D Acc Socket Information - Icom IC-718 Instruction Manual

D ACC SOCKET INFORMATION

• ACC socket
ACC PIN # NAME
1 8 V
2 GND
3 SEND
4 BDT
5 BAND
13
6 ALC
9 10 11 12
5 6 7 8
1 2 3 4
7 NC
Rear panel
view
8 13.8 V
9 TKEY
10 FSKK
11 MOD
12 AF
13 SQLS
• When connecting the ACC conversion cable (OPC-599)
13
9 10 11 12
5 6 7 8
1 2 3 4
DESCRIPTION
Regulated 8 V output.
Connects to ground.
Input/output pin.
Goes to ground when transmitting.
When grounded, transmits.
Data line for the optional AT-180.
Band voltage output.
(Varies with amateur band)
ALC voltage input.
13.8 V output when power is ON.
Key line for the AT-180.
RTTY keying input.
Modulator input.
AF detector output.
Fixed, regardless of [AF] position.
Squelch output.
Goes to ground when squelch opens.
q FSKK
2
5
4
w GND
3
1
e SEND
8
6 7
r MOD
ACC 1
q 8 V
2
5
4
w GND
3
1
e SEND
6 7
r BAND
ACC 2
SPECIFICATIONS
Output voltage : 8 V ±0.3 V
Output current : Less than 10 mA
Ground level : –0.5 V to 0.8 V
Input current : Less than 20 mA
Output voltage
Control voltage : –4 to 0 V
Input impedance : More than 10 kΩ
Output current
Ground level : –0.5 to 0.8 V
Input current : Less than 10 mA
Input impedance : 10 kΩ
Input level : Approx. 100 mV
Output impedance : 4.7 kΩ
Output level : 100 to 300 mV rms
SQL open : Less than 0.3 V/5 mA
SQL closed : More than 6.0 V/100 µA
t AF
y SQLS
u 13.8 V
i ALC
t ALC
y NC
u 13.8 V
PANEL DESCRIPTION
COLOR
brown
red
orange
yellow
: 0 to 8.0 V green
blue
purple
: Max. 1 A gray
white
black
pink
rms
light
blue
light
green
2
7