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6 CIRCUIT OPERATIONS
6.1. CONNECTION DIAGRAM
+24V
+24V
+24V
GND
GND
GND
+5V
NC
COM
LATCH
STB1
GND
VDD
TH
CLOCK
GND
STR2
SI
COM
A
B
NA
NB
CO
MOTOR
SENSOR
V.LED
G.LED
CLK
GND
GND
GND
ST
SEL
+5V
SIG
CIS
+24V
D-GND
+5VD
+5VA
A-GND
BELL
EX-HOOK
RELAY
PAPER
RX
JACK
JACK
VSS
VDD
VO
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
NC
+5V
FG
OPESE
RS
E
KIN0
KIN1
KIN2
KIN3
KSTAR
KSCLK
KLATC
KTXD
KRXD
DG
NC
POWER SUPPLY
BOAD
THERMAL HEAD
DIGITAL
BOARD
ANALOG
BOARD
OPERATION
PANEL
SPEAKER
HANDSET
LCD
TO TEL LINE
TO EX TEL
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
1
2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
10
9
8
7
6
5
4
3
2
1
6
5
4
3
2
1
CN1
CN102
CN9
TX
HOOK-IN
SP-MUTE
BREAK
DTMF-IMP
P-SHORT
HS-ALC
HS-TX
SP-OUT
HS-RX
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
CN202
CN10
CN3
CN5
CN6
CN7
CN2
CN1
CN3
CN201
CN1
CN2
CN8
CN4
CN101
SP+
SP-
97
KX-FT21RS