VHF DIGITAL TRANSCEIVER

NX-210

Instruction Manual

Terminal Descriptions

Universal connector

It is possible to use a resin-based cover for the Universal connector.

ENGLISH

NO.

Name

Description

Impedance

I/O

 

 

 

 

 

1

SSW

Ext/Int Speaker Switch Input

High Impedance

I

 

 

 

 

 

2

SP+

BTL Output + for External Speaker

8 Ω/ 16 Ω

O

 

 

 

 

3

SP-

BTL Output - for External Speaker

O

 

 

 

 

 

 

4

MSW

Ext/Int MIC Switch Input

High Impedance

I

 

 

 

 

 

5

EMC

External MIC Input

1.8 kΩ

I

 

 

 

 

 

6

ME

External MIC GND

GND

-

 

 

 

 

 

7

PTT

External PTT Input

High Impedance

I

 

 

 

 

 

8

PF

Programable Function Key Input

High Impedance

I

 

 

 

 

 

9

OPT

Man Down Input

High Impedance

I

 

 

 

 

 

10

E

GND

GND

-

 

 

 

 

 

11

5V

5V power supply output

5V

O

 

 

 

 

 

12

TXD

Serial Data Output

CMOS

O

 

 

 

 

 

13

RXD

Serial Data Input

CMOS

I

 

 

 

 

 

14

NC

Not used

-

-

 

 

 

 

 

Antenna Terminal

50 Ω impedance

Battery Terminal

The battery terminal uses a spring plate.

The negative terminal connects to the chassis ground.

The battery is mounted on the rear side of the transceiver using a sliding mounting method.