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DATA COMMUNICATION
2001 NEW
■
Connections
■
When connecting to [DATA]
• When using a PC application
• When using a TNC
q
DATA IN
w
GND
r
DATA OUT (9600 bps)
y
P SQL*
t
AF OUT (1200 bps)
e
PTT P
TX AUDIO
GND
RX AUDIO
SQL
PTT
q
DATA IN
w
GND
r
DATA OUT (9600 bps)
y
P SQL*
t
AF OUT (1200 bps)
e
PTT P
TX AUDIO
GND
TNC
PC
RS-232C
RX AUDIO
SQL
PTT
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of the
application for details.
*When connecting the squelch line, consult the necessary manual (TNC, etc.)
PC
RS-232C
TNC or scan converter
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of the
application for details.
■
When connecting to [ACC(1)]
• When using a PC application
• When using a TNC
1
2
3
4
5
6
7
8
Rear panel view
RTTY
GND
AF
SEND
RTTY
GND
AF
SEND
RTTY OUTPUT
GND
AUDIO INPUT
PTT
RTTY OUTPUT
GND
AUDIO INPUT
PTT
1
2
3
4
5
6
7
8
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of the
application for details.
■
When connecting to [MIC]
• When using a PC application
• When using a TNC
PC
RS-232C
TNC or scan converter
MIC INPUT
AF OUTPUT
MIC GND
GND
PTT*
PTT*
MIC INPUT
AF OUTPUT
MIC GND
GND
PTT*
AUDIO OUTPUT
AF INPUT
GND
SQL
AFSK OUTPUT
AF INPUT
GND
PTT*
SQL INPUT
*When using the VOX function, no need to connect. Refer to the instruction
manual of the external equipment (TNC, etc.).
When connecting the squelch line, consult the necessary manual (TNC, etc.).
IC-7400.qxd 02.4.2 11:35 Page 77