Panasonic KX-FT21RS manual Connection Diagram

6 CIRCUIT OPERATIONS

6.1.CONNECTION DIAGRAM

KX-FT21RS

		+24V	CN1
SUPPLYPOWER BOAD	1		1
		+24V
	2		2
		+24V
	3		3
		GND
	4		4
		GND
	5		5
		GND
	6		6
		+5V
	7		7
		NC
	8		8
		COM	CN4
	1		1
		LATCH
	2		2
		STB1
	3		3
		GND
HEAD	4		4
		VDD
	5		5
		TH
THERMAL	4		6
			9
	1	CLOCK	7
	2	GND	8
	3
		STR2
	5	SI	10
		COM
	6		11
		A	CN3
			1
		B
			2
MOTOR		NA
			3
		NB	4
		CO
			5
			CN5
SENSOR			1
			2
		V.LED	CN8
1			1
		G.LED
2			2
		CLK
3			3
		GND
4			4
		ST
5			5
		GND
CIS 6			6
7		SEL	7
		+5V
8			8
		GND
9			9
		SIG
10			10

DIGITAL BOARD

CN9

1

2

3

4

5

6

7

8

9

10

CN10

1

2

3

4

5

6

7

8

9

10

CN7

1

2

3

4

5

6

7

8

9

10

11

CN6

1

2

3

4

5

6

+24V

D-GND

+5VD

+5VA A-GND BELL EX-HOOK RELAY PAPER RX

TX

HOOK-IN

SP-MUTE

BREAK

DTMF-IMP

P-SHORT

HS-ALC

HS-TX

SP-OUT

HS-RX

NC +5V FG OPESE RS

E

KIN0

KIN1

KIN2

KIN3

KSTAR

KSCLK

KLATC

KTXD

KRXD

DG

NC

CN102

1

2

3

4

5

6

7

8

9

10

CN202

1

2

3

4

5

6

7

8

9

10

CN1

11

10

9

8

7

6

5

4

3

2

1

CN2

6

5

4

3

2

1

CN1 JACK

CN2 JACK

ANALOG

BOARD

CN201

CN101

1

2

CN3

	1
	2
	3
	4
	5
	6
	7
OPERATION	8
	PANEL
	9

10

11

12

13

14

TO TEL LINE

TO EX TEL

HANDSET

SPEAKER SP+

SP-

VSS

VDD

VO

RS

R/W

E

DB0

DB1 LCD DB2

DB3

DB4

DB5

DB6

DB7

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