(No.RA054<Rev.001>)1-27
2.6.4 D-Sub 15-pin Connector Specification
44
SB1
O Switched power supply
45
SB1
O Switched power supply
46
SB1
O Switched power supply
47
SB1
O Switched power supply
48
NC
- No connection
49
GND
- Ground
50
GND
- Ground
51
GND
- Ground
52
GND
- Ground
53
NC
- No connection
54
SP+
I Speaker input
55
SP+
I Speaker input
56
SP+
I Speaker input
57
NC
- No connection
58
GND
- Ground
59
GND
- Ground
60
GND
- Ground
Pin No.
Name
I/O
Function
Pin
No.
Pin Name
I/O Modification
Signal
Type
Description
Rating and Condition
Parameter
Min
Typ
Max
Unit
1
SB
O No
Power
Switched B Output
Voltage
This parameter depends on Battery
Voltage
Supply Current
-
-
2.0
A
2
IGN
I No
Digital
Active High
Input Voltage Range
0
-
30
V
Threshold High
6.0
-
-
V
Threshold Low
-
5.0
-
V
3
SP2/PA
O No
Analog Speaker output
Audio Output
3
4
-
W
Coupling Capacitor
-
330
-
uF
RL
3.0
-
-
ohm
Allowable Frequency 300.0
-
3000
Hz
4
DETO
O Yes
Analog FM detector output
Output Level
-
0.24
-
Vp-p
Coupling Capacitor
-
10
-
uF
Allowable Load
-
600
-
ohm
Output Impedance
-
100
-
ohm
AFO
O
RX Audio output
Output Level
-
0.6
-
Vp-p
Coupling Capacitor
-
10
-
uF
Allowable Load
-
600
-
ohm
Output Impedance
-
100
-
ohm
Allowable Frequency
300
-
3000
Hz
5
DATAI
I Yes
Analog External Modulation input Input Voltage Range
-
0.5
-
Vp-p
Input Impedance
-
45
-
kohm
MI2
I
Analog External MIC AF Input
Input Voltage Range
-
5.0
-
mVrms
Allowable Frequency
300
-
3000
Hz
Input Impedance
-
600
-
ohm
Summary of Contents for NX-3720
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