I Connector Information - Icom IC-M710RT Instruction Manual

Mf/hf marine transceiver
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7
CONNECTIONS AND INSTALLATION

I Connector information

ACC(1)*
2
4
5
1
3
8
6
7
*ACC(1): Marine and general versions only.
ACC(2)*/ACC* PIN PIN NAME
2
4
5
1
3
6
7
* ACC(2): Marine and general version; ACC: GMDSS version.
MICROPHONE PIN PIN NAME
1
2
7
3
8
6
5
4
TUNER
20
PIN PIN NAME
1
CWK
CW and FSK keying input.
2
GND
Connects to ground.
Input/output pin.
3
SEND
Goes to ground when transmitting.
When grounded, transmit.
Modulator input.
4
MOD
Usable when pin 3 is grounded.
AF detector output.
5
AF
Fixed, regardless of [AF] position.
6
SCAN
Starts scan when grounded.
7
13.6 V
13.6 V output when power is ON.
8
ALC
ALC voltage
1
8 V
Regulated 8 V output.
2
GND
Same as ACC(1) pin 2.
3
SEND
Same as ACC(1) pin 3.
4
NC
No connection.
5
ALC
Same as ACC(1) pin 8.
6
RLC
T/R relay control output.
7
13.6 V
Same as ACC(1) pin 7.
Audio input from the microphone
1
MIC+
element.
2
NC
No connection.
AF output controlled with [VOLUME].
3
AF1
Connected to pin 4 in the microphone.
AF input.
4
AF2
Connected to pin 3 in the microphone.
5
PTT
PTT switch input.
6
GND
Connected to ground.
7
MIC–
Coaxial ground for MIC+.
8
AF–
Coaxial ground for AF1 and AF2.
PIN PIN NAME
1
KEY
Key signal input.
2
START
Start signal output.
3
13.6V
13.6 V output.
E
Negative terminal.
4
ANTC
Antenna current input.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
SPECIFICATIONS
Input level: Less than 0.6 V for transmit.
Connected in parallel with ACC(2) pin 2.
Ground level: –0.5 to 0.8 V
Input current: Less than 20 mA
Connected in parallel with ACC(2) pin 3.
Input impedance: 10 kΩ
Input level: Approx. 100 mV rms
Output impedance: 4.7 kΩ
Output level: 100–300 mV rms
Scan operation: Less than 0.6 V
Output current: Max. 1 A
Connected in parallel with ACC(2) pin 7.
Control voltage: –3 to 0 V
Input impedance: More than 10 kΩ
Connected in parallel with ACC(2) pin 5.
SPECIFICATIONS
Output voltage: 8 V ±0.3 V
Output current: Less than 10 mA
When transmitting: 0 V (less than 0.5 A)
SPECIFICATIONS
Input impedance: 600 Ω
When grounded, transmits.
SPECIFICATIONS
–0.5 to 0.8 V during tuning.
Pulled up 8 V, 0 V (100 msec) as a start signal.
Maximum current: 2 A
USA version (See below for Europe version.)
Input level: Approx. 2 V rms

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