Kenwood NEXEDGE NX-720 Series Instruction Manual page 3

Terminal Descriptions
ACC (D-SUB 15 Pin Connector)
Pin No. Name I/O
1 SB O
2 IGN I
3 SP2 O
4 DETO O
5 DATAI I
6 FNC1/ TXD I/O
7 FNC1/ RXD I/O
8 FNC3 I/O
9 FNC4 I/O
10 FNC5 I/O
11 FNC6 I/O
12 50MC O
13 HR1 O
14 HR2 O
15 GND —
Speaker Jack (3.5 mm Phone Jack) 4 W/ 4 Ω
Pin No. Name I/O
1 SPO O
3 GND —
DC Input Connector
Pin No. Name I/O
Red B I
Black GND I
Microphone Jack
Pin No. Name I/O
1 BLC O
2 SB O
3 GND —
4 PTT/ TXD I/O
5 ME —
6 MIC I
7 HOOK/ RXD I
8 DM I/O
Antenna Terminal
50 Ω impedance
GPS Terminal <GPS model olny>
50 Ω impedance
Description
DC Power (Switched B) Output
Igintion Signal Input
Loudspeaker Output
RX Detected Audio Output
TX Data Input
Programmable/ PC Serial Data from Radio
Programmable/ PC Serial Data to Radio
Programmable
Programmable
Programmable
Programmable
DC Power Output
Horn Alert Signal Output
Horn Alert Signal Output
Ground
Description
External Speaker Output
Ground
Description
DC Power Input
Ground
Description
Backlight Control
DC Power (Switched B) Output
Ground
PTT/ PC Serial Data from Radio
Mic Ground
Mic Signal Input
Hook/ PC Serial Data to Radio
Mic Data Detection
Specification
13.6 V ±15% Max. 2 A
Min. Input: 10.8 V
Max. Input: 16.0 V
4 Ω
280 mV (typ.)
p-p
100 kΩ
High Impedance
High Impedance
High Impedance
High Impedance
High Impedance
High Impedance
5 V, Max 100 mA
Max 3 A
Max 3 A
Ground
Specification
4 Ω
Ground
Specification
13.6 V ±15%
Ground
Specification
High Impedance
13.6 V ±15%
Ground
High Impedance
Ground
600 Ω
High Impedance
High Impedance