Terminal Descriptions - Kenwood NX-3000 Serie Guia Del Usuario

Universal connector (NX-3200/ NX-3300)
It is possible to use a resin-based cover for the Universal connector.
Pin No. Name
1 SSW
2 SP+
3 SP-
4 MSW
5 EMC
6 ME
7 PTT
8 PF
9 OPT
10 E
11 5V
12 TXD
13 RXD
14 EMC
Speaker/ Microphone Jacks (NX-3220/ NX-3320)
It is possible to use a resin-based cover for the Speaker/ Microphone
jacks.
No. Name
1 PTT/ RXD
2 MICI
3 NC
4 OPTDET
5 50J
6 AE
7 TXD
8 EXTSPDET External Speaker Detection
9 SPO
Antenna Terminal
50 K impedance
12

TERMINAL DESCRIPTIONS

Description
Ext/ Int Speaker Switch
Input
BTL Output + for External
Speaker
BTL Output – for External
Speaker
Ext/ Int MIC Switch Input
External MIC Input
External MIC GND
External PTT Input
Programmable Function
Button Input
Aux I/O Port (for EXT
Option)
GND
5 V
Serial Data Output
Serial Data Input
External MIC Input
Description
PTT Input/ Serial Data Input
MIC Input
No Connection
Option Detect
5V Output
Audio Earth
Serial Data Output
AF Power Output
Specification
Hi: INT, Low: EXT
Standard load 8 K
Standard load 8 K
Hi: INT, Low: EXT
Impedance: 2.2 kK
−
Low: PTT ON
Input voltage: 0 V - 5.0 V
I: 0 V - 5.0 V
O: Standard load 25 kK
GND
5 V power supply output
Max output current: 140 mA
Baud rate: 1.152 Mbps max
Baud rate: 1.152 Mbps max
Impedance: 2.2 kK
Impedance
2.7 kK
2.2 kK
−
74 kK
−
GND
10 kK
−
−
I/O
I
O
O
I
I
I
I
I/O
O
O
I
I
I/O
I
I
−
I
O
−
O
−
O