERR
EC_FRAME
R124 22
EC_PAR
EC_BE[0]
R125 22
EC_BE[1]
R126 22
EC_IDSEL
R127 22
EC_nRST
R128 220
C61
3300p
DG
EC_AD[0]
EC_AD[1]
EC_AD[2]
EC_AD[3]
EC_AD[4]
EC_AD[5]
EC_AD[6]
EC_AD[7]
EC_AD[8]
EC_AD[9]
EC_AD[10]
EC_AD[11]
EC_AD[12]
EC_AD[13]
EC_AD[14]
EC_AD[15]
EC_INT
EC_DET
CT_D[0]
CT_D[1]
CT_D[2]
CT_D[3]
CT_D[4]
CT_D[5]
CT_D[6]
CT_D[7]
R130
CT_NETREF
22
TP679
CT_C8
R129
CT_FRAME
TP680
22
C
CT_LOS
Q12
B
E
DG
+3.3V
TP506
R89
10K
nHALT
R90
nHALT
1K
DG
CN1
A1
+15VPT
B1
3.3V
+15VPT
A2
+40V
0
B2
+15V
A3
GND
8.192MHz
B3
GND
A4
EC_CLK
Normal: 3.3V
B4
EC_nSTOP
A5
GND
3.3V
B5
GND
0
A6
EC_nTRDY
B6
Normal: 3.3V
EC_nPERR
A7
EC_nFRAM
B7
EC_PAR
3.3V
A8
EC_CBE[0]
0
B8
EC_CBE[1]
A9
EC_IDSEL
B9
Normal: 3.3V
EC_nRST
A10
GND
B10
GND
A11
EC_AD[0]
B11
3.3V
EC_AD[1]
A12
EC_AD[2]
B12
EC_AD[3]
0
A13
EC_AD[4]
B13
EC_AD[5]
A14
GND
B14
GND
A15
EC_AD[6]
B15
EC_AD[7]
3.3V
A16
EC_AD[8]
0
B16
EC_AD[9]
A17
EC_AD[10]
B17
EC_AD[11]
A18
GND
B18
RESERVED
A19
EC_AD[12]
3.3V
B19
EC_AD[13]
A20
EC_AD[14]
0
B20
EC_AD[15]
A21
EC_nINT
B21
EC_nCDET
Normal: 3.3V
A22
GND
B22
RESERVED
A23
CT_D[0]
B23
CT_D[1]
A24
CT_D[2]
3.3V
B24
CT_D[3]
0
A25
CT_D[4]
3.3V
B25
CT_D[5]
A26
0
CT_D[6]
B26
CT_D[7]
A27
GND
4.096MHz
B27
RESERVED
A28
CT_NETRE
in the clock master
B28
CT_C8
3.3V
A29
CT_FRAME
B29
0
nLOS
A30
GND
8.192MHz
B30
GND
A31
3.3V
B31
A32
0
B32
A33
8kHz
B33
A34
Normal: 3.3V
B34
A35
B35
A36
B36
A37
B37
A38
B38
A39
RINGER
B39
RING_SYNC
A40
nHALT
Normal: 3.3V
B40
A41
GND
B41
A42
B42
A43
DIAG_R
B43
DIAG_T
A44
RINGER_AC
B44
RINGER_AC
A45
GND
B45
RINGER
GND
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