Icom RS-BA1 Installation Manual page 46

2
WHEN CONNECTING TO THE NETWORK THROUGH A PC
■ Conncting the radio to the Base station's PC
D When connecting to the radio's [RS-232C] port (Continued)
3. Connect an audio system
Connect an audio cable between the PC's audio port
and the radio's [S/P DIF] jack, [ACC] socket or [MIC]
connector to enables audio communication between
them.
See the radio's instruction manual for details on the
radio's connector.
• Using the [S/P DIF] jack
Radio
S/P DIF OUT (Output)  S/P DIF IN (Input)
S/P DIF IN (Input)
Radio (Rear panel)
S/P DIF
RS-232C OUT IN
S/P DIF digital
cable
PC
 S/P DIF OUT (Output)
B A EXT-SP
ACC 2 ACC 1 ACC 2 ACC 1 SUB MAIN
PC
• Using other than the [S/P DIF] jack
Radio
AF (Output) 
MOD (Input) 
• Connect to the [ACC] socket
（Rear panel view）
MOD
GND
2
AF
4 5
1 3
8
6
7
• Connect to the [MIC]
connector
（Front panel view）
Microphone
input
GND
1 7
2 6
8
3 5
4
AF output
• When using the [MIC] connector, NEVER
directly connect an audio cable between the
radio's Microphone input and PC. It can a
cause malfunction without adding the
Electrolytic capacitor, as illustrated above.
• NEVER connect a monaural plug to the PC's
LINE OUT. It can cause a malfunction.
20
PC
LINE IN/MIC IN (Input)
LINE OUT (Output)
Connect to the
PC's LINE IN or
MIC IN
GND
Not used
AF
+
Connect to the
10 µF/16 V
PC's LINE OUT
GND
Not used
MOD
PC