Pin
Pin Name
Buffer Power supply
5V Tolerant
Signal Name
I/O
Description
26
IRDATXD/IOP81
3.3V
YES
OPEN
O Not used
27
IRDARXD/IOP80
3.3V
YES
OPEN
O Not used
28
TXD/IOP30
3.3V
YES
BREAK
O TEL Line Break Control
29
RXD/IOP31
3.3V
YES
H/S ALC
I
Not used (Hardware Control)
30
XRTS/IOP32
3.3V
YES
DTMF IMP
O DTMF-IMP Control
31
XCTS/IOP33
3.3V
YES
P-SHORT
O P-SHORT Control
32
XDSR/IOP34
3.3V
YES
OPEN
O Not used
33
DCD/IOP35
3.3V
YES
OPEN
O Not used
34
XDTR/IOP36
3.3V
YES
OPEN
O Not used
35
RI/CLK/IOP37
3.3V
YES
OPEN
O Not used
36
IOP90
3.3V
YES
OPEN
O Not used
37
IOP91
3.3V
YES
OPEN
O Not used
38
VSS
DG
Ground
39
IOP92
3.3V
YES
OPEN
O Not used
40
IOP93
3.3V
YES
OPEN
O Not used
41
IOP94
3.3V
YES
OPEN
O Not used
42
IOP95
3.3V
YES
OPEN
O Not used
43
3.3V
+3.3V
Power supply
44
FMEMCS/IOP27
3.3V
YES
OPEN
O Not used
45
FMEMDO/IOP26
3.3V
YES
I
Not used
46
FMEMDI/IOP25
3.3V
YES
O Not used
47
FMEMCLK/IOP24
3.3V
YES
TELRXENB
I/O Telephone RX root control
48
CBUSY2
3.3V
-
OPEN
Not used
49
CSO/OP70
3.3V
-
OPEN
Not used
50
CBUSY1
3.3V
YES
OPEN
Not used
51
CCLK
3.3V
YES
OPEN
Not used
52
CSI
3.3V
YES
OPEN
Not used
53
MIDAT/IOP45
MULT3/5
YES
MTXENB
O Modem TX route control
54
MICLK/IOP46
MULT3/5
YES
MOMRXENB
O Modem RX route control
55
MILAT/IOP47
MULT3/5
YES
H/SRXENB
O Handset RX route control
56
RVN
3.3V
YES
BELL
Bell signal detection
57
CPC
3.3V
YES
PAPER
Recording paper detection
58
TONE1
3.3V
-
TONE1
Not used
59
TONE2
3.3V
-
TONE2
Tone2 (bell alarm key tone)
60
VSS
DG
Ground
61
3.3V
+3.3V
Power supply
62
EVOLIN
(3.3V)
-
EVOL IN
Electronic volume (handset monitor)
63
EVOLOUT
(3.3V)
-
EVOL OUT
Electronic volume (handset monitor)
64
EVOLREF
(3.3V)
-
EVOL REF
Electronic volume (handset monitor)
65
VSS
DG
Ground
66
IOP57
3.3V
YES
EX-HOOK
O Not used
67
XMDMINT
3.3V
YES
XINTMDM
Modem interrupt
68
XINTMDM
3.3V
-
XMDMINT
Modem INT output/general output
69
XNMI/XINT
3.3V
YES
XNMI
NMI
70
EYECKO
MULT3/5
NO
EYECKO
Modem AFE connection (APDMCK)
71
APDMDT
3.3V
YES
APDMDT
Modem AFE connection
72
C3
MULT3/5
NO
C3
Modem AFE connection
73
C4
MULT3/5
NO
C4
Modem AFE connection
74
C5
MULT3/5
NO
C5
Modem AFE connection
75
MULT3/5
+5V
Power supply
76
DPDMDT
MULT3/5
NO
DPDMDT
Modem AFE connection
77
DPDMCK
MULT3/5
NO
DPDMCK
Modem AFE connection
78
MUTE
MULT3/5
NO
MUTE
Modem AFE connection
79
XEYESYC
MULT3/5
NO
XEYESYC
Modem eye pattern EYESYNC
80
EYEDAT
MULT3/5
NO
EYEDAT
Modem eye pattern EYEDAT
81
XRESETD
MULT3/5
NO
XRESETD
Modem AFE connection
82
CPUCK
3.3V
-
CPUCK
CPU clock (6MHz) output
83
XHOLDAK
3.3V
-
OPEN
Not used
84
XWAIT/IP60
3.3V
YES
HOOK
Hook detection
85
XHOLD/IP61
3.3V
YES
PULL DOWN
Not used
86
XHSTRD/IOP40
3.3V
YES
H/S MUTE
O Handset TX mute
87
VSS
DG
Ground
88
XINMDM
3.3V
NO
20.736MHz crystal oscillator buffer
89
XOUTMDM
3.3V
-
20.736MHz crystal oscillator buffer
90
TEST1
3.3V
NO
+3.3V
Test pin. fixed High
91
TEST2
3.3V
NO
+3.3V
Test pin. fixed High
92
XTEST
3.3V
-
XTEST
24MHz clock output
102
KX-FT21RS
Содержание KX-FT21RS
Страница 8: ...1 10 CCITT No 1 TEST CHART 8 KX FT21RS ...
