Kenwood Appendix, VC-H1 Data Port PIN Functions, Connection Diagram with TS-570 or TS-870

APPENDIX

VC-H1 DATA PORT PIN FUNCTIONS

Pin No.	Pin Name	Function
1	NC	No connection
2	SSDO	Image data output (not usually used)

CONNECTION DIAGRAM WITH TS-570 OR TS-870

Note: Pin 1 of the connector, which mates with the VC-H1 DATA port, can be identified with a triangle mark on the connector. Pin 1 is located just below the mark.

VC-H1 (DATA port)

3	6V	+6 V output (not usually used)
4	DG	Digital signal ground
5	TXD	Serial data transmission
6	RXD	Serial data reception
7	SSPTT	Image data PTT
8	FSSDO	Image data output (Fast FM mode) 1
9	SSDI	Image data input
10	NC	No connection
11	PTT	Audio PTT
12	3MS	+3.5 ~ +6 V input
13	SP	Audio input (0.5 W/ 8 Ω)
14	MIC	Microphone input
15	MSP	Audio input 2
16	G	Ground

1This pin is used for a connection with the DATA connector on a TM-255, TM-455, TM-733, TM-V7, or TM-G707 transceiver.

2This pin is used when AF power is over 0.5 W/ 8 Ω.

TS-570 or TS-870 (ACC 2 connector)

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9 10 11 12

5 6 7 8

1 2 3 4

ACC 2 Connector (Rear panel view)

P1	NC
P2	SSDO
P3	6V
P4	DG
P5	TXD
P6	RXD
P7	SSPTT
P8	FSSDO
P9	SSDI
P10	NC
P11	PTT
P12	3MS
P13	SP
P14	MIC
P15	MSP
P16	G

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