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The provided PC connection cable “SCU-20” and other optional cables can be used to
connect the radio to a personal computer as a COM port for the following operations.
• Transmitting your own station position information to the personal computer for
incorporation into the map software
• Updating the firmware of the radio
• Packet communication
Use the [DATA] jack at the back of the main body to connect with the personal computer.
The pin assignment of the [DATA] jack is as follows.
[DATA]
jack
PKD (packet data input) (300 mVp-p)
GND
PSK (PTT)
RX 9600 (9600 bps packet data output)
RX 1200 (1200 bps packet data output) (300 mVp-p)
PK SQL (squelch control)
CTS (data communication control)
RTS (data communication control)
• Personal computer
• PC connection cable “SCU-20” (accessories)… when connecting to the USB terminal
of a personal computer
To the transceiver
To the personal computer
(USB terminal)
PKD (packet data input)
GND
PSK (PTT)
RX 9600 (9600 bps packet data output)
RX 1200 (1200 bps packet data output)
PK SQL (squelch control)
CTS (data communication control)
RTS (data communication control)
