6
CONNECTIONS AND INSTALLATION
16
■
Connector information
ACC(1)
PIN PIN NAME
DESCRIPTION
SPECIFICATIONS
1
CWK
CW and FSK keying input.
Input level: Less than 0.6 V for transmit.
2
GND
Connects to ground.
Connected in parallel with ACC(2) pin 2.
3
SEND
Input/output pin.
Goes to ground when transmitting.
When grounded, transmits.
Ground level: –0.5 to 0.8 V
Input current: Less than 20 mA
Connected in parallel with ACC(2) pin 3.
4
MOD
Modulator input.
Usable when pin 3 is grounded.
Input impedance: 10 k
Ω
Input level: Approx. 100 mV rms
5
AF
AF detector output.
Fixed, regardless of [AF] position.
Output impedance: 4.7 k
Ω
Output level: 100–300 mV rms
6
NC
No connection.
7
13.6 V
13.6 V output when power is on.
Output current: Max. 1 A
Connected in parallel with ACC(2) pin 7.
8
ALC
ALC voltage input.
Control voltage: –3 to 0 V
Input impedance: More than 10 k
Ω
Connected in parallel with ACC(2) pin 5.
2
8
4
5
1
3
6
7
ACC(2)
PIN PIN NAME
DESCRIPTION
SPECIFICATIONS
2
GND
Same as ACC(1) pin 2.
3
SEND
Same as ACC(1) pin 3.
1
8 V
Regulated 8 V output.
Output voltage: 8 V ±0.3 V
Output current: Less than 10 mA
4
NC
No connection.
5
ALC
Same as ACC(1) pin 8.
6
RLC
T/R relay control output.
When transmitting: 0 V (less than 0.5 A)
7
13.6 V
Same as ACC(1) pin 7.
2
4
5
1
3
6
7
MICROPHONE
PIN NAME
DESCRIPTION
SPECIFICATIONS
2
NC
No connection.
1
MIC+
Audio input from the microphone
element.
Input impedance: 600
Ω
4
AF2
AF input.
Connected to pin 3 in the microphone.
5
PTT
PTT switch input.
When grounded, transmits.
6
GND
Connected to ground.
3
AF1
AF output controlled with [VOLUME].
Connected to pin 4 in the microphone.
Output impedance: 4
Ω
7
MIC–
Coaxial ground for MIC+.
8
AF–
Coaxial ground for AF1 and AF2.
1
7
6
5
4
3
8
2
PIN
TUNER
PIN NAME
DESCRIPTION
SPECIFICATIONS
1
KEY
Key signal input.
–0.5–0.8 V during tuning
4
E
ANTC
–ve terminal
Antenna current input
For USA version
Input level: Approx. 2 Vrms (Europe version)
2
START
Start signal output.
Pulled up 8 V, 0 V(100 msec) as start signal.
3
13.6V
13.6 V output
Max. current: 2 A
1
2
3
4
PIN
