Kenwood NX-800 Service Manual page 69

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