Страница 9: ...1 11 LOCATION OF CONTROLS 1 11 1 OVERVIEW 1 11 2 CONTROL PANEL 9 KX FT21RS ...
Страница 15: ...1 14 2 1 MAINTENANCE LIST 1 14 2 2 MAINTENANCE CYCLE 15 KX FT21RS ...
Страница 22: ...2 3 3 Simple Check List 22 KX FT21RS ...
Страница 23: ...2 3 4 TROUBLESHOOTING ITEMS TABLE 23 KX FT21RS ...
Страница 24: ...2 3 4 1 ADF Auto Document Feed Section 1 No document feed 24 KX FT21RS ...
Страница 25: ...2 Paper JAM 25 KX FT21RS ...
Страница 27: ...4 Skew 27 KX FT21RS ...
Страница 28: ...5 Image is distorted When printing 28 KX FT21RS ...
Страница 29: ...6 Black or white vertical lines appear 7 Skewed receiving image 29 KX FT21RS ...
Страница 31: ...31 KX FT21RS ...
Страница 33: ...2 3 4 2 1 Defective facsimile section 1 Transmit problem 33 KX FT21RS ...
Страница 34: ...2 Sometimes there is a transmit problem 34 KX FT21RS ...
Страница 36: ...4 The unit can copy but cannot transmit receive 36 KX FT21RS ...
Страница 40: ...7 How to output the Journal Report 40 KX FT21RS ...
Страница 42: ...Countermeasure 42 KX FT21RS ...
Страница 43: ...43 KX FT21RS ...
Страница 44: ...44 KX FT21RS ...
Страница 45: ...45 KX FT21RS ...
Страница 46: ...46 KX FT21RS ...
Страница 47: ...47 KX FT21RS ...
Страница 48: ...48 KX FT21RS ...
Страница 49: ...49 KX FT21RS ...
Страница 51: ...1 Entering the remote programming mode and changing service codes 51 KX FT21RS ...
Страница 57: ...Normal Wave Patterns 57 KX FT21RS ...
Страница 60: ...60 KX FT21RS ...
Страница 61: ...NG Example 61 KX FT21RS ...
Страница 64: ...1 Defective ITS Integrated Telephone System Section 64 KX FT21RS ...
Страница 66: ...2 Troubleshooting Flow Chart 66 KX FT21RS ...
Страница 67: ...67 KX FT21RS ...
Страница 69: ...2 3 4 6 Operation Board Section 1 No key operation 2 No LCD indication 69 KX FT21RS ...
Страница 71: ...2 3 4 8 Read Section Refer to 6 4 4 SCANNING BLOCK 71 KX FT21RS ...
Страница 72: ...72 KX FT21RS ...
Страница 73: ...2 3 4 9 Thermal Head Section Refer to 6 4 3 THERMAL HEAD 73 KX FT21RS ...
Страница 78: ...2 4 6 OTHER 78 KX FT21RS ...
Страница 79: ...2 5 TEST FUNCTIONS 79 KX FT21RS ...
Страница 82: ...2 6 1 PRINTOUT EXAMPLE 82 KX FT21RS ...
Страница 84: ...4 DISASSEMBLY INSTRUCTIONS 84 KX FT21RS ...
Страница 85: ...85 KX FT21RS ...
Страница 86: ...86 KX FT21RS ...
Страница 87: ...87 KX FT21RS ...
Страница 88: ...88 KX FT21RS ...
Страница 89: ...89 KX FT21RS ...
Страница 90: ...90 KX FT21RS ...
Страница 91: ...91 KX FT21RS ...
Страница 92: ...92 KX FT21RS ...
Страница 93: ...93 KX FT21RS ...
Страница 94: ...94 KX FT21RS ...
Страница 96: ...5 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 5 4 BRIDGE MODIFICATION PROCEDURE 96 KX FT21RS ...
Страница 112: ...112 KX FT21RS ...
Страница 117: ...6 4 6 3 2 Scanning 6 4 6 3 3 Printing Note See 6 5 SENSERS AND SWITCHES 117 KX FT21RS ...
Страница 118: ...6 4 6 3 4 Copying 118 KX FT21RS ...
Страница 127: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 127 KX FT21RS ...
Страница 151: ...10 TERMINAL GUIDE OF THE IC S TRANSISTORS AND DIODES 151 KX FT21RS ...
Страница 152: ...11 FIXTURES AND TOOLS 152 KX FT21RS ...
Страница 153: ...12 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 12 1 OPERATION PANEL SECTION 153 KX FT21RS ...
Страница 154: ...12 2 UPPER CABINET SECTION 154 KX FT21RS ...
Страница 155: ...12 3 LOWER CABINET P C B SECTION 155 KX FT21RS ...
Страница 157: ...12 5 ACTUAL SIZE OF SCREWS AND WASHER 157 KX FT21RS ...
Страница 158: ...13 ACCESSORIES AND PACKING MATERIALS 158 KX FT21RS ...