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13
KX-FC228UA-T/KX-FC228RU-T
6 Technical Descriptions
6.1.
Connection Diagram
Power Supply Unit
Operation Panel Board
Digital Board
Analog Board
Document top
Document set
Interface
Board
+24V
+24V
+24V
+24V
+24V
GND
GND
GND
GND
GND
+06V
+04V
Thermal
Head
5
4
3
2
1
CN405
RXE
RM3
RM2
RM1
RM0
Motor
7
6
5
4
3
2
1
8
9
10
11
7
6
5
4
3
2
1
8
9
10
11
COM
DATA
STB2
GND
CLO
CK
TM
+3.3V
GND
STB1
LATCH
COM
CN411
CN404
2
1
MPOS
GND
CN408
7
6
5
4
3
2
1
8
9
10
11
CN402
CN403
7
6
5
4
3
2
1
8
9
10
11
+24V
HEADON
LATCH
STB1
+3.3V
TH_TMP
TH_CLK
STB2
TH_DATA
GND
+6V
+4V
CHARGE
RXE
RM3
RM2
RM1
RM0
MPOS
CIS
7
6
5
4
3
2
1
1
2
3
4
5
6
7
V_LED
G_LED
CLK
DATA
+3.3V
GND
SIG
GND
+05V
KSTART
KLATCH
KRXD
KTXD
KSCLOCK
RESET
MIC
2
1
CN5
CN4
CN14
CN918
MIC
MICAG
Sensor Board
2
1
1
GND
FILMEND
+24V
DG
+05V
BELL
LINERLY
LINETX
LINE_P
PSHORT
CP
C
MONRX
BBRX
MDMRX
CLIPRLY/HSALC
DCN
BREAK
LINE_M
SP(-)
SP(+)
COVEROPEN
PTOP
REED
CN206
CN19
CN18
CN103
CN104
CN101
CN102
TO TEL LINE
TO EXT. TEL
1
2
4
3
2
1
3
2
1
Sensor Board
4
3
2
3
2
1
COVEROPEN
PTOP
REED
GND
SP(+)
SP(-)
SP(-)
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
9
10
11
12
13
14
15
7
6
5
4
3
2
1
8
9
10
11
12
13
14
15
7
6
5
4
3
2
1
6
5
4
3
2
1
8
7
6
5
4
3
2
1
6
5
4
3
2
1
8
CN409
Sensor Board
7
6
5
4
3
2
1
6
5
4
3
2
1
8
7
6
5
4
3
2
1
6
5
4
3
2
1
8
CN105
SP
Cordless
Handset
CN106
7
6
5
4
3
2
1
8
9
10
7
6
5
4
3
2
1
8
9
10
FILM_CHEK
GND
-5V
AG
CN301
CN1001
SW1001
SW1002
SW1003
SW1004
Charger
Board
3
2
1
3
2
1
+06V
GND
2
1
Charge(+)
Charge(-)
Charge T
e
rm
inal
CN526
CN407
CN527
CHARGE
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