NX-720H(G)/720H
57
TERMINAL FUNCTION
8pin Modular Connector Specifi cation
Pin
No.
Pin
Name
I/O
Signal
Type
Description/port type
Item and Condition
Min
Typ
Max
Unit
Note
1
MBL
O
Digital
CMOS output
VOH
3.7
5.2
V
VOL
-
1.1
V
2
SB
O
Power
Switched B output
Output Voltage
This parameter depends on Bat-
tery voltage.
Output Current
200
mA
3
GND
O
GND
Ground
-
4
PTT
I
Digital
CMOS input
(Pull Up : 5.0V/10k
)
VIH
2.7
5.2
V
VIL
-0.3
0.5
V
TXD
O
Digital
CMOS 3-State Buffer
output
(Pull Up : 5.0V/22k
)
VOH
3.7
5.2
V
VOL
-
1.1
V
Baud rate
-
19200
bps
5
ME
-
GND
MIC Ground
MIC Groud
This is ground port for Micro-
phone.
6
MIC
I
Analog Audio input
Aoutput
5
-
mVrms
Copling Capacitor
10
-
uF
Input impednce
600
-
Allowable Frequency
300
3000
Hz
7
HOOK/
RXD
I
Digital
Digital transistor input
(Pull Up : 5.0V/4.7k
)
VIH
2.7
5.2
V
VIL
-0.3
0.9
V
Baud rate
-
115200
bps
8
DM
I
Digital
CMOS input
(Pull Up : 5.0V/47k
))
VIH
2.7
5.2
V
VIL
-0.3
0.5
V
VOH
3.7
5.2
V
O
Digital
VOL
-
1.1
V
15pin D-sub Connector Specifi cation
Pin
No.
Pin
Name
I/O
Signal
Type
Description
Item and Condition
Min
Typ
Max
Unit
Note
1
SB
-
Power
Switched B output
Voltage
This parameter
depends on Battery
voltage.
V
Supply Current
-
-
2.0
A
(with KCT-60)
-
-
0.5
A
2
IGN
I
Digital
Ignition sense input
Input Voltage
10.8
-
16
V
3
SP2
O
Analog Speaker output
Audio output
3
4
-
W
at
4
,10%Distortion
Coupling Capacitor
-
330
-
uF
RL
4
-
-
Allowable Frequency
300
-
3000
Hz
Summary of Contents for Nexedge NX-720H
Page 83: ...NX 720H G 720H 83 MEMO ...
