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PANEL DESCRIPTION
DACC-1 SOCKET
DACC-2 SOCKET (w/[EXCITER] is “1”)
The following descriptions are applied when the
[EXCITER] switch is set to “1” (default). When [EX-
CITER] is set to “1&2,” [ACC-2] functions the same
as [ACC-1] above for the 2nd exciter.
ACC-1 PIN NO.
PIN NAME
DESCRIPTION SPECIFICATIONS
1 8 V
Regulated reference 8 V DC input
for band control.
Input voltage : 8 V ±0.3 V
Input current : Less than 10 mA
2 GND Connects to ground.
3 SEND
Input/output pin.
Goes to ground when transmitting.
When grounded, transmits.
Ground level : –0.5 V to 0.8 V
Output current : Less than 20 mA
Input current : Less than 200 mA
4 BAND
Band voltage input.
(Varies with amateur band)
Input voltage : 0 to 8.0 V
5 ALC ALC voltage output.
Control voltage : –10 to 0 V
Output impedance : 10 kΩ
6 NC No connection.
7 13.8 V 13.8 V DC input terminal. Input current : Less than 1 A
Rear panel
view
1
2
3
4
5
6
7
ACC-2 PIN NO.
PIN NAME
DESCRIPTION SPECIFICATIONS
1 8 V
Regulated reference 8 V DC output
from the [ACC-1] socket.
Output voltage : 8 V ±0.3 V
Output current : Less than 10 mA
2 GND Connects to ground.
3 SEND
Input/output pin.
Goes to ground when transmitting.
When grounded, transmits.
Ground level : –0.5 V to 0.8 V
Output current : Less than 20 mA
Input current : Less than 200 mA
4 BAND
Band voltage output from the
[ACC-1] socket.
(Varies with amateur band)
Output voltage : 0 to 8.0 V
5 ALC ALC voltage output.
Control voltage : –10 to 0 V
Output impedance : 10 kΩ
6 NC No connection.
7 13.8 V
13.8 V DC output terminal from the
[ACC-1] socket.
Output current : Less than 1 A
Rear panel
view
1
2
3
4
5
6
7
!0 EXCITER SELECTOR [EXCITER] (pgs. 7–9)
Sets the connected exciter number.
- Select [1] when 1 exciter is connected. [ACC-2] outputs
the received [ACC-1] signal to another Icom option such
as the EX-627
AUTOMATIC ANTENNA SELECTOR.
- Select [1&2] when 2 exciters or 1 exciter with 2 speci-
fied band antenna connectors is connected.
!1 INPUT ANTENNA CONNECTORS
[INPUT1]/[INPUT2] (p. 6)
Accept a 50 Ω antenna with a PL-259 connector.