Connector Information - Icom IC-M803 Instruction Manual

9
CONNECTIONS AND INSTALLATION
I Connector information
ACC Pin Pin name
1
2
3
4
7 6
8
3 1
4
5
5
2
6
7
8
*
MICROPHONE Pin Pin name
1
2
3
q u
w
i y
4
e
t
r
5
6
7
8
TUNER Pin Pin name
1
2
4 3 2 1
3
4
DC 13.6 V Pin Pin name
1–3
1 2 3
4 5 6
4–6
78
Description
CW and FSK keying input�
CWK
Ground line for AF signal�
AF GND
Input/Output pin�
SEND
Ground this pin to transmit�
Modulator input�
Usable when pin 3 is grounded�
MOD
AF detector output�
AF
Fixed, regardless of [VOL] position�
No connection�
NC
13�6 V output when power is ON�
13�6 V
ALC voltage input�
ALC
DC GND Common ground�
Description
Audio input from the microphone
MIC+
element�
No connection�
NC
AF output controlled with [VOL]�
AF1
Connected to pin 4 in the microphone�
AF input�
AF2
Connected to pin 3 in the microphone�
PTT switch input�
PTT
Connected to the ground�
GND
Coaxial ground for MIC+�
MIC–
Coaxial ground for AF1 and AF2�
AF–
Description
Key signal input�
KEY
Start/Through signal output�
START
13�6 V output�
13�6 V
Negative ground�
E
Description
+ +
DC input �
_ _
DC input �
Specification
Input level: –0�5 to 0�8 V
–
Ground level: –0�5 to 0�8 V
Input current: Less than 20 mA
nput impe ance
Input level: Approximately
100mV rms
utput impe ance
Output level: 100–300 mV rms
–
Output current: Maximum 1 A
Control voltage: –3 to 0 V
nput impe ance
–
Specification
Input impedance:
–
–
–
When grounded, transmits�
–
–
–
Specification
–0�5 to 0�8 V during tuning�
Pulled up 8 V, 0 V (100 msec) as a start
signal�
Maximum current: 2 A
Ground terminal for above signals�
Specification
Maximum power consumption:
30 A typical�
–
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