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Tk-7150, Terminal function – Kenwood TK-7150 User Manual

Page 55

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TK-7150

67

TERMINAL FUNCTION

Pin No.

Name

Description

11

PTOA

PTT signal output. “L” : PTT on, “H” : PTT off

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

12

DETO

Detected signal output. DC coupled. Zo ≤ 100Ω

Wide : 0.8Vp-p typ., Narrow : 0.7Vp-p typ.

(Standard modulation)

13

NC

Non connection.

14

NC

Non connection.

CN701 (To voice scrambler)

1

TXI

MIC signal input (Capacitor-coupled). Zin = 100kΩ

2

TXO

MIC signal output (Capacitor-coupled). Zo = 1kΩ

Wide : 85mVp-p typ., Narrow : 85mVp-p typ.

(Standard modulation)

3

RXI

Audio signal input (Capacitor-coupled). Zin = 27kΩ

Wide : 1.3Vp-p typ., Narrow : 1.1Vp-p typ.

(Standard modulation)

4

AC

Scrambler control signal output. “L” : On, “H” : Off

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

5

BC1

Scrambler code signal output 1.

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

6

BC2

Scrambler code signal output 2.

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

7

BC3

Scrambler code signal output 3.

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

8

BC4

Scrambler code signal output 4.

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

9

NC

Non connection.

10

NC

Non connection.

11

RXO

Audio signal output. DC coupled. Zo ≤ 100Ω

Wide : 1.3Vp-p typ., Narrow : 1.1Vp-p typ.

(Standard modulation)

12

PTOS

TX signal output. “L” : TX, “H” : Not TX

L ≤ 0.05V, H ≥ 4.6V/30kΩ load

13

8C

8V. (CN700 No.10 + CN701 No.13 = 100mA Max.)

14

E

Ground.

CN703 (To Display unit A/2)

1

ME

MIC ground.

2

MIC

MIC signal input.

3

E

Ground.

4

RESET

Reset signal output.

5

TXD

Serial data output.

Pin No.

Name

Description

6

RXD

Serial data input.

7

E

Ground.

8

PSW

Power switch control signal input.

9

SB

Power output after power switch (13.6V±15%).

10

IRS

BTL output for remote speaker output.

11

ES2

BTL output for remote speaker output.

CN704 (To ACC 6-pin connector)

1

IRS

Remote speaker switch.

2

ES1

BTL output for external speaker A.

3

ES2

BTL output for external speaker A.

4

OS1

BTL output for external speaker B (PA).

5

OS2

BTL output for external speaker B (PA).

6

IGN

Ignition sense input.

J700 (ACC 25-pin)

1

NC

Non connection.

2

RXD2 *

Serial data input 2. RS-232C level. Input voltage

range = ± 30V max. L ≤ 0.4V, H ≥ 2.4V. Zi ≥ 5kΩ

3

TXD2 *

Serial data output 2. RS-232C level.

L ≤ –5V, H ≥ 5V/3kΩ load. Zo ≤ 2kΩ

4

AO3

Auxiliary output 3 (Programmable). Active low

open collector (100mA max.) (Default none).

L ≤ 0.3V

5

DI

Data signal input (Capacitor-coupled).

6

MI2

External MIC input (Capacitor-coupled).

7

E

Ground.

8

AO2

Auxiliary output 2 (Programmable). Active low

with 10kΩ pull-up to 5V (100mA max.) (Default

none). L ≤ 0.3V, H ≥ 4.8V

9

TXD3 **

Serial data output 3.

L ≤ 0.7V, H ≥ 4.2V/25kΩ load. Zo ≤ 1kΩ

10

RXD3 **

Serial data input 3.

Input voltage range = +5/0 max. L ≤ 0.8V, H ≥ 4.2V.

11

E

Ground.

12

AI4

Auxiliary input 4 (Programmable). Active low

with 47kΩ pull-up to 5V (Default none).

L ≤ 0.8V, H ≥ 2.5V

13

AI2

Auxiliary input 2 (Programmable). Active low

with 47kΩ pull-up to 5V (Default none).

L ≤ 0.8V, H ≥ 2.5V