Kenwood NEXEDGE NX-800 series, Service Manual

Page: 69 / 110

TERMINAL FUNCTION
NX-800
69
D-sub 25-pin connector specification
Pin No. Pin Name I/O A/D
Rating and Condition
Parameter Min Typ Max Unit
1 NC - - -
Input Voltage Range -30 30 V
Threshold Low 0.5 1.3 V
2 RXD1 I Digital Threshold High 1.75 2.6 V
Baud Rate 115200 bps
CL 100 pF
Voltage Swing (3k
Ω
Load)
±
5
±
9 V
3 TXD1 O Digital Baud Rate 115200 bps
CL 100 pF
VIH 4 - 5.2 V
4 AUXIO9 I/O Digital
VIL -0.5 - 1 V
VOH (Io=-1.5mA) 4 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
5 DI I Analog
Input Voltage range (STD Deviation) - 0.5 - Vp-p
Freq Response (STD Dev.) 20-9600Hz -3 3 dB
Audio Level (STD Deviation) - 5 - mVrms
6 MI2 I Analog Allowable Freq 300 3000 Hz
Input Impedance - 600 -
Ω
7 GND - GND
VIH 4 - 5.2 V
8 AUXIO8 I/O Digital
VIL -0.5 - 1 V
VOH (Io=-1.5mA) 4 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
VOH (Io=-1.5mA) 3.7 - 5.2 V
9 TXD2 O Digital VOL (Io=1.5mA) - - 1.1 V
CL 100 pF
VIH 2.8 - 5.2 V
10 RXD2 I Digital VIL - - 0.65 V
CL 100 pF
11 GND - GND
VIH 4 - 5.2 V
12 AUXIO7/ I/O Digital VIL -0.5 - 1 V
BER_DATA VOH (Io=-1.5mA) 3.7 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
VIH 4 - 5.2 V
13 AUXIO6/ I/O Digital VIL -0.5 - 1 V
BER_CLK VOH (Io=-1.5mA) 3.7 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
14 SB - Power
Voltage This parameter depends on Battery Voltage
Supply Current - - 2 A
The type of this port is open collector.
15 AUXO2 O Digital VOL 0.4 V
IOL -500 mA