Kenwood TK-5720 manual 2

VHF P25 TRANSCEIVER/

UHF P25 TRANSCEIVER

TK-5720/ TK-5820

Instruction Manual

ENGLISH

Terminal Description

Microphone Jack

Pin NO.	Pin Name	Description	Specification	I/O	Notes
1	BLC	Mic key backlight control	CMOS	O
2	SB	Power Output	13.6 V	O
3	GND	Ground	Ground	–
4	PTT/TXD	PTT Input/Serial Data Output	High Impedance/ CMOS	I/O
5	ME	MIC Ground	Ground	–
6	MIC	MIC Signal Input	600 Ω	I
7	HOOK/RXD	Hook Detection/ Serial Data Input	High Impedance	I
8	DM	MIC Data Detection	High Impedance	I/O
ACC (D-SUB 25 Pin Connector)
Pin NO.	Pin Name	Description	Specification	I/O	Notes
2	RXD1	Serial Data Input	RS-232C compatible	I
3	TXD1	Serial Data Output	RS-232C compatible	O
					input : 0.5 V p-p (Typ.)
5	DI	Data Input	CMOS	I	Data Rate : 9600 bps
					High Impedance
6	MI2	MIC Signal Input	600 Ω	I
7	GND	Ground	Ground	–
9	TXD2	Serial Data Output	TTL	O
10	RXD2	Serial Data Input	TTL	I
11	GND	Ground	Ground	–
18	GND	Ground	Ground	–
25	ME	MIC Ground	Ground	–

Antenna Connector

Impedance is 50 Ω.