Terminal Descriptions - Kenwood NX-3000 Series User Manual

ACC (D-SUB 15 Pin Connector)
Pin No. Name
1 SB
2 IGN
3 SP2/ PA
4 DETO
5 DATAI
6 FNC1/ TXD
7 FNC2/ RXD
8 FNC3
9 FNC4
10 FNC5
11 FNC6
12 50AC
13 HR1
14 HR2
15 GND
Speaker Jack (3.5 mm Phone Jack) 4 W/ 4 K
Pin No. Name
1 SPO
3 GND
DC Input Connector
Pin No. Name
Red B
Black GND
Microphone Jack
Pin No. Name
1 BLC/ D+
2 SB
3 GND
4 PTT/ TXD
5 ME
6 MIC/ VBUS
HOOK/ RXD/
7
D-
8 DM
RF Antenna Terminal
50 K impedance
GPS Antenna Terminal (NX-3720HG/ NX-3820HG only)
50 K impedance

TERMINAL DESCRIPTIONS

I/O
O DC Power (Switched B) Output
I Ignition Signal Input
O Loudspeaker Output/ Public Address Output
O RX Detected Audio Output
I TX Data Input
I/O Programmable/ PC Serial Data from Radio
I/O Programmable/ PC Serial Data to Radio
I/O Programmable
I/O Programmable
I/O Programmable
I/O Programmable
O DC Power Output
I Horn Alert Signal Input
O Horn Alert Signal Output
— Ground
I/O
O External Speaker Output
— Ground
I/O
I DC Power Input
— Ground
I/O
O MIC Backlight Control/ USB Data+
O DC Power (Switched B) Output
— Ground
I/O PTT/ PC Serial Data from Radio
— Mic Ground
I Mic Signal Input/ USB VBUS
I Hook/ PC Serial Data to Radio/ USB Data-
I/O Mic Data Detection
Description
Description
Description
Description
Specification
Max. 2 A
Min. Input: 10.8 V
Max. Input: 16.0 V
4 Ω
240 mVp-p (typ.)
45 kΩ
High Impedance
High Impedance
High Impedance
High Impedance
High Impedance
High Impedance
5 V, Max. 100 mA
Min. Input: 5 V
Max. Input: 16.0 V
Max 2 A
Ground
Specification
4 Ω (Min)
Ground
Specification
13.6 V ±15%
Ground
Specification
Max 200 mA
Ground
High Impedance
Ground
680 Ω
High Impedance
